A bending method for bending the arrester tabs by providing a first battery cell having a first arrester tab and a second battery cell having a second arrester tab, and bending the first arrester tab and the second arrester tab differently. The bending comprises the steps of: providing a first and a second holding device for holding a first and a second end portion respectively of the arrester tab to be bent, the holding devices being relatively movable with a computer-controlled relative moving device; holding the first arrester tab with the holding device and controlling the relative movement device to bend the first arrester tab into a first bent shape; and holding the second arrester tab with the holding device and controlling the relative movement device differently from the previous step to bend the second arrester tab into a second bent shape different from the first bent shape.
An apparatus for removing an insulating layer on a length portion of wire for forming a coil winding of an electrical machine, the apparatus comprising a wire guide for guiding through the wire in a wire moving direction, a slider arrangement having a plurality of sliders arranged around the wire and configured to displaced radially back and forth relative to the wire, wherein a cutting slider with a cutting edge for scraping the insulation and a counter bearing slider for counter-holding the wire during scraping are provided in such a way that the cutting slider and the counter bearing slider are opposite one another and can be moved towards and away from one another; and a cam disk with a recess or opening through which the wire is guided by wire guide. The cam disk being rotatable by a cam disk drive. Also a method and a computer program.
H02G 1/12 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
3.
METHOD AND APPARATUS FOR PROVIDING ELECTRODE STRINGS AND FOR PRODUCING A MONO CELL AND A BATTERY STACK
An method for providing an electrode string which has a separator web and electrode segments attached thereto at a distance from one another by: a) providing a web-shaped electrode substrate; b) picking up the web-shaped electrode substrate with a transport system having transport units individually movable along a guide track, and moving the electrode substrate in a planar manner along a cutting plane; c) cutting the web-shaped electrode substrate in the cutting plane in order to cut off electrode segments which are each arranged individually on one of the transport units; d) adjusting a distance between cut electrode segments with relative movement of the transport units in order to position the electrode segments relative to one another; e) providing a separator web; f) applying and fixing the electrode segments positioned relative to one another on the separator web.
H01M 10/04 - Construction or manufacture in general
B23K 26/38 - Removing material by boring or cutting
B23K 37/04 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes
4.
WORKPIECE CARRIER, TRANSPORT SYSTEM WITH SEVERAL SUCH WORKPIECE CARRIERS, AND USE FOR THE SEPARATION OF WORKPIECES, IN PARTICULAR IN BATTERY PRODUCTION
A workpiece carrier for taking over, transporting and transferring a workpiece formed as a segment of a material web, with a support surface formed on a carrier body for placing the workpiece on, and a suction device for sucking the workpiece onto the support surface, wherein the suction device has at least one movable suction nozzle which projects from the support surface in the rest position and, when subjected to vacuum, is configured to be moved against a force holding the suction nozzle in the rest position into a retracted position in which the suction nozzle does not project beyond the support surface.
B65H 35/06 - Delivering articles from cutting or line-perforating machinesArticle or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
5.
BATTERY CELL STACK PRODUCTION METHOD, BATTERY CELL STACK PRODUCTION APPARATUS AND COMPUTER PROGRAM
Methods and apparatuses for producing battery cell stacks in which a first and second electrode string with separator web and first and second electrodes attached thereto at a distance are combined together to form a composite string and mono-cells are separated therefrom. To form terminal cells, a second electrode is omitted in each case at some locations during the production of the second electrode string, so that a length section of the respective separator web is produced without the corresponding second electrode. A terminal cell region is then formed in the composite string, in which a first electrode is inserted between separator web length sections. This is separated when the cells are separated from the composite string to form a terminal cell. Subsequent stacking can then begin or terminate with an end cell. Also a computer program for performing the method.
A joining method for inserting a coil winding into a component of an electrical machine by: providing the component with an annular arrangement of inwardly opening slots which are bounded by inwardly projecting slot boundaries, providing the coil winding wound with a coil diameter which is equal to or smaller than an inner diameter of the annular arrangement inside the annular arrangement, the coil winding having a plurality of straight conductor sections connected by winding heads, providing radially movable support fingers axially adjacent the slot boundaries, expanding the coil winding outwards while inserting the conductor sections of the coil winding into the slots, and moving the support fingers radially along with the coil winding to guide conductor sections and/or winding heads during insertion.
To enable simple identification of a workpiece with little effort during machining of a workpiece on a processing machine, a marking method is provided which is to be carried out via the processing machine. The method includes a) providing a tool on a rotatable tool holder of the processing machine, b) relative linear movement of the tool holder and the workpiece along a line on the surface of the workpiece, and c) controlling the distance of tool holder and workpiece during the linear movement, so that a pattern of markings is produced along the line by machining with the tool to form the identification mark on the surface of the workpiece. Furthermore, a readout method, a machining method and a processing machine configured for carrying the method are provided.
G06K 1/02 - Methods or arrangements for marking the record carrier in digital fashion by punching
B23Q 15/007 - Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
B23Q 17/20 - Arrangements for indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
G06K 7/04 - Methods or arrangements for sensing record carriers by mechanical means, e.g. by pins operating electric contacts
8.
DEVICE AND METHOD FOR PRODUCING WAVE WINDING WIRES FOR A COIL WINDING
Producing wave winding wires for a coil winding of an electrical machine via flat winding. A row of shaping elements, each having a holder for a straight wire section of a wire and a bending mold for shaping a wave winding head region between the straight wire sections, are moved in a linear manner relative to one another on a linear guide mechanism and are rotated about a respective axis of rotation, in order to form a meandering wave winding wire with straight wire sections and chevron-shaped wave winding heads in between by rotating neighboring shaping elements in opposite directions with their axes of rotation converging. A change in spacing of the linear guides is converted in the rotational movement of the shaping elements. A bending of the wire ends of the wire is carried out before the meandering bending of the wave wire winding.
In order to improve the impregnation of stators (48) in series production, the invention relates to supports (28) comprising at least one rolling surface (58a, 58b) and system components of a trickling system (26) comprising a roller device. The supports (48), with clamped stators (10) or stators (10) having a cylindrical outer surface suitable as a rolling surface (58a, 58b), rest on the system components purely due to gravity. This eliminates the need for complex actuators of clamping devices to hold the stators for trickling or gelling.
The invention relates to an impregnation system (26) for impregnating stators (10) in series production, comprising a transport device (40) for transporting a row of stators (10) through regions of the impregnation system (26), wherein the transport device (40) has a circulating transport track (142) with a feed region (144) and a return region (146) as well as deflection regions (148, 150) therebetween and a conveyor belt (42) which is designed such that the stators (10) can be placed on or lifted from the conveyor belt (42) transverse to the respective stator axis and during transport through the feed or return region (148, 150) lie rotating on the conveyor belt (42), at least in some sections.
An apparatus (100) for additive manufacturing of a component facilitates an exchange of components that are subject to wear and/or of components that facilitate usage of different materials in an additive manufacturing process. For this purpose, the apparatus includes a magazine (112) that has multiple nozzles (110) and facilitates an automated exchange of one nozzle with another during a manufacturing process. By using suitable actuators, either only the nozzle (110) can thus be exchanged, or the reservoir (108) containing the liquid material having the nozzle (110) attached to it can be replaced. When changing the reservoir (108), a piston (130) received therein can be exchanged at the same time.
A printhead (1) for printing molten metal for additive manufacturing of a component includes a nozzle component (10) having a nozzle outlet opening (12), a piston (14; 14a) that ejects the molten metal through the nozzle outlet opening (12), an actuator assembly (16; 16a) having an actuator, and a biasing element. By actuating the actuator, the piston (14; 14a) is movable in an actuation direction (y) from an extended position to a retracted position, in which a first piston end (18) that faces the nozzle outlet opening (12) is farther away from the nozzle outlet opening (12) than in the extended position. The biasing element (26; 26a) biases the piston (14; 14a), at least when it is located in the retracted position, back toward the extended position.
