The invention relates to an electrochemical machining device (12) for machining elongated workpieces (14), with at least two synchronously movable, vertical telescopic guides (26), with a base (38), which is arranged in the region of a lower end (36) of the telescopic guides (26) and has a lower holder (42) for at least one workpiece (14), and with an upper holder (58) for the at least one workpiece (14), which is vertically adjustable to allow the distance between the holders (42, 58) to be adjusted to the length of the at least one workpiece (14), and with an electrode holder (48), which is fastened to the telescopic guides (26) and can be moved relative to the upper holder (58) by the telescopic guides (26). The invention also relates to an installation (10).
An abrasive flow machine is indicated, having a media drive device which is adapted to move the abrasive medium over a surface of a workpiece and/or through the opening of the workpiece in a flow direction, having a workpiece holder for mounting the workpiece with two parts adapted to be positioned on opposite sides of the workpiece, having a structure-borne sound sensor for measuring structure-borne sound generated in a workpiece when the latter is machined with an abrasive medium, and having an evaluation unit which is adapted to infer a cutting power of the abrasive medium and/or a rate of material removal on the workpiece based on an integrated measurand of the root mean square of the structure-borne sound measured by the structure-borne sound sensor over time. Further indicated are a method of ascertaining a material removal on a workpiece and a method of determining the cutting power of an abrasive medium.
B24B 31/116 - Machines ou dispositifs pour polir ou travailler par abrasion des surfaces "au tonneau", ou au moyen d'autres appareils, dans lesquels les pièces à travailler ou les produits abrasifs sont libresAccessoires à cet effet impliquant l'emploi d'autres moyens pour travailler les pièces par frottement utilisant un composé abrasif déformable plastiquement, mobile par rapport à la pièce sous l'action de la pression
B24B 49/04 - Appareillage de mesure ou de calibrage pour la commande du mouvement d'avance de l'outil de meulage ou de la pièce à meulerAgencements de l'appareillage d'indication ou de mesure, p. ex. pour indiquer le début de l'opération de meulage comparant la cote instantanée de la pièce travaillée à la cote cherchée, la mesure ou le calibrage étant continus ou intermittents impliquant la mesure de la cote de la pièce sur le lieu du meulage pendant l'opération de meulage
3.
LIFTING UNIT, MACHINE PLANT AND METHOD FOR LIFTING AN ELECTROCHEMICAL MATERIAL PROCESSING APPARATUS OUT OF A MACHINE PLANT
The invention relates to a lifting unit (18) for lifting an electrochemical material processing apparatus (12) out of a machine plant (10), having a support surface (20) on which the material processing apparatus (12) is mounted during operation of the machine plant (10), and having at least one runner (24), which is adjustable between an operating position, in which the runner (24) is arranged under the support surface (20) or flush with the support surface (20), and a lifting position, in which the runner (24) protrudes over the support surface (20) and lifts the material processing apparatus (12). The invention furthermore relates to a machine plant (10) having a lifting unit (18) and to a method for lifting an electrochemical material processing apparatus (12) out of a machine plant (10).
B23Q 1/40 - Supports mobiles ou réglables d'outils ou de pièces caractérisés par des particularités de structure concernant la coopération des organes animés d'un mouvement relatifMoyens pour empêcher un déplacement relatif de ces organes utilisant des agencements à billes, à rouleaux ou à galettes
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
4.
ABRASIVE FLOW MACHINING TOOL FOR DETERMINING MATERIAL REMOVAL FROM A WORKPIECE AND METHOD FOR DETERMINING THE CUTTING POWER OF A GRINDING MEDIUM
The invention relates to an abrasive flow machining tool (10), comprising a grinding medium driving device (24), which is suitable for moving the grinding medium (14) in a flow direction over a surface of a workpiece (12) and/or through the opening (16) of the workpiece (12), comprising a workpiece holder (18) for holding the workpiece (12) with two parts (20, 22) which are positionable on opposite sides of the workpiece (12), comprising a structure-borne noise sensor (36) for measuring structure-borne noise generated in a workpiece (12) as said workpiece is being machined by a grinding medium (14), and comprising an evaluation unit (38), which is suitable for determining the cutting power of the grinding medium (14) and/or the rate of material removal from the workpiece (12) on the basis of an integral value of the root mean square of the structure-borne noise, measured by the structure-borne noise sensor (36), over time. The invention furthermore relates to a method for determining material removal from a workpiece and to a method for determining the cutting power of a grinding medium.
B24B 31/116 - Machines ou dispositifs pour polir ou travailler par abrasion des surfaces "au tonneau", ou au moyen d'autres appareils, dans lesquels les pièces à travailler ou les produits abrasifs sont libresAccessoires à cet effet impliquant l'emploi d'autres moyens pour travailler les pièces par frottement utilisant un composé abrasif déformable plastiquement, mobile par rapport à la pièce sous l'action de la pression
B24B 49/04 - Appareillage de mesure ou de calibrage pour la commande du mouvement d'avance de l'outil de meulage ou de la pièce à meulerAgencements de l'appareillage d'indication ou de mesure, p. ex. pour indiquer le début de l'opération de meulage comparant la cote instantanée de la pièce travaillée à la cote cherchée, la mesure ou le calibrage étant continus ou intermittents impliquant la mesure de la cote de la pièce sur le lieu du meulage pendant l'opération de meulage
5.
