The invention relates to a method for producing and deburring toothings on work pieces (6), comprising two workpiece spindles (3, 3'), comprising a hobbing tool (12) and comprising a deburring device (10), wherein the workpieces (6) are automatically clamped into the workpiece spindles (3, 3'), wherein the workpieces (6) are toothed with the hobbing tool (12) and then deburred, comprising the following method steps: a. receiving an unmachined workpiece (6) in a first loading position (19) via a first workpiece spindle (3) and transporting the workpiece (6) to the hobbing tool (12); b. carrying out a mill cut; c. placing down the workpiece (6) in the first loading position (19) and receiving a further unmachined workpiece (6); d. transporting the workpiece (6) machined with the mill cut to the second loading position (19'); e. receiving the workpiece (6) in the second loading position (19') via the second workpiece spindle (3') and transporting the workpiece (6) to the deburring tool (10); f. deburring of the workpiece (6), wherein an intermediate storage (14) for at least one workpiece (6) is provided between the first loading position (19) and the second loading position (19'), wherein the workpiece (6) is moved from the intermediate storage (14) into the loading position (19'), and wherein the method steps e. and f. are carried out in the same time interval in which the method step b. also takes place.
B23F 17/00 - Méthodes ou machines particulières pour la fabrication de dents d'engrenage, non couvertes par les groupes
B23Q 39/04 - Machines pour le travail des métaux incorporant un grand nombre de sous-ensembles capables chacun de réaliser une opération de travail du métal les sous-ensembles étant disposés pour fonctionner simultanément à différents postes de travail, p. ex. avec une table de travail annulaire se déplaçant par paliers
A grinding apparatus has a support frame and first and second carriages horizontally displaceable on the frame. Respective first and second workpiece spindles are each capable of holding and rotating a workpiece and are vertically displaceable on the first and second carriages. Respective first and second grinders on the frame carry respective first and second grinding wheels and are oriented to engage and machine workpieces held and rotated by the workpiece spindles. One of the grinders is movable horizontal or vertically on the frame.
B24B 27/00 - Autres machines ou dispositifs à meuler
B24B 5/04 - Machines ou dispositifs pour meuler des surfaces de révolution des pièces, y compris ceux qui meulent également des surfaces planes adjacentesAccessoires à cet effet possédant des pointes ou des mandrins pour maintenir la pièce pour meuler extérieurement des surfaces cylindriques
B24B 41/00 - Éléments constitutifs des machines ou dispositifs à meuler, tels que bâtis, bancs, chariots ou poupées
B24B 53/053 - Dispositifs ou moyens pour dresser ou remettre en état des surfaces abrasives des surfaces cylindriques ou coniques d'outils abrasifs ou de meules utilisant des outils de dressage rotatifs
3.
DELAYING STOPPING OF THE SUPPLY OF A PURGE AIR STREAM
The invention relates to delaying the stopping of the supply of a purge air stream (1) that prevents cooling fluid and/or dirt particles from penetrating into a machine unit, said purge air stream (1) flowing from a compressed air system (2) to the machine unit via a pneumatic valve (3) when the machine is on. According to the invention, the supply of the purge air stream (1) can be automatically stopped at the end of a desired period of time after the machine has been turned off, said period of time being adjustable by means of an electric overrun timer (7), the supply of the purge air stream (1) being stoppable in the de-energized state of the machine tool.
A machining apparatus has a frame, a magazine holding a plurality of tools, a loader capable of moving the tools between the magazine and a primary transfer position, first and second tool holders each displaceable horizontally and vertically on the frame, and a transfer arm carrying a grab. Each of the tool holders can move into and out of a respective secondary transfer position for switching a tool, one of the tools is removed from the magazine with the loader and moved by the loader into the primary transfer position, then the one tool is transferred position to the grab of the transfer arm. This arm is them pivoted to move the one tool in the grab from the primary transfer position into one of the secondary transfer positions, and then the tool at the one secondary transfer position is transferred from the grab to the respective holder.