A method for manufacturing a component in layers includes dropwise application of a liquid material using a printhead. More particularly, a layer (14) of the component to be produced is divided into an outer region (20) and a central core region (18), and the liquid material (16) is applied successively in the outer region (20) and the core region (18). One or more parameters relating to the spacing between paths to be traversed, the drop size, the spacing between successive drops, etc. is selected so that the layer (14) will have a thickness that is as uniform as possible.
A method for starting up a nozzle channel of a print head for processing liquid molten metal, the method including the following steps:
A) preparing the print head, wherein metal is melted in a crucible to form a molten metal, and a piston tip is introduced into a nozzle chamber,
B) creating an overpressure inside the crucible which encourages molten metal to enter the nozzle chamber,
C) moving the piston tip in the nozzle chamber, the piston tip being moved back and forth by an actuator at a filling frequency until molten metal is expelled from the nozzle channel,
D) moving the piston tip in the nozzle chamber, the piston tip being moved back and forth by the actuator, wherein initially the movement is performed at a starting amplitude at which molten metal is expelled from the nozzle channel out of the print head, and subsequently the amplitude of the movement is gradually reduced, and wherein the movement is performed with gradual reduction of the amplitude until molten metal is no longer being expelled from the nozzle channel out of the print head, wherein the amplitude at which molten metal is barely being expelled from the nozzle channel out of the print head is defined as the limit amplitude.
A method of stacking wave winding wires (wires) for forming a winding mat for a stator coil winding including providing a drop magazine containing a plurality of similar wires in a receiving space, wherein a receiving space contour is configured to the received wires, such that the wires are positioned at a plurality of guide devices at different receiving space boundary locations and guided through the receiving space without changing their geometry, positioning a workpiece carrier having a retaining structure for a winding mat formed of multiple stacked wires in a first transfer position below the magazine and depositing a wire from the magazine at a first position on the workpiece carrier, positioning the workpiece carrier in a second transfer position offset from the first transfer position below the magazine, and depositing a further wire from the magazine at a position offset from the first position on the workpiece carrier.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
B21F 3/08 - Coiling wire into particular forms to flat spiral
16.
POSITIONING DEVICE, STACKING DEVICE, AND STACKING METHOD FOR REPEATING COMPONENTS OF A CELL STACK FOR BATTERY CELLS OR FUEL CELLS
The invention relates to: a positioning device and a stacking device for positioning repeating components of a cell stack for battery cells or fuel cells, which repeating components are to be placed on top of one another; and a stacking method for forming a cell stack for a battery cell or fuel cell from a plurality of repeating components to be placed on top of one another. This device and this method are intended to be adapted to the properties of the repeating components, allowing both an even greater degree of damage-free alignment of the components and simplified adaptation to component changes. In order to solve this problem, according to the invention the following are provided: at least one elastic element which is designed in such a way that it decelerates a repeating component inserted into the positioning device if, when the latter is inserted into the positioning device transversely to the plane of the repeating components, one edge of the inserted repeating component strikes the at least one elastic element; and at least one positioning element which can be made to vibrate by vibration generators in such a way that the at least one edge of the inserted repeat component is aligned with the corresponding edges of the repeating components already inserted.
H01M 8/2404 - Processes or apparatus for grouping fuel cells
H01M 10/04 - Construction or manufacture in general
B65H 31/10 - Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the pile
B65H 31/38 - Apparatus for vibrating or knocking the pile during piling
17.
CUTTING METHOD AND CUTTING DEVICE FOR SEPARATING ELECTRODE PIECES FROM A WEB-SHAPED ELECTRODE SUBSTRATE
In order to improve the separation of electrode pieces for large-scale production of battery cells for electric vehicles or the like, the invention relates to a cutting method and a cutting device (10), in which, while an electrode substrate (16) is being conveyed, at least one arrester lug (20) is cut free from an arrester strip of an electrode substrate (16) by a cutting apparatus (12), wherein, when viewed in a conveying direction (68), after the arrester lug (20), a portion (26) of unneeded material of the arrester strip (24) is created, and then the electrode pieces (14) provided with the cut-free arrester lug (20) are separated by cutting through the electrode substrate (16), including active material (18) and also the portion (26) cut out in step b). This reduces the size of the portion (26) and allows it to be removed more safely from the cutting apparatus (12).
In order to significantly simplify, and in particular to be able to automate, the handling of sliding groove covers, the invention relates to a separating method to be carried out in the course of producing a stator (14), for separating sliding groove covers (12) for covering stator grooves (16) provided with conductors for forming a coil winding, comprising the steps: a) providing a quantity (18) of strip-shaped sliding groove covers (12) in such a way that the sliding groove covers (12) are aligned with one another in the longitudinal direction, or otherwise are present in a disordered manner as bulk material; b) providing a counter-part (20) that has an upward facing surface (22) with at least one upwardly open groove (24) that has a shape complementary to that of the sliding groove cover (12); c) arranging the quantity (18) of sliding groove covers (12) parallel to the at least one groove (24); d) moving the quantity (18) of sliding groove covers (12) and counter-parts (20) relatively, in the direction transverse to the longitudinal extent of the slot (24) and of the sliding groove covers (12) aligned therewith, so that the quantity (18) of sliding groove covers (12) is moved over the region of the surface (22) provided with the groove (24); and e) inserting a sliding groove cover (12) into the groove (24) in order to also align the sliding groove cover (12) in the slot (24) relative to its rotational position about its longitudinal axis.
A workpiece carrier for transporting a workpiece or a product in a conveyer system having at least one workpiece base provided for accommodating at least one workpiece, the workpiece base including a receiving surface on which a workpiece is mountable and the workpiece base further including a base surface disposed in a distance from the receiving surface. The workpiece carrier further has at least one contact element which, in the operation of the workpiece carrier, is provided to rest on a conveyer element of a conveyer system including a contact surface, the contact element being connected to the base surface of the workpiece base, a first moving direction along which the workpiece carrier is movable in a conveyer system being provided for the workpiece carrier, and a positioning plane being defined which is oriented perpendicular to the contact surface and perpendicular to the first moving direction, the positioning plane intersecting the receiving surface and being disposed in the centre of the length of the workpiece carrier along the first moving direction, and the contact element including at least two apertures which are disposed so that they are offset relative to each other in a direction perpendicular to the contact surface, and the contact element including at least two protrusions which are also disposed so that they are offset relative to each other in a direction perpendicular to the contact surface.
B65G 17/00 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriersEndless-chain conveyors in which the chains form the load-carrying surface
F16B 11/00 - Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
20.
APPARATUS AND METHOD FOR MANUFACTURING WRAPPED Z-FOLDED CELL STACKS
A method and an apparatus for manufacturing Z-folded cell stacks. First and second cell components are alternately stacked while a separator web is inserted in between in a Z-shaped or meandering manner and is subsequently wrapped one more time around the cell stack thus obtained. Wrapping is performed at least in part in parallel with a previously obtained cell stack while stacking of the next cell stack is performed. A supply of the separator web required for wrapping is provided in a separator buffer storage, is cut off and held at the trailing end, in the conveying direction, with a separating gripper and is fed with the separating gripper during wrapping.
A method and a device by which conductor ends of hairpins sticking out from stator slots are shaped to form coil windings. The ends are shaped in the radial direction using different widening tools allowing the ends to be engaged individually or in pairs so that a first part is at a first radial position, a second part is at a second radial position and a third part is at at least one intermediate position in between. Subsequently, the ends are shaped in the circumferential direction using twisting tools, wherein a twisting tool located further out has inwardly open inner receiving pockets, and a twisting tool located further in has outwardly open outer receiving pockets. At least one of the twisting tools has both inner and outer receiving pockets, one of these located at the at least one intermediate position to shape the third part of the ends.
A device and method for producing a plugged wave winding by plugging together first and second wave winding parts. A first receptacle receiving the first wave winding part includes elements for guiding first wave winding part straight wire sections. A second receptacle receives the second wave winding part and has elements for guiding second wave winding part straight wire sections. A device for bending portions of at least one of the wave winding parts is configured to displace one or more of the winding heads directed towards the other wave winding part to plug the wave winding parts together. A relative displacement device pushes and plugs the first and second wave winding parts into one another. The first and/or second guide elements are movable between a position for guiding the straight wire sections and a position for releasing the path of winding heads while plugging into one another.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
23.