METHOD FOR REMOVING A SUPPORT STRUCTURE AND TOOL THEREFOR
The invention relates to a method for removing a support structure (18) in a component (10) produced by additive fabrication, according to which method explosive gas introduced into a pressure chamber (28) is ignited, a gas guiding device by which the flame front is directed into the cavity (12) being additionally provided in the chamber. The invention further relates to a tool for carrying out the method.
The invention relates to an electrolytic polishing method and device for the inner faces (22) of a recess in a metal workpiece (14), especially a workpiece produced by 3D printing. According to said method, a cathode (30) is introduced into the recess and the inner face of the recess is polished by means of an electrolyte (12) that has a slow diffusion rate.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
07 - Machines et machines-outils
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Chemicals used in industry, in particular electrolyte
solutions for electrochemical machining. Machine tools and cutting machines; machining stations for
grinding, polishing, cutting, rounding off, deburring and
honing; control instruments for machines, engines and
motors; finishing machines; metalworking machines; grinding
machines; electric machines and apparatus for polishing;
angle grinders; machines for electrochemical machining;
hand-held tools, other than hand-operated. Surface finishing of metal articles; polishing, rounding
off, deburring, honing and full processing of metals and
metal articles by means of electrochemical machining;
finishing of metal articles in bathes, finishing of inner
and outer surfaces, finishing of complex three-dimensional
bodies.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
07 - Machines et machines-outils
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Chemicals used in industry, in particular electrolyte solutions for electrochemical machining Machine tools and cutting machines for forming of materials; machining stations for grinding, polishing, cutting, rounding off, deburring and honing for forming of materials; Metal finishing machines, namely, powered machines for finishing metals; Metalworking machines, namely, electrochemical polishing machines for metal working; Grinding machines for forming of materials; Electric machines and apparatus for polishing; angle grinders; Machines for electrochemical machining; Hand-held tools, other than hand-operated, namely, hand-held electrochemical polishing tools Treatment of materials by means of surface finishing of metal articles; Polishing, rounding off, deburring, honing and full processing of metals and metal articles by means of electrochemical machining; Treatment of materials by means of finishing of metal articles in bathes; Treatment of materials by means of finishing of inner and outer surfaces of metal; Treatment of materials by means of finishing of complex three-dimensional bodies of metal
9.
METHOD FOR ELECTROCHEMICAL PROCESSING OF A WORKPIECE
The invention relates to a method for electrochemical processing of at least one workpiece, comprising at least the following steps: a) setting a first flow density (2) during a first phase (1) in an electrolyte, b) retaining the first flow density (2) during a second phase (3) following the first phase (1), c) increasing the first flow density (2) during a third phase (4) following the second phase (3) to a second flow density (5) at least 30% greater than the first flow density (2), and d) reducing the second flow density (5) during a fourth phase (6) following the third phase (4) within a maximum of 100 microseconds (μs) to a maximum of 1% of the second flow density.
A method for supplying an electrolyte (5) for electrochemically machining a workpiece (2), in which at least the following steps are carried out: [a.] supplying an electrolyte (5) at least in a first storage container (6) of a number of storage containers (6, 7), [b.] compressing the electrolyte (5) at least in said first storage container (6), [c.] coupling the first storage container (6) to at least one machining station (3) and feeding the electrolyte (5) from the first storage container (6) to this machining station (3), [d.] changing from the first storage container (6) to a full second storage container (7) when the electrolyte (5) in the first storage container (6) has reached a minimum level, and [e.] disconnecting the first storage container (6) from the machining station (3). Moreover, a device (1) comprising at least one machining station (2) and a corresponding machining station (3) is also disclosed.
B23H 1/10 - Alimentation en milieu d'usinage ou régénération de celui-ci
B23H 3/10 - Alimentation en milieu d'usinage ou régénération de celui-ci
B23H 9/00 - Usinage spécialement conçu pour le traitement d'objets métalliques particuliers ou pour obtenir des effets ou des résultats particuliers sur des objets métalliques
The present invention relates to a method and a device (1) for the electrochemical treatment of at least one component (3), which has a treatment chamber (2) and at least one feed unit for an electrolyte (25) to the treatment chamber (2), at least one setting means for setting the pH value of the electrolyte (8) being provided before the treatment chamber (2).
The present invention relates to a device (1) and a method for the electrochemical machining of at least one workpiece (3) with conducting means (8) and first storing means (17) for an electrolyte (6), wherein at least one measuring unit (12) for measuring at least one property of the electrolyte (6) is arranged on the conducting means (8).
The present invention relates to an electrolyte (8) and a process for the electrochemical treatment of metallic components (5), wherein the electrolyte (8) comprises a protic solvent (15).
The invention relates to a device (1) for the thermal deburring of workpieces (2), comprising at least one deburring chamber (3) and one feeding device (4) for introducing a fuel gas mixture into the deburring chamber (3), wherein a supplementary gas supply (5) is provided for at least the deburring chamber (3) or for the feeding device (4) such that the fuel gas mixture located at least in the deburring chamber (3) or in the feeding device (4) can be mixed at least partially with supplementary gas. Further, a method for the rapid ventilation of a device (1) for the thermal deburring of workpieces (2) is also provided.
Device (1) for the thermal deburring of workpieces (2) in a combustion chamber by means of a combustible gas mixture (5), in which an apparatus (6) for operating a number of combustion chambers (3, 4) with different combustion chamber diameters (7, 8) and means for controlling a supply of the gas mixture (5) respectively to a predetermined combustion chamber (3, 4) are provided. Furthermore, a method of operating such a device for thermal deburring is also described. This makes it possible to perform more reliable, cost-effective and flexible processing of different workpieces.