B23Q 3/155 - Agencements pour insérer ou retirer automatiquement les outils
B23Q 39/02 - Machines pour le travail des métaux incorporant un grand nombre de sous-ensembles capables chacun de réaliser une opération de travail du métal les sous-ensembles étant susceptibles d'être mis en fonctionnement à un seul poste de travail
B23B 3/18 - Tours-revolver pour tourner des pièces montées individuellement sur mandrin avec broche de travail horizontale
B23Q 3/157 - Agencements pour insérer ou retirer automatiquement les outils les outils rotatifs
B23B 3/16 - Tours-revolver pour tourner des pièces montées individuellement sur mandrin
B23Q 39/00 - Machines pour le travail des métaux incorporant un grand nombre de sous-ensembles capables chacun de réaliser une opération de travail du métal
An apparatus for machining a workpiece has a housing having a vertical front wall and a first vertical side wall generally perpendicular thereto, respective first front and side vertical guides on the front and first side walls, and a first vertical slide extending along the front and first side walls. First front and side formations on the first vertical slide engage the first front and side guides for vertical movement of the first vertical slide relative to the housing. A first spindle unit adapted to hold the workpiece is carried on the first vertical slide, and a tool holder adapted to hold tools in a first work station is provided below the first vertical slide so that the spindle unit can engage the workpiece with a one of the tools in the work station.
B23B 29/24 - Porte-outils pour plusieurs outils de coupe, p. ex. tourelles
B23Q 39/02 - Machines pour le travail des métaux incorporant un grand nombre de sous-ensembles capables chacun de réaliser une opération de travail du métal les sous-ensembles étant susceptibles d'être mis en fonctionnement à un seul poste de travail
B23B 9/00 - Machines à tourner automatiques ou semi-automatiques à plusieurs broches de travail, p. ex. machines automatiques multibroches dont les broches sont disposées sur un chariot à tambour susceptible d'être placé dans des positions prédéterminéesÉquipement de ces machines
B23Q 7/04 - Agencements pour la manipulation des pièces, spécialement combinés aux machines-outils ou disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines, p. ex. pour le transport, le chargement, le positionnement, le déchargement, le triage au moyen de pinces
B23B 3/10 - Machines à tourner caractérisées par l'utilisation de plateaux à plateau horizontal, c.-à-d. machines verticales à tourner et percer
B23Q 39/00 - Machines pour le travail des métaux incorporant un grand nombre de sous-ensembles capables chacun de réaliser une opération de travail du métal
The invention relates to a machine tool for machining workpieces in at least two work steps, comprising a machine frame (1), a first (2) and a second workpiece spindle (3), a tool holder (4) with at least two rotationally driveable tools (5, 6), and a conveyor device (7) for workpieces (8), said workpiece spindles (2, 3) being arranged on the machine frame (1) so as to be displaceable in a controlled manner in the horizontal and vertical directions, as well as a first (10) and a second loading position (11), the conveyor device (7) conveying non-machined workpieces (8) to said loading positions (10, 11) and conveying finished machined workpieces (8) away therefrom, said conveyor device (7) conveying partially machined workpieces from the first loading position (10) to the second loading position (11), the first workpiece spindle (2) being movable into the first loading position (10) in order to receive non-machined workpieces (8), and being movable into the effective region of a tool (5, 6) in order to carry out the first work step, and said second workpiece spindle (3) being movable into the second loading position (11) for the purpose of receiving partially machined workpieces (8), and being movable into the effective region of a tool (5, 6) in order to carry out the second work step.