DEVICE AND METHOD FOR PRODUCING WAVE WINDING WIRES FOR A COIL WINDING
The invention relates to devices (10) and methods for producing wave winding wires for a coil winding of an electric machine via flat winding, wherein a row of shaping elements (14.1, 14.2), each having a holder (16) for holding a straight wire section (100) of a wire (18) to be bent (18) and a bending mould (20) for shaping a wave winding head region between the straight wire sections (100), are moved in a linear manner relative to one another on a linear guide mechanism (12) and are rotated about a respective axis of rotation (22), in order to form a meandering wave winding wire with straight wire sections and chevron-shaped wave winding heads in between from the wire (18) held in the holders (16) by rotating neighbouring shaping elements (14.1, 14.2) in opposite directions with their axes of rotation (22) converging. In order to improve the flexibility and/or process safety, according to one aspect of the invention, a change in spacing of linear guides (26, 28, 34) of the linear guide mechanism is to be converted into the rotational movement of the shaping elements (14.1, 14.2). According to a second aspect of the invention, a bending of the wire ends (96, 98) of the wire is carried out before the meandering bending of the wave winding wire in order to, in particular, easily fix the wire (18) for bending.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
24.
METHOD AND DEVICE FOR PRODUCING Z-FOLDED CELL STACKS
The invention relates to a method and a device (24) for producing z-folded cell stacks, wherein a separator web (26) is wrapped over alternately stacked first and second cell components (24, 26) in zig-zag fashion. In order to substantially reduce process time, the wrapping is carried out by means of a wrapping element (30.1, 30.2) that is arranged on a respective gripper (56.1, 56.2) and moves along with it when the respective cell component is supplied.
H01M 10/04 - Construction or manufacture in general
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0583 - Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with ‘’Z’’-shaped electrodes or separators
Devices and methods to be used in large-scale production of battery cells or fuel cells when forming cell stacks, including a positioning device for positioning the repeating components of the cell stack. The positioning device includes at least one vibrating jaw having a vibrating jaw contact surface, and a positioning jaw which is rigid in operation and is arranged lower than an upper region of the vibrating jaw and has a positioning jaw contact surface. In one embodiment, the jaws engage each other by complementary protrusion-recess features on the contact surfaces. Alternatively or additionally, the vibrating jaw is provided to move along an arcuate path during oscillation, a tangent of the arcuate path lying on the positioning jaw contact surface.
To improve quality and reduce reject in the large-scale production of components of an electrical machine provided with coil windings, a welding method is provided for welding conductor ends organized into groups of conductor ends of a component for an electrical machine. The method includes detecting a relative position of a first conductor end and a second conductor end of a group of conductor ends, and controlling a welding energy input to the conductor ends to be welded depending on the detected relative position. A welding apparatus for performing the welding method is also provided.
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
B23K 31/12 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups relating to investigating the properties, e.g. the weldability, of materials
B23K 26/03 - Observing, e.g. monitoring, the workpiece
G01B 11/14 - Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
The invention relates to a device (100) for additively manufacturing a component, which device allows the exchange of components undergoing wear and/or components which allow the use of various materials during an additive manufacturing process. For this purpose, a magazine (112) having a plurality of nozzles (110) is provided, which magazine allows a nozzle to be automatically replaced by another during a manufacturing process. In the process, using suitable actuators, either merely the nozzle (110) can be replaced or the container (108) which contains the liquid material and to which the nozzle (110) is attached can be substituted. If the container (108) is exchanged, the piston accommodated therein can be replaced at the same time.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
The invention relates to a print head (1) for printing liquid molten metal in order to additively manufacture a component, said print head comprising: a nozzle component (10) having a nozzle outlet opening (12); a piston (14; 14a) by means of which the molten metal can be ejected through the nozzle outlet opening (12); an actuator assembly (16; 16a) having an actuator; and a pretensioning element, in particular a spring element, wherein the piston (14; 14a) can be moved in an actuation direction (y) by actuating the actuator from an extended position into a retracted position in which a first piston end (18) facing the nozzle outlet opening (12) is further away from the nozzle outlet opening (12) than in the extended position, and the pretensioning element (26; 26a) is provided in such a way that it pretensions the piston (14; 14a), which is in the retracted position, towards the extended position.
The invention relates to a method for starting up a nozzle channel of a print head for processing liquid molten metal, the method comprising the following steps: A) preparing the print head, wherein metal is melted in a crucible to form a molten metal and a piston tip is introduced into a nozzle chamber; B) creating an overpressure inside the crucible, which encourages molten metal to enter the nozzle chamber; C) moving the piston tip in the nozzle chamber, the piston tip being moved back and forth by an actuator at a filling frequency until molten metal is expelled from the nozzle channel; D) moving the piston tip in the nozzle chamber, the piston tip being moved back and forth by the actuator, wherein initially the movement is performed at a starting amplitude at which molten metal is expelled from the nozzle channel out of the print head, and subsequently the amplitude of the movement is gradually reduced, and wherein the movement is performed with gradual reduction of the amplitude until molten metal is no longer being expelled from the nozzle channel out of the print head, wherein the amplitude at which molten metal is barely being expelled from the nozzle channel out of the print head is defined as the limit amplitude. The invention also relates to a print head for processing liquid molten metals, said print head comprising a control unit which is designed to carry out the method according to the invention.
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B22F 10/31 - Calibration of process steps or apparatus settings, e.g. before or during manufacturing
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
30.
WELDING METHOD AND WELDING DEVICE FOR WELDING CONDUCTOR ENDS
A welding method for welding grouped conductor ends of a component for an electrical machine by means of a welding device. In the method, a relative position of a first conductor end and a second conductor end of grouped conductor ends and then a first size parameter of a molten pool formed during welding are detected. Subsequently, a second size parameter of the molten pool formed during welding is detected. In a further method step, a value of the molten pool is determined from the first size parameter, the second size parameter and the relative position. Finally, a welding energy input is controlled depending on the determined value of the molten pool.
A bending unit for bending a bend of a wave winding for a coil winding of an electric machine, having a first holding element for holding a first segment of a wire to be bent, a second holding element for holding a second segment of the wire to be bent and at least one bending mold for bending a transition region of the wire between the first segment and the second segment. The first and the second holding elements are in engagement with each other via at least one mechanical control cam to control a relative pivoting and a relative displacement of the first and the second holding element. Furthermore, a bending device having a plurality of such bending units, a wave winding production apparatus having a plurality of bending units which are synchronized via control cams, and a bending method and a wave winding production method are described.
B21D 7/06 - Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutmentsPliers with forming dies
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
A gripping apparatus for gripping at least one of several conductive members. The gripping apparatus is configured to grip different geometries of conductive members. The conductive member includes a first and a second conductive member end portion. The gripping apparatus includes a basic body, a first gripping device having a first gripper, wherein the first gripping device is configured to grip the first conductive member end portion or the second conductive member end portion of a predetermined conductive member via the first gripper. The gripping apparatus further has a second gripping device including a second gripper disposed to be movable relative to the basic body. The second gripping device is configured to move the second gripper relative to the first gripper such that the second gripper grips the predetermined conductive member at the second conductive member end portion or at the first conductive member end portion.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 15/06 - Embedding prefabricated windings in the machines
34.
CLAMPING SHOE, CLAMPING UNIT, IMPREGNATION DEVICE, IMPREGNATION ARRANGEMENT, PRODUCTION METHOD AND IMPREGNATION DEVICE
In order to improve selective processing of a workpiece using a working fluid in mass production in such a way as to minimise post-processing or cleaning of workpieces after processing, the invention provides a clamping shoe (100) for processing the workpiece using the working fluid while directing a barrier fluid flow onto a contact region (102), between the clamping shoe (100) and the workpiece, that is to be kept free from working fluid, wherein the clamping shoe (100) has a barrier fluid inlet (106) for introducing barrier fluid and a contact face (108) for contacting the workpiece during clamping, wherein a fluid passage region (110) of the clamping shoe (100), which is adjacent to the contact face (108) and/or one of the contact faces (108) and forms a contact face adjacent region (110) , is formed by an open-cell material (116), wherein the clamping shoe (100) is designed to direct the barrier fluid, introduced through the barrier fluid inlet (106), through the open-cell material (116) and onto the contact region (102) that is to be kept free from working fluid, wherein the average cell size of the open-cell material (116) is smaller than 0.5 mm. The clamping shoe (100) is preferably used during impregnation of stators (12).
