WO2010094629A1 - Procédé et dispositif de fourniture d'un électrolyte pour un processus de traitement électrochimique - Google Patents

Procédé et dispositif de fourniture d'un électrolyte pour un processus de traitement électrochimique Download PDF

Info

Publication number
WO2010094629A1
WO2010094629A1 PCT/EP2010/051776 EP2010051776W WO2010094629A1 WO 2010094629 A1 WO2010094629 A1 WO 2010094629A1 EP 2010051776 W EP2010051776 W EP 2010051776W WO 2010094629 A1 WO2010094629 A1 WO 2010094629A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrolyte
reservoir
storage container
processing station
workpiece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2010/051776
Other languages
German (de)
English (en)
Inventor
Patrick Matt
Manfred Butscher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Extrude Hone GmbH
Original Assignee
Extrude Hone GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Extrude Hone GmbH filed Critical Extrude Hone GmbH
Publication of WO2010094629A1 publication Critical patent/WO2010094629A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/10—Supply or regeneration of working media
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
    • B23H3/10—Supply or regeneration of working media
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects

Definitions

  • the subject of the present invention is a method and a device for providing an electrolyte for the electrochemical machining of workpieces.
  • EP 0 802 009 B1 and EP 1 179 379 A1 it is known to provide an electrolyte from a reservoir to an electrochemical machining process.
  • the electrolyte is first pumped by means of a pump from an electrolyte collecting container into a storage container.
  • the electrolyte is charged with a fluid, so that the electrolyte can be compressed.
  • the pressure of the fluid for example, be influenced by means of a compressor.
  • the reservoir is coupled to the workpiece via a connecting line, so that the electrolyte can flow through the workpiece to be machined.
  • the electrolyte is collected in an electrolyte collecting container and made available there to the electrolyte supply system again.
  • the object of the invention is therefore to solve the problems described with reference to the prior art at least partially and in particular to provide a method for providing an electrolyte for electrochemical machining of workpieces, which ensures a comparatively high throughput.
  • a device for providing an electrolyte for the electrochemical machining of a workpiece is to be specified, through the use of which the throughput can be increased.
  • a. Providing an electrolyte at least in a first reservoir of a plurality of reservoirs, b. Compressing the electrolyte at least in this first reservoir, c. Coupling the first storage container with at least one processing station and supplying the electrolyte from the first storage container to this processing station, d. Switching from the first reservoir to a filled second reservoir when the electrolyte in the first reservoir has reached a minimum level, and e. Decoupling the first storage container from the processing station.
  • steps a. to e. are initiated regularly one after the other, whereby the steps can nevertheless possibly be carried out at least partially simultaneously and / or overlaid by further steps. Regularly, these steps are repeated several times, especially with respect to different reservoir. It is also possible for individual steps to be initiated and / or performed simultaneously at different storage containers.
  • the electrochemical machining may in particular be a so-called ECM process, which is used for shaping and surface treatment (eg deburring) of metallic workpieces (electrochemical metal working).
  • This process is based on the physical rules of electrolysis.
  • the workpiece to be machined is usually connected as the anode and the tool as the cathode.
  • the application of a DC voltage causes a chemical decomposition of the workpiece at the previously exactly defined location.
  • the removal volume is influenced by the height and time of action of the working current, but also by selective irrigation with electrolyte and a corresponding tool design.
  • the ECM method is eg. used for deburring, rounding edges at precisely defined locations, polishing and etching.
  • the advantages of the ECM process include a targeted, always repeatable with reproducible accuracy machining and the lack of mechanical and thermal stress on the workpiece.
  • the inventive method for providing an electrolyte for the electrochemical machining of workpieces has the advantage that by switching from a first storage container to a filled second storage container when the electrolyte in the first storage container has a minimum level (eg minimum filling level, minimum volume, etc.). has achieved, a substantially uninterrupted machining of the workpieces is made possible. In other words, this means that upon reaching a predetermined minimum level of a reservoir, the electrochemical machining of the workpieces does not have to be interrupted until the reservoir is, for example, refilled by a pump.