B23Q 7/04 - Agencements pour la manipulation des pièces, spécialement combinés aux machines-outils ou disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines, p. ex. pour le transport, le chargement, le positionnement, le déchargement, le triage au moyen de pinces
B23B 3/30 - Machines à tourner à plusieurs broches de travail, p. ex. fixées d'une façon permanente
B23Q 39/04 - Machines pour le travail des métaux incorporant un grand nombre de sous-ensembles capables chacun de réaliser une opération de travail du métal les sous-ensembles étant disposés pour fonctionner simultanément à différents postes de travail, p. ex. avec une table de travail annulaire se déplaçant par paliers
7.
METHOD AND DEVICE FOR DEBURRING AND CHAMFERING TOOTHED WORKPIECES
The invention relates to a method and a device for deburring and chamfering face edges (26) of toothed workpieces (8) by means of at least one tool (14), the device having a workpiece spindle (7) that rotates about a spindle axis (9), wherein the workpiece (8) is rotated by the workpiece spindle (7) and wherein the tool (14) performs a controlled advancing motion by means of a linear relative motion between the workpiece (8) and the tool (14) superposed on the rotational motion, in such a way that the tool follows the face edge (26), wherein the rotational speed of the workpiece (8) is adapted in accordance with the course of the face edge (26) in order to achieve an even advancing speed.
The invention relates to an electrode for the electrochemical processing of recesses (6) in drill holes (9) of small diameter, comprising an electrode main body (1) and a processing head (2) adjoining the electrode main body (1), wherein the electrode main body (1) is provided on the outer face with an insulating layer (10) and wherein the processing head (2) forms an active cathode region, wherein the processing head (2) has a conical extension, the dimensions of which are adapted on the one side to the electrode main body (1) and on the opposite side to the geometry of the recess (6) to be produced.
A machining apparatus has a frame defining an input station, an output station, and first and second machining stations. Respective first and second workpiece holders in the first and second machining stations can retain a workpiece therein. A first pivotal turret is movable vertically and horizontally on the frame between the input station and the first machining station and carries at least one machining tool and a first grab, and a second pivotal turret is movable vertically and horizontally on the frame between the first and second machining stations and the output station and carries at least one machining tool and second and third grabs.
B23Q 7/00 - Agencements pour la manipulation des pièces, spécialement combinés aux machines-outils ou disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines, p. ex. pour le transport, le chargement, le positionnement, le déchargement, le triage
B23Q 39/04 - Machines pour le travail des métaux incorporant un grand nombre de sous-ensembles capables chacun de réaliser une opération de travail du métal les sous-ensembles étant disposés pour fonctionner simultanément à différents postes de travail, p. ex. avec une table de travail annulaire se déplaçant par paliers
B23Q 41/02 - Caractéristiques se rapportant au transfert de la pièce entre les machines
B23Q 7/04 - Agencements pour la manipulation des pièces, spécialement combinés aux machines-outils ou disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines, p. ex. pour le transport, le chargement, le positionnement, le déchargement, le triage au moyen de pinces
B23B 3/30 - Machines à tourner à plusieurs broches de travail, p. ex. fixées d'une façon permanente
B23Q 39/00 - Machines pour le travail des métaux incorporant un grand nombre de sous-ensembles capables chacun de réaliser une opération de travail du métal
The invention relates to a machine for electrochemical metal machining, wherein metal is removed by electrolytic dissolution of the workpiece (10), comprising a frame (1), with a work holder (19), wherein a workpiece (10) is mounted in the work holder (19) in such a way that it can be rotationally driven under numerical control about a vertical spindle axis (6) and a horizontal axis of rotation (9), with at least one tool (15), which can be infed to the workpiece (10), wherein the workpiece (10) is positively poled as an anode and the tool (15) is negatively poled as a cathode, wherein the work holder (19) is guided movably in a controlled manner in relation to the frame (1) in a horizontal direction on the horizontal slide (4) along Y guides (3) and in a vertical direction with the spindle (5) along the Z guide (16), and the tool (15) can be moved in a horizontal direction on the infeed slide (12) along the X guide (11) on the frame (1).