The invention relates to a method for layered manufacture of a component by applying a liquid material in droplets by means of a printing head. According to the invention, a layer (14) of the component to be manufactured is divided into an external region (20) and a central core region (18), and the liquid material (16) is applied successively in the external region (20) and the core region (18), wherein one or more parameters relating to a distance from continuous paths, a droplet size, a distance between successive droplets, etc. are selected such that a layer thickness is obtained which is as uniform as possible.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B29C 64/232 - Driving means for motion along the axis orthogonal to the plane of a layer
B29C 64/236 - Driving means for motion in a direction within the plane of a layer
A device for manufacturing a cell stack having a plurality of cell assemblies. The device comprises several positioning units accommodating the plurality of cell assemblies. The positioning units each comprise a positioning jaw enclosing the plurality of cell assemblies disposed one above the other. The device further comprises a first moving unit moving the positioning unit. The first moving unit comprises a moving plate mounted in a movable manner and an actuator. The positioning units are disposed on the moving plate. The actuator moves the moving plate. The positioning units are arranged such that the individual cell assemblies are centered between the positioning jaws by the movement initiated by the first moving unit. Finally, the device comprises a support, which is decoupled from the movement of the first moving unit, wherein the plurality of cell assemblies and/or plies rest on the support.
In order to improve reliability when assembling layers of a fuel cell in large-scale industrial production, the invention relates to a stacking device (32) for receiving, positioning and fixing the cell components (16, 18) of a fuel cell layer assembly (14) during the manufacture thereof, said stacking device comprising: a vertically movable base plate (86) on which a lower edge component (88) of the fuel cell layer assembly (14) is to be placed; and a guide system (42) having at least one guide element (92) which extends in the direction of movement of the base plate (86) in order to laterally contact the cell components (16, 18) and is designed a) to move with the base plate (86) in the vertical direction and/or b) to be positioned laterally over the edge component (88), when said component is placed, in order to contact the further cell components (16, 18) to be placed thereon. The invention also relates to a corresponding stacking method and to devices and to methods for manufacturing the fuel cell layer assembly (14) using the stacking device (32).
A cell component de-stacking device for vertically de-stacking separated cell components, including at least one vertical de-stacker with a vertical magazine for accommodating a plurality of the cell components in a vertical arrangement and with a lifting and lowering device for lifting and lowering the cell components in the vertical magazine and for de-stacking separated cell components in the vertical direction, and a delivery device for delivering separated cell components at a filling station to the vertical de-stacker. The vertical de-stacker) is configured for filling the vertical magazine at the filling station by individually accommodating the cell components and moving them by means of the lifting and lowering device, and for being moved between the filling station and the stacking station, and for individually dispensing the cell components in the vertical direction at the stacking station by means of a downward movement.
H01M 8/2475 - Enclosures, casings or containers of fuel cell stacks
H01M 8/2404 - Processes or apparatus for grouping fuel cells
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
B65G 57/14 - Stacking of articles by adding to the top of the stack the articles being stacked by direct action of the feeding conveyor the articles being transferred from carriers moving in an endless path adjacent to the stacks
39.
WIRE-END BENDING APPARATUS AND METHOD FOR BENDING WIRE ENDS WHEN PRODUCING AN ELECTRICAL MACHINE COMPONENT PROVIDED WITH COILS
The invention relates to a wire-end bending apparatus (10) for bending wire ends when producing an electrical machine component provided with coils, by means of which apparatus wire ends protruding out of an annular housing (11) of the component are bent in a circumferential direction. A receiving device and twisting device (12a, 12b, 12c, etc.) are used to receive and twist the wire ends for the purpose of bending in the circumferential direction (U). The wire ends to be received in the various receiving devices and twisting devices (12a, 12b, 12c, etc.) are arranged so as to be radially offset from one another. Thrust bearings (16) are used to absorb axial forces acting on the receiving devices and twisting devices (12a, 12b, 12c, etc.) such that the devices are rotatable about a common axis (A) relative to one another and to the housing (11) but are kept stationary relative to one another in the axial direction. Radial bearings (15a, 15b, 15c, 15d) are distributed around the receiving devices and twisting devices (12a, 12b) and are used to absorb radial forces.
A pre-fitting nest and a method serve for forming a crown from a plurality of U-shaped electrically conductive hairpins to then be able to install the crown in a machine element of an electric machine, e.g., a stator. Here, an accommodating member has a plurality of grooves in which the legs of the hairpins are accommodated. The grooves are annularly disposed about a center and extend perpendicularly to the plane of the accommodating member. With respect to their size and geometry, they are configured such that in each case a first leg of a hairpin rotates within the groove thus to enable an unconstrained positioning of the second leg of the hairpin in another groove. One or several crowns formed from hairpins are provided for introduction into a machine element and inserted into the machine element.
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 3/48 - Fastening of windings on the stator or rotor structure in slots
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
B21D 39/03 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of sheet metal otherwise than by folding
41.
Method and apparatus for sealing a test space in a workpiece
For sealing a test space in a workpiece having at least one open end face having a flat surface with one or more indentations in the workpiece, a sealing mat having a planar basic body and one or more arcuate sealing elements can be used. The sealing mat is placed onto the surface of the open workpiece end face such that the arcuate sealing elements of the sealing mat protrude into the indentations in the workpiece to then press the basic body of the sealing mat against the surface of the open workpiece end face with a pressing force in a direction perpendicular to the flat surface and press the arcuate sealing elements into the indentations with pressing forces in several directions radial to the arcuate shape of the sealing elements.
To improve quality and reduce waste in the mass production of components (12) of an electric machine provided with coil windings, the invention creates a welding method for welding conductor ends (16, 16a, 16b) of a component (12) for an electric machine, which conductor ends are grouped into conductor end groups (18). The method comprises the steps of: a) detecting a relative position of a first conductor end (16a) and a second conductor end (16b) of a conductor end group (18); and b) controlling the welding energy introduced at the conductor ends (16, 16a, 16b) to be welded depending on the detected relative position. A welding apparatus (14) for carrying out the welding method is also proposed.
B23K 31/12 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups relating to investigating the properties, e.g. the weldability, of materials
43.
Mounting device, system comprising a mounting device and a rotor, and method
A mounting device for inserting magnets into magnet accommodating portions of a rotor of an electric machine. The mounting device comprises an aligning device configured to accommodate and align the magnets by means of at least one channel. In this case, a shape of the at least one channel is adapted to a shape of the magnets. The channel comprises a channel inlet, which is disposed at an end face of the aligning device and via which the magnets can be fed to the channel, and a channel outlet, which is disposed opposite the channel inlet and is disposed at an end face of the aligning device opposite the end face and via which the magnets can be discharged from the channel. Furthermore, the at least one channel is twisted.
B23P 19/00 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
To simplify a commissioning and parameter change in a 3D bending process of wires, a 3D bending device and a 3D bending method for bending a wire are provided. The wire is held by a first leg and a second leg and the legs are moved, via a first to third relative movement device, in a first to third relative movement with a first to third movement axis in order to change, in an adjustable manner independently of one another, torsion angles of the first and second legs and a distance between the central axes of the legs.
A device and a method for welding together conductor ends disposed on a component of an electric machine in a conductor end assembly. To be able to also process larger conductor end assemblies in a safe process, more rapidly and with considerably lower costs, the device includes an illuminating device for illuminating the conductor end assembly, an optical recognition device for recognizing the position of the illuminated conductor ends, a laser device capable of directing, depending on the recognized position, a laser beam onto each group of conductor ends, which is to be welded together, of the entire conductor end assembly, and a mount, by means of which the component is held stationary relative to the laser device during the welding process.
Machine tools, in particular computer numerical controlled machine tools, namely, metal working machining centers and precision machine tools for working metals and other materials and for machining work pieces with high precision tools; machine tools, namely milling machines
48.
IMPREGNATING APPARATUS, IMPREGNATING ARRANGEMENT AND IMPREGNATING METHOD WITH BARRIER GAS FLOW
In order to impregnate components (10) of an electric machine in large-quantity series production without having to carry out laborious rework, the invention provides an impregnating apparatus (24), comprising: a resin application device (26) for applying a resin to a first region (54) of a component (10) rotating in the impregnating apparatus (24); and a barrier gas flow-generating device (32) for directing a barrier gas flow (34) onto at least one second region (56), which adjoins the first region (54), of the component (10) in order to prevent the resin from flowing from the first region (54) to the, or over the, second region (56).
A winding mat formed as a flat winding and to coil mat formed from it for producing a coil winding for an electric machine. To be able to manufacture different coil mats also with layer swap and conductor swap in an automated manner and in large series and with a high degree of reliability, it is proposed to join wave winding wires by plugging. To produce the coil mat, it is proposed, among other things, to join two individual mats by plugging the mats together.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
50.
Method for manufacturing a coil mat from wave winding wires by plugging
A method and device for manufacturing winding mats for manufacturing a coil winding of an electric machine. The winding mat is composed of wave winding wires bent as a flat winding in one plane. To be able to manufacture different coil mats with improved electrical characteristics easily and reliably in large series, it is proposed not to interlace or twist the wave winding wires, but to plug them at least partially. In addition, a method and a device for manufacturing a coil mat from several winding mats designed as individual mats are proposed. The device preferably comprises an offsetting device for introducing height offsets into winding heads of the wave winding wires.
H01F 7/06 - ElectromagnetsActuators including electromagnets
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
51.
Method and device for winding a wave winding mat and wave winding mat that can be produced by means of the same
In order to facilitate the production of coil windings in components of electrical machines a method and a device are provided for winding a wave winding mat for forming a coil winding of an electrical machine, wherein one or more wires are wound with a predefined wire spacing between wire sections, wherein the wire spacing is set differently for different regions of the wave winding mat.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
52.
Device and method for shaping wire ends in a circumferential direction
To automate a sub-process during the production of a component, which is to be equipped with coils, of an electric machine, a wire end shaping device is used, which is equipped with coils, of an electric machine, for shaping wire ends which protrude from an annular housing of the component, comprising a bending device for bending wire ends in a circumferential direction, a relative movement device for moving the housing and the bending device in a relative manner in an axial direction, and a controller. The receiving and rotating units, which receive the wire ends, of the bending device are held to be axially static relative to one another, wherein differences in length compensation and/or in a turning angle of the wire ends are handled by means of different movement profiles of the rotational movements of the receiving and rotating units.
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
54.
GRIPPING APPARATUS AND GRIPPING METHOD FOR HAIRPINS
The invention relates to a gripping apparatus (20) for gripping at least one line element of a plurality of line elements, wherein the gripping apparatus (20) is designed to grip different geometries of line elements, wherein the line element comprises a first line element end section (16) and a second line element end section (17). The gripping apparatus (20) comprises a main body (21) and a first gripping device (25) which has a first gripper (27), wherein the first gripping device (25) is designed to grip the first line element end section (16) or the second line element end section (17) of a predetermined line element by means of the first gripper (27). The gripping apparatus further has a second gripping device (26) which comprises a second gripper (28) which is arranged such that it can move relative to the main body (21), wherein the second gripping device (26) is designed to move the second gripper (28) relative to the first gripper (27) in such a way that the second gripper (28) grips the predetermined line element at the second line element end section (17) or at the first line element end section (16).
The invention relates to a device (10) for producing a cell stack having a plurality of cell groups (55). The device (10) comprises multiple positioning units (14) which receive the plurality of cell groups (55), the positioning units (14) each comprising a positioning jaw (16), which hold the plurality of cell groups (55) arranged one on top of the other. The device (10) also has a first movement unit which moves the positioning units (14), the first movement unit comprising a movement plate (18), which is mounted movably, and an actuator (37), the positioning units (14) being arranged on the movement plate (18), and the actuator (37) moving the movement plate (18). The positioning units (14) are arranged such that the individual cell groups (55) are centred between the positioning jaws (16) by the movement initiated by the first movement unit. The device (10) finally comprises a support (34) which is decoupled from the movement of the first movement unit, the plurality of cell groups (55) and/or layers lying on the support (34).
To reduce the time for producing slot insulators, a method for producing slot insulators for winding slots of a component of an electrical machine, includes supplying a strip of insulating material, cutting off an insulator strip portion from the strip, molding the insulator strip portion for adjustment to the mold of the winding slot, and inserting the molded insulator strip portion into the winding slot, wherein at least the molding and inserting steps are carried out in parallel for at least two insulator strip portions to be inserted into different winding slots. Moreover, a device for carrying out the method is described.
H02K 15/10 - Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes
H02K 15/08 - Forming windings by laying conductors into or around core parts
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 1/04 - Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
H02K 3/30 - Windings characterised by the insulating material
Peripheral devices and peripheral installations for machine tools, in particular for the storage and interim storage of workpieces, the automatic loading and releasing of workpieces and the automatic transport of workpieces in the working environment of machine tools; Automation devices for machine tools; Loading devices for machine tools; Peripheral devices and peripheral installations for machine tools, namely workpiece handling devices, workpiece pallet handling devices, workpiece storage, workpiece pallet storage; Robot cells for machine tools, in particular consisting of elements for storing, gripping, clamping, controlling and transporting workpieces.
Peripheral devices and peripheral installations for machine tools, in particular for the storage and interim storage of workpieces, the automatic loading and releasing of workpieces and the automatic transport of workpieces in the working environment of machine tools; Automation devices for machine tools; Loading devices for machine tools; Peripheral devices and peripheral installations for machine tools, namely workpiece handling devices, workpiece pallet handling devices, workpiece storage, workpiece pallet storage; Robot cells for machine tools, in particular consisting of elements for storing, gripping, clamping, controlling and transporting workpieces.
Peripheral devices and peripheral installations for machine tools, in particular for the storage and interim storage of workpieces, the automatic loading and releasing of workpieces and the automatic transport of workpieces in the working environment of machine tools; Automation devices for machine tools; Loading devices for machine tools; Peripheral devices and peripheral installations for machine tools, namely workpiece handling devices, workpiece pallet handling devices, workpiece storage, workpiece pallet storage; Robot cells for machine tools, in particular consisting of elements for storing, gripping, clamping, controlling and transporting workpieces.
61.
APPARATUS AND METHOD FOR PROVIDING ELECTRODE STRINGS AND FOR PRODUCING ELECTRODE ARRANGEMENTS
The invention relates to apparatuses (24.1, 24.2, 10) and methods for use in the mass production of cell composites (36) for batteries comprising electrodes (14.1, 14.2) and separator layers (20). In order to improve process reliability and speed, it is proposed, when providing electrode strings (26.1, 26.2) consisting of a separator web (28.1, 28.2) and electrodes fixed thereon, to separate the electrodes (14.1, 14.2) from a web-type electrode substrate (40) on a moving support (48) of a conveyor device (46) such that at least two edges (122.2, 123) of the electrodes (14.1, 14.2) are cut in a cutting process and/or that support segments (86) of the support (48) which can be moved relative to one another are brought closer together for cutting and are spaced apart more from one another for fixing the now-separated electrodes (30.1, 30.2).
H01M 10/04 - Construction or manufacture in general
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
In order to enable a coil winding (18) to be inserted into a component in a wire-protecting manner, the invention relates to a method and a device for multi-layer insertion of a coil mat (10) into a component (16) of an electrical machine. A coil mat (10) having longitudinal portions (60-1, 60-2) comprising various wire spacings is rolled onto a joining tool (14) having gripping elements (68), the position of which is adjustable, wherein the groove spacing of joining tool grooves (58) is varied between the rolling of two longitudinal portions (60-1; 60-2). The joining tool (14) is then inserted into the component (16) in order to transfer wire portions (36, 36-1, 36-2, 36-3) of the coil mat (10) from the joining tool grooves (58) into receiving grooves (24) in the component.