B23H 3/00 - Usinage électrochimique, c.-à-d. enlèvement de métal par passage de courant entre une électrode et une pièce en présence d'un électrolyte
B23H 7/26 - Appareils pour déplacement ou positionnement de l'électrode par rapport à la pièceMontage de l'électrode
B23H 9/10 - Usinage d'aubes de turbine ou de buses
B23Q 1/48 - Supports mobiles ou réglables d'outils ou de pièces utilisant des mécanismes particuliers avec des guidages en translation et des guidages en rotation
The invention relates to a machine for electrochemical metal machining, wherein metal is removed by electrolytic dissolution of the workpiece (10), comprising a frame (1), with a work holder (19), wherein a workpiece (10) is mounted in the work holder (19) in such a way that it can be rotationally driven under numerical control about a vertical spindle axis (6) and a horizontal axis of rotation (9), with at least one tool (15), which can be infed to the workpiece (10), wherein the workpiece (10) is positively poled as an anode and the tool (15) is negatively poled as a cathode, wherein the work holder (19) is guided movably in a controlled manner in relation to the frame (1) in a horizontal direction on the horizontal slide (4) along Y guides (3) and in a vertical direction with the spindle (5) along the Z guide (16), and the tool (15) can be moved in a horizontal direction on the infeed slide (12) along the X guide (11) on the frame (1).
B23H 3/00 - Usinage électrochimique, c.-à-d. enlèvement de métal par passage de courant entre une électrode et une pièce en présence d'un électrolyte
B23H 7/26 - Appareils pour déplacement ou positionnement de l'électrode par rapport à la pièceMontage de l'électrode
B23Q 1/48 - Supports mobiles ou réglables d'outils ou de pièces utilisant des mécanismes particuliers avec des guidages en translation et des guidages en rotation
B23H 9/10 - Usinage d'aubes de turbine ou de buses
The invention relates to a loading unit for vertical lathes, having a suspended workpiece spindle (2), a clamping plate (1), and a receiving device (3) associated with the clamping plate, wherein clamping means (4) for workpieces (5) are provided on the first side (6) of the clamping plate (1) and coupling elements (8) for coupling the clamping plate (1) to the workpiece spindle (2) are arranged on the second side (7), wherein the clamping plate (1) can be pivoted about a horizontal pivot axis (10) and fixed in the receiving device (3), such that the first side (6) or the second side (7) is optionally accessible from the top.
B23Q 1/52 - Supports mobiles ou réglables d'outils ou de pièces utilisant des mécanismes particuliers avec des guidages en rotation uniquement avec un seul guidage en rotation
B23Q 7/04 - Agencements pour la manipulation des pièces, spécialement combinés aux machines-outils ou disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines, p. ex. pour le transport, le chargement, le positionnement, le déchargement, le triage au moyen de pinces
13.
Machining apparatus and method of loading and unloading same
A machining apparatus has a frame defining a transfer station and a machining station thereabove, a spindle having a workpiece grab and vertically displaceable on the frame between an upper position with the grab in the machining station and a lower position with the grab in the transfer station, a tool holder horizontally displaceable on the frame toward and away from the machining station, and a workpiece conveyor extending through the transfer station. After shifting a deflector underneath the machining station into a side position out from underneath the grab, the grab is lowered to pick an at least partially unmachined workpiece in the transfer station off the conveyor and then raised with the workpiece into the machining station. The deflector is then shifted between a use position over the transfer station and under the machining station and a side position allowing the spindle to pass.
An apparatus for fitting two first workpieces with respective second workpieces of different dimensions has a track extending longitudinally through an assembly station and a welding station. An assembling appliance in the assembly station has a pair of jigs each dimensioned to fit with a respective one of the second workpieces, and a holdown appliance in the welding station similarly has a pair of differently sized holddowns. The holddown appliance can move between a pair of positions in each of which a respective one of the holddowns is aligned under the welding head. A workpiece holder in which either of the first workpieces can be held is shiftable between positions in the assembly station under the assembling appliances and a position in the welding station underneath a stationary welding head therein.
B23K 26/00 - Travail par rayon laser, p. ex. soudage, découpage ou perçage
B23K 37/00 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe
15.
Method of and apparatus for grinding cams of a camshaft
The invention relates to a method and a device for grinding cams of a camshaft (7) in a clamp with two grinding spindles (10, 11), wherein the cams or cam pairs are each arranged in a mirror image relative to the workpiece rotation axis (16), wherein the camshaft (7) is tensioned and rotated about the longitudinal axis thereof. In the device for carrying out the method, the camshaft (7) can be inserted into the workpiece receiver (6) from the side lying opposite the at least one back stay (15) by means of the loading device.
B24B 19/12 - Machines ou dispositifs conçus spécialement pour une opération particulière de meulage non couverte par d'autres groupes principaux pour meuler des sections non circulaires, p. ex. des arbres de section elliptique ou polygonale pour rectifier les cames ou arbres à cames
16.
Machining a race gear of a constant-velocity joint
Race grooves and lobe outer surfaces of a constant-velocity race gear centered on a gear axis are finished by engaging a first groove of the race gear with a rotating groove-machining tool and relatively moving the race gear and rotating groove-machining tool arcuately to finish the first groove while holding the race gear against rotation about its gear axis. Then the first groove of the race gear is disengaged from the rotating groove-machining tool while holding the race gear against rotation about its gear axis. Then the race gear is rotated about its gear axis to align a second groove with the rotating groove-machining tool while engaging a first lobe outer surface with a rotating surface-machining tool to finish same. These steps are repeated in the same order to finish the second groove and a second lobe outer surface and so on until all the grooves and lobe outer surfaces of the race gear are finished.
B23F 5/20 - Fabrication de dents d'engrenage droites, impliquant le déplacement d'un outil par rapport à la pièce à usiner avec un mouvement de roulage ou d'enveloppement par rapport aux dents à réaliser par fraisage
The invention relates to a method and a device for grinding cams of a camshaft (7) in a clamp with two grinding spindles (10, 11), wherein the cams or cam pairs are each arranged in a mirror image relative to the workpiece rotation axis (16), wherein the camshaft (7) is tensioned and rotated about the longitudinal axis thereof. In the device for carrying out the method, the camshaft (7) can be inserted into the workpiece receiver (6) from the side lying opposite the at least one back stay (15) by means of the loading device.
B24B 19/12 - Machines ou dispositifs conçus spécialement pour une opération particulière de meulage non couverte par d'autres groupes principaux pour meuler des sections non circulaires, p. ex. des arbres de section elliptique ou polygonale pour rectifier les cames ou arbres à cames
B24B 27/00 - Autres machines ou dispositifs à meuler
18.
METHOD AND DEVICE FOR MACHINING AND BALANCING FLAT WORKPIECES
The invention relates to a method and a device for machining and balancing flat workpieces, for example wheel hubs or brake disks for motor vehicles. The device according to the invention comprises at least one machining center having a workpiece support (6), at least one tool (4) for chip-removal, a transport device (7) for the workpieces (8) and an unbalance measuring device (3). The method according to the invention comprises the following steps: a) picking up the workpiece (8) from the transport device (7) by means of the workpiece support (6), b) displacing the workpiece (8) into the working zone of the tool (4) and carrying out the chip-removing machining, c) placing the workpiece (8) on the unbalance measuring device (3) and determining the static unbalance in terms of its direction and degree, d) picking up the workpiece (8) by means of the workpiece support (6), e) carrying out a chip-removing machining step in the location on the workpiece (8) where the unbalance is located, f) placing the workpiece (8) on the transport device (7). The invention is characterized in that the unbalance is determined on the static workpiece (8).
brevets