The invention relates to methods and devices for bending wire sections of a wave winding mat (30a) and for manufacturing the wave winding mat (30a). The wave winding mat (30a) is designed to form a coil winding (20) of a component (12) of an electrical machine. The bending sections of a first wire (24a) of a wire group (40) consisting of a plurality of wires (24a-24f) are shaped into a meandering shape (42), the bending section simultaneously crossing the remaining wires (24b-24f) of the wire group (40). A woven, flat-wound wave winding mat (30a) is produced that has advantages in respect of a lower height extension of winding heads (36) and in respect of greater freedom in terms of achievable winding schemes.
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
64.
Method for introducing insulating film and at least one electrical conductor
A method for inserting electrical conductors in slots of a component, wherein, in sections, an insulating film has two legs which are connected by a V-shaped or folded tip region. The legs lie against the slot edges such that damage to the electrical conductors by edges of the slot during the insertion thereof into the slots is avoided. The invention further relates to an associated device, to an associated cutting tool, and to an associated use.
H02K 15/10 - Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
65.
Pre-fitting nest for forming a crown from a plurality of u-shaped electrically conductive hairpins
A pre-fitting nest and a method serve for forming a crown from a plurality of U-shaped electrically conductive hairpins to then be able to install the crown in a machine element of an electric machine, e.g., a stator. Here, an accommodating member has a plurality of grooves in which the legs of the hairpins are accommodated. The grooves are annularly disposed about a center and extend perpendicularly to the plane of the accommodating member. With respect to their size and geometry, they are configured such that in each case a first leg of a hairpin rotates within the groove thus to enable an unconstrained positioning of the second leg of the hairpin in another groove. One or several crowns formed from hairpins are provided for introduction into a machine element and inserted into the machine element.
B23P 19/00 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes
H02K 15/06 - Embedding prefabricated windings in the machines
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 3/48 - Fastening of windings on the stator or rotor structure in slots
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
B21D 39/03 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of sheet metal otherwise than by folding
66.
Method and a device for inserting windings into a stator or rotor with gripping members
A device for inserting electrical conductors into a machine element of an electric machine comprises a collection receptacle for providing an assembly of one or several crowns formed from electrically conductive hairpins, and an inserting device for removing the crown assembly from the collection receptacle and for introducing the crown assembly into the machine element. An associated method comprises the steps of: providing, in a collection receptacle, an assembly of one or several crowns of hairpins; removing the crown assembly from the collection receptacle; and introducing the crown assembly into the machine element which, in particular, is a stator or rotor of an electric motor.
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 3/48 - Fastening of windings on the stator or rotor structure in slots
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
B21D 39/03 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of sheet metal otherwise than by folding
To enhance process reliability when processing wire ends during the course of a production of a machine element of an electric machine, a positioning and clamping device configured to position and clamp one or several wire ends for further processing during the course of the production of the machine element of the electric machine, comprises a capturing device for capturing and positioning the at least one wire end, wherein the capturing device has at least one oblique guide for the relative positioning of the at least one wire end. Furthermore, a corresponding clamping and positioning method is described.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Machine tools for machining, cutting, coating, and forming, and manufacturing through additive manufacturing and 3D printing of metal work pieces, namely, drilling machines, milling machines, cutting machines, lathe turning machines, lathes and turret lathes, 3D printing machines and parts for the aforesaid goods, namely, chucks for clamping work pieces at machine tools being parts of machines, cutting and milling guide frameworks for machine tools, handles being parts of machine tools, pallet changing devices for machine tools, namely, material handling machines in the nature of automatic pallet dispensing machines and automatic work piece dispensing machines, de-palletizers, work piece locators being parts of machines, namely, work piece slide tables being parts of machine tools, namely, sliding tables specially adapted for use as machine tool parts, pneumatic process control instruments, namely, pneumatic controls for machine tools, pneumatic controls for machine tools, modular couplings for machine tools, namely, modular coupling for machines; special-purpose machine tools, namely, machine tools specially adapted for the drilling, turning, and milling of specific metal work pieces, metal cutting machine tools, milling and grinding machine tools for the treatment of metals and plastics, numerically controlled machining stations consisting primarily of numerically controlled metal working machines with automatic tool changers for boring, milling and cutting operations and incorporating a palletizing material handling system, numerically controlled lathes, numerically positioned universal milling machines, threading machines with numerical positioning, and metal production installations consisting of interlinked machine tools, namely, cutting machines, lathes, milling and boring machines; turntable machines, namely, machine tools for machining work pieces which have round tables which can be turned for holding and turning the work pieces; material handling machines, namely, transfer line tools in the nature of power and manually operated mechanical railed lifting conveyors for use in moving machined work pieces from line to another; metal working machines, namely, machining centers; precision machine tools for working metals and other materials and for machining work pieces with high precision tools, namely, hard metal tools, high speed steel tools, carbide tools, ceramic tools, polycrystalline diamond tools, and diamond-coated and diamond-uncoated tools, all for use in the cutting and forming of materials; assembly machines, namely, assembly line conveyor machines and machines used in assembly systems for handling and assembling work pieces, assembly systems, namely, assembly lines comprised of conveyor machines and a series of manually operated and fully automated material handling machines for handling and assembling work pieces and gantry robots, the aforesaid goods to be used in the manufacture of machines, motors and engines, gear boxes, and other assemblies and parts therefor for use in manufacture, particularly in the automotive industry; flexible manufacturing systems consisting of metal machining centers and automatic machines for handling and transporting work pieces, namely, industrial robots; spindles being parts of machines; motor spindles, namely, high frequency motor spindles with high frequency electric converters and power supply units; work piece carriers and work piece pallets, namely, palletizers and case elevators being parts of material handling machines for conveying work pieces; linear drives for motors; tool exchange systems comprised of machines for handling machine tools, namely, industrial robots, and for cleaning tools, namely, particle blast cleaning machines; hydraulic controls for machine tools
(2) Electric and electronic controls for machine tools, assembly line machines, and special purpose machine tools, all for controlling machining, cutting, drilling, coating, forming, assembly, and additive manufacturing of work pieces; electric and electronic controls and supervision apparatus for assembly machines, machining centers, assembly lines, and machine tools, namely, electric and electronic controls for controlling spindle positions, work piece position, temperature, position, level, operation state, temperature, manufacturing processes, assembly processes, and installation processes; electric and electronic controls for machine tools, assembly line machines, and special purpose machine tools, namely, PLC-controllers, electric switches, and thermostats; computer programs for automation and interconnection of machines and assembly lines, for remote control and surveying of machines and assembly lines, for monitoring machines and assembly lines, for interconnecting and digitizing of production processes, for communication between machines or assembly lines and external devices, for surveying, monitoring, and showing the status of machines or assembly lines, for connecting machines with enterprise resource planning (ERP) systems, for diagnosing the status of machine tools and assembly lines, for servicing and maintaining machine tools and assembly lines, for use in planning the need for spare parts and ordering spare parts, for programming machine tools and assembly lines, for simulating machine tools and assembly line, for providing training in the field of machine tools and assembly lines, for providing and retrieving data relating to machine tools and assembly lines, and for monitoring and optimizing the performance of machine tools and assembly lines (1) Electrical engineering, mechanical engineering; Rental of web servers; hosting of off-site web sites; leasing and rental of computers, computer systems, computer programs and computer software; development and design of computer programs and software; implementation, maintenance and rental of computer programs and computer software; updating and maintenance of computer programs and software; technical consultancy with regard to the creating and development of computer programs and software; software as a service (SaaS) services featuring software for simulating machine tools and assembly lines and providing training in the field of machine tools and assembly lines and for monitoring and optimizing the performance of machine tools and assembly lines
75.
Control device and control method for controlling a machine tool
A control device for controlling a machine tool, wherein the machine tool and the control device are configured such that a tool and/or workpiece disposed on the machine tool can be moved with at least one first speed and at least one second speed. When switching from a movement with the first speed to a movement with the second speed, the tool or the workpiece is at first stopped prior to the execution of the movement with the second speed, if the second speed is greater than the first speed by at least a predetermined factor. The control device has an input device for triggering the movement with the second speed, and the subsequent execution of the movement with the second speed is triggered by an operator input on the input device. A corresponding control method for controlling a machine tool is also described.
B23Q 15/22 - Control or regulation of position of tool or workpiece
B23Q 15/013 - Control or regulation of feed movement
G05B 19/19 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
G05B 19/409 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panelNumerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control panel details or by setting parameters
76.
DEVICE AND METHOD FOR POSITIONING AND CLAMPING INTERCONNECTION ELEMENT CONNECTING CONDUCTORS
In order to facilitate an industrial manufacturing of components of an electric machine, the invention relates to an interconnection element position and clamping device (10) for positioning and clamping interconnection element connecting conductors to machine element connecting conductors for the purpose of joining and connecting an interconnection element to a machine element of an electric machine, comprising: a machine element positioning and securing device (12) for positioning the interconnection element positioning and clamping device (16) relative to the machine element and securing the interconnection element positioning and clamping device (16) to the machine element; an interconnection element retaining device (14) for retaining the interconnection element on the interconnection element positioning and clamping device (10); and a conductor end positioning and clamping device (16) for positioning and clamping together interconnection element connecting conductors and machine element connecting conductors.
The invention relates to a winding mat in the form of a flat winding and a coil mat formed therefrom for producing a coil winding for an electric machine. In order to be able to automatically mass produce different coil mats also with layer change and conductor change with high reliability, the invention proposes to assemble wave winding wires by insertion to form a winding mat. In order to produce the coil mat, the invention proposes inter alia to assemble two individual mats by insertion.
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 3/28 - Layout of windings or of connections between windings
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
78.
METHOD AND DEVICE FOR PRODUCING A WINDING MAT AND A COIL MAT FROM WAVE WINDING WIRES BY INSERTION
The invention relates to a method and a device for producing winding mats for producing a coil winding of an electric machine. The winding mat is assembled from wave winding wires bent in a plane in the form of a flat winding. In order to be able to easily and reliably mass produce different winding mats with improved electrical properties, the invention proposes not to interweave or entwine the wave winding wires but to at least partially insert them. In addition, a method and a device for producing a coil mat formed from multiple winding mats in the form of individual mats are proposed. The device preferably has a bending mechanism for introducing height offsets into winding heads of the wave winding wires.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 3/28 - Layout of windings or of connections between windings
79.
DEVICE AND METHOD FOR SHAPING WIRE ENDS IN A CIRCUMFERENTIAL DIRECTION
For the automation of a partial process during the production of a component of an electric machine to be provided with coils, the invention relates to a wire-end-shaping device (14, 38) for use in the production of a component of an electric machine provided with coils, for shaping wire ends (34, 34a-34d) protruding out of an annular housing (18) of the component, comprising a bending device (54) for bending wire ends (34, 34a-34d) in a circumferential direction, a relative movement device (58) for the relative movement of the housing (18) and the bending device (54) in an axial direction, and a control unit (62, 70). In addition, receiving and rotating units (162a-162f) of the bending device (54) accommodating the wire ends (34a-34d) are kept axially stationary relative to one another, wherein differences in a length compensation and/or in a bend angle of the wire ends (34a-34d) are handled via different movement profiles of the rotational movements of the receiving and rotating units (162a-162f). The invention also relates to a component production device (10) and a wire-end-shaping method.
In order to increase the ease of maintenance, the invention relates to a bending device (54) for bending wire ends (34, 34a-34d) protruding out of an annular housing (18), comprising a first receiving and rotating device (160a) having a first receiving and rotating unit (162a) and a first drive element (166a), wherein the first receiving and rotating unit (162a) is connected to the first drive element (166a) via a first detachable connection (188a); and a second receiving and rotating device (160b) having a second receiving and rotating unit (162b) and a second rotatably driven drive element (166b) extending in the circumferential direction, wherein the second receiving and rotating unit (162b) is connected to the second drive element (166b) via a second detachable connection (188b); the receiving and rotating units (162a, 162b) can be rotated relative to one another about a common axis of rotation, and, in a relative assembly and disassembly position of the first and second receiving and rotating devices (160a, 160b), connection elements (196b) of the second receiving and rotating device (160b) are accessible via through-openings (198a) in the first receiving and rotating device (160a) for assembly and disassembly purposes. The invention also relates to a corresponding assembly and disassembly method.
In order to reduce the time required for producing slot insulations, the invention provides a method for producing slot insulations (138) for winding slots (14) of a component (16) of an electrical machine, comprising a) providing a strip (10) of insulating material, c) cutting an insulating strip piece (12) from the strip (10), d) shaping the insulating strip piece (10) to match the shape (54-57) of the winding slot (14) and e) inserting the shaped insulating strip piece (12) into the winding slot (14), wherein at least steps d) and e) are carried out in parallel for at least two insulating strip pieces (12) which are to be inserted into different winding slots (14). The invention further describes an apparatus (20) for carrying out the method.
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 15/10 - Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes
82.
UNIT, DEVICE, APPARATUS AND METHOD FOR BENDING AND PRODUCING WAVE WINDINGS FOR COIL WINDINGS OF ELECTRIC MACHINES
In order to create an improved possibility for bending and synchronizing bending processes, the invention relates to a bending unit (10) for bending a curve of a wave winding for a coil winding of an electric machine, having a first holding element (12) for holding a first segment (14) of a wire (16) to be bent, a second holding element (18) for holding a second segment (20) of the wire (16) to be bent and at least one bending form (22, 24) for bending a transition region (26) of the wire (16) between the first segment (14) and the second segment (20), wherein the first and the second holding elements (12, 18) engage with each other via at least one mechanical control cam (30, 32) in order to control a relative pivoting and a relative shift of the first and of the second holding elements (12, 18). The invention furthermore relates to a bending device (66) having a plurality of such bending units (10), a wave winding production apparatus (64) having a plurality of bending units (10) synchronized via control cams, a bending method and a wave winding production method.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
A method and to a device for inserting a plurality of wires into a plurality of grooves of a component, such as a stator or rotor of an electric motor, in which the wires are inserted by gripping elements.
H02K 15/06 - Embedding prefabricated windings in the machines
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
84.
METHOD AND DEVICE FOR DETERMINING THE POSITION OF A PISTON OF A HYDRAULIC CYLINDER OF A MACHINE TOOL
The invention relates to a method and to a device (28) for determining the position of a piston (30) of a hydraulic cylinder (26) of a machine tool (10). In order to enable more accurate position detection, in particular in order to monitor the function of the hydraulic cylinder (26) during operation of the machine tool (10), the method comprises: a) producing a reference signal by sending an acoustic signal through a cylinder wall (32) of the hydraulic cylinder (26) to the piston (30), which is in a reference position, and capturing an echo signal as the reference signal; b) sending the acoustic signal through the cylinder wall (32) to the piston (30) in order to determine the position of the piston and capturing the echo signal as a measurement signal; c) producing a comparison signal from the measurement signal and the reference signal; and d) determining the propagation time from the comparison signal in order to determine the position of the piston (30) from the propagation time. The device (28) is designed accordingly for carrying out the method. The invention further relates to a hydraulic cylinder unit (24) having the device and to a machine tool (10) having said hydraulic cylinder unit.
A method and a device for the positionally accurate fitting of a wire guide on a burner head for a coating installation for thermal coating are provided, making the setting of the position of the wire guide easier and reproducible and minimizing the amount of work involved. In particular, positions of the respective components are calculated by image processing of an image that shows the wire guide and part of the burner head and are displayed for a fitter in real time on a display unit.
B05B 7/22 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed electrically, e.g. by arc
The invention relates to a control method for controlling a machine tool, in which a program sequence is started by an operator, the program sequence is stopped by a control device of the machine tool and the program sequence is continued in a that potentiometer of the control device of the machine tool, which is used for speed control, is firstly moved into the zero position thereof by the operator and then into a position different from zero. The invention further relates to a control device for controlling a machine tool.
B23Q 15/22 - Control or regulation of position of tool or workpiece
G05B 19/409 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panelNumerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control panel details or by setting parameters
G05B 19/416 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control of velocity, acceleration or deceleration
G05B 19/425 - Teaching successive positions by numerical control, i.e. commands being entered to control the positioning servo of the tool head or end effector
The invention relates to a method for the production of a component, of an electric machine, such as, for example, a stator, comprising a wire mat which is made of wire, preferably flat wire, comprising the following steps: aligning the wire, twisting the wire in at least some sections about its longitudinal axis, z-shaped angling of the wire, winding the wire, in particular winding the wire helically onto a carrier, transferring the wire mat thus obtained onto a mounting tool.
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
88.
METHOD AND DEVICE FOR WINDING A WAVE WINDING MAT AND WAVE WINDING MAT THAT CAN BE PRODUCED BY MEANS OF SAME
In order to facilitate the production of coil windings in components of electrical machines, the invention provides a method and a device for winding a wave winding mat (20) in order to form a coil winding (12) of an electrical machine, wherein one or more wires (24) are wound with a predefined wire distance (d1, d2, d3) between wire sections and the wire distance is set differently for different regions of the wave winding mat (24).
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
89.
METHOD AND APPARATUS FOR POSITIONING AND CLAMPING WIRE ENDS FOR ELECTRICAL MACHINES
In order to increase process reliability when processing wire ends (12a, 12b) during the course of producing a machine element (14) of an electrical machine, the invention provides a positioning and clamping apparatus (10) for positioning and clamping one or more wire ends (12a, 12b) for the purpose of further processing during the course of producing the machine element (14) of the electrical machine, comprising a capturing device (32) for capturing and positioning the at least one wire end (12a, 12b), wherein the capturing device (32) has at least one oblique guide (44) for relatively positioning the at least one wire end (12a, 12b). The invention further describes a corresponding clamping and positioning method.
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 3/14 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots with transposed conductors, e.g. twisted conductors
90.
PRE-PINNING NEST AND METHOD FOR FORMING A RING FROM A PLURALITY OF U-SHAPED ELECTRICALLY CONDUCTIVE HAIRPINS IN ORDER TO BE ABLE TO SUBSEQUENTLY INSTALL THE RING IN A MACHINE ELEMENT OF AN ELECTRICAL MACHINE
The invention relates to a pre-pinning nest 100 and a method for forming a ring from a plurality of U-shaped, electrically conductive hairpins in order to be able to subsequently install the ring in a machine element of an electrical machine, for example a stator. A receiving element (10) has a plurality of slots (11) in which the limbs of the hairpins are received. The slots (11) are annularly arranged about a centre Z and extend perpendicularly to the plane of the receiving element (10). The size and geometry of the slots are designed such that in each case a first limb of a hairpin rotates inside the slot (11) in order to enable the second limb of the hairpin to be positioned in another slot (11) in an unconstrained manner. One or more rings formed from hairpins are provided for introduction into a machine element and are fitted into the machine element.
The invention relates to a device for joining electrical conductors in a machine element of an electric machine, comprising a collection receptacle (80) for providing an arrangement (20) of one or more crowns, which are formed from electrically conductive hairpins (2), and a joining apparatus (90) for removing the crown arrangement (20) from the collection receptacle (80) and for introducing the crown arrangement (20) into the machine element. An associated method according to the invention comprises the steps: providing an arrangement (20) of one or more crowns of hairpins (2), in a collection receptacle (80); removing the crown arrangement (20) from the collection receptacle (80); and introducing the crown arrangement (20) into the machine element, which is in particular a stator or rotor of an electric motor.
The invention relates to a device for producing a machine element provided with windings for an electrical machine, said device comprising at least one auxiliary device (38, 39) for providing pre-stretched hairpins which are oriented relative to one another as in the machine element to be produced; and a joining device (35) for removing the hairpins (2) oriented relative to one another from the auxiliary device (38, 39) and for inserting them into a machine element (37). A method according to the invention comprises the steps of providing hairpins (2), pre-stretching the hairpins in the auxiliary device (38, 39), wherein they are oriented relative to one another as in the machine element to be produced, removing the hairpins oriented relative to one another from the auxiliary device (38, 39), and inserting the hairpins oriented relative to one another into the machine element (37).
The invention relates to a package carrier for installing a plurality of wire windings into a component such as a stator or a rotor of an electrical machine, the component having a plurality of grooves running longitudinally which are designed to receive wire sections of the wire windings.
H02K 15/06 - Embedding prefabricated windings in the machines
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
94.
CONTROL DEVICE AND CONTROL METHOD FOR CONTROLLING A MACHINE TOOL
The invention relates to a control device for controlling a machine tool, wherein the machine tool and the control device are configured in such a way that a tool and/or workpiece arranged on the machine tool is movable with at least a first speed as well as with at least a second speed. When changing from a movement with the first speed (1) to a movement with the second speed (2), the tool or workpiece is first stopped prior to performing the movement with the second speed (2) when the second speed is greater by at least a predetermined factor than the first speed. The control device comprises an input device for triggering the movement with the second speed (2), and the subsequent execution of the movement with the second speed (2) is triggered by an operator input at the input device. The invention further relates to a corresponding control method for controlling a machine tool.
G05B 19/416 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control of velocity, acceleration or deceleration
G05B 19/409 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panelNumerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control panel details or by setting parameters
B23Q 15/22 - Control or regulation of position of tool or workpiece
G05B 19/425 - Teaching successive positions by numerical control, i.e. commands being entered to control the positioning servo of the tool head or end effector
95.
SLIDING COVER FOR A COMPONENT OF AN ELECTRICAL MACHINE
The invention relates to a component of an electrical machine, in particular a stator, wherein the component has a plurality of grooves, which extend over an axial extension of the component. The grooves receive portions of windings formed from wires and the grooves filled with the winding portions are each sealed by a sliding cover. A plurality of or all sliding covers are held in the component by at least one retaining ring and thereby positioned in the respective grooves.
A description is given of a method for producing a fuel cell stack in which at least one bipolar plate (12) and at least one membrane-electrode unit (5) are joined together to form a pre-stack (25) in a first stacking unit (23) of a device for producing a fuel cell stack, the pre-stack (25) is transported to a second stacking unit (24) of the device for producing a fuel cell stack, and subsequently the pre-stacks (25) are joined together to form a fuel cell stack in the second stacking unit (24) of the device for producing a fuel cell stack. A description is also given of a device for producing a fuel cell stack, which comprises a first stacking unit (23), for forming a pre-stack (25) from at least one bipolar plate (12) and at least one membrane-electrode unit (5) for a fuel cell stack, a second stacking unit (24), for forming a fuel cell stack from the pre-stacks (25) formed in the first stacking unit (23), and also a transporting device (1), for transporting the pre-stack (25) from the first stacking unit (23) to the second stacking unit (24).
The invention relates to a method for producing a wire winding and inserting said wire winding into a component, wherein a winding head is fanned out. The invention further relates to a corresponding wire winding.
H02K 15/06 - Embedding prefabricated windings in the machines
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
The invention relates to a method for introducing an insulation paper into at least one groove chamber of a component, in particular of a rotor or stator, of an electric motor, wherein the groove chamber is provided in order to receive at least one electrical conductor, wherein the insulation paper is first pushed onto the at least one electrical conductor and then the at least one electrical conductor is introduced into the groove chamber together with the insulation paper.
The invention relates to a method and to a device for inserting a plurality of wires into a plurality of grooves of a component, such as a stator or rotor, of an electric motor, wherein the wires are inserted by means of gripping elements.
The invention relates to a method for the production of a component of an electric machine, such as, for example, a stator, comprising a wire mat which is made of wire, preferably a flat wire, characterized by the following steps: aligning the wire, twisting the wire in at least some sections about its longitudinal axis, z-shaped angling of the wire, winding the wire, in particular winding the wire helically onto a carrier, transferring the wire mat thus obtained onto a mounting tool.
H02K 15/06 - Embedding prefabricated windings in the machines
H02K 15/085 - Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/14 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots with transposed conductors, e.g. twisted conductors
H02K 3/28 - Layout of windings or of connections between windings