  • the minimum level is reached when the electrolyte from the reservoir is (almost) completely emptied; but this is not mandatory.
  • At least two storage containers are required for this method, which are used alternately, wherein the number of storage containers used can also be greater, in particular if several workpieces are flowed through together in a processing station with the electrolyte ,
  • the coupling of the reservoir with the at least one processing station can be done with rigid or flexible connecting lines, which may have valves for coupling or decoupling of the reservoir.
  • a reservoir is coupled to a processing station when the electrolyte in the reservoir is out
  • a reservoir is decoupled from a processing station when flow to the processing station and / or flushing of the workpiece with electrolyte from the reservoir is blocked.
  • the connecting lines used to couple a reservoir to a processing station can either be fixedly or detachably attached to the reservoirs. This means that in a fixed attachment of the connecting lines to the reservoirs, the same number of connecting lines as reservoir are present, whereas in a detachable attachment of the connecting lines to the storage containers z. B. only two connecting cables are required.
  • a compressed fluid acts in the reservoirs on the electrolyte, a compressed fluid.
  • the pressure eg in the range of 80 to 120 bar, in particular between 96 and 102 bar
  • the flow of the electrolyte to the workpiece from the pulsation of a pump is decoupled and can be provided particularly smooth flow properties.
  • an elastic membrane separates the electrolyte from the compressed fluid. The elastic membrane prevents mixing of the compressed fluid with the electrolyte and / or that the compressed fluid affects the quality of the electrolyte.
  • At least one pump fills one or more of the reservoir with electrolyte when this reservoir or reservoir are decoupled from the workstation.
  • This can in particular also lead to a simultaneous electrochemical machining being carried out from a storage container and filling (at least) of a further storage container. It is a particularly environmentally friendly and economical process, because when filling the reservoir already used electrolyte can be reused.
  • a device for providing an electrolyte for electrochemically machining a workpiece This has at least one processing station for receiving at least one workpiece with at least one tool.
  • it has at least one electrolyte supply system for providing electrolyte for processing the workpiece, wherein the electrolyte supply system comprises a plurality of reservoirs for receiving electrolyte, which are separately decoupled from the at least one processing station and switchable (couplable).
  • This device can be used in particular for carrying out the method described here.
  • the tool specified here is in particular an electrode for ECM machining.
  • Under storage containers are in particular gas-tight pressure vessel to understand with one or more chambers.
  • This stock containers can be coupled or decoupled with at least one processing station.
  • the electrolyte located in the storage containers can be conducted via connecting lines to a processing station and that the electrolyte flow can be prevented for example by valves in the connecting lines separately for each storage container.
  • the device additionally has a number of further components, in which case reference is made here by way of example to the following: For example, a current or voltage supply (DC voltage, pulse current, etc.) with a suitable control of the current or the voltage during the provided electrochemical machining.
  • a current or voltage supply DC voltage, pulse current, etc.
  • the reservoir have means for influencing the electrolyte pressure or can be brought into connection with such agents.
  • These means may include compressors, gas boilers or pumps.
  • the device has a collecting basin for receiving the electrolyte, wherein at least one return line with a pump leads from this collecting basin to the storage containers.
  • the design makes it possible to reuse already used electrolyte.
  • the already used electrolyte is collected after the electrochemical machining process in the reservoir.
  • the return line from this reservoir to the reservoirs may be one or more flexible or rigid connecting conduits having one or more pumps.
  • these returns can be either fixed or detachable connected to the reservoirs.
  • at least one common section of the connecting lines (return and / or to the processing station) is provided, so z.
  • the load on the pump (s) can be adjusted.
  • FIG. 1 shows schematically a device 1 for providing an electrolyte 5 for the electrochemical machining of a workpiece 2.
  • the workpiece 2 is located in a processing station 3 and is connected via connecting lines 9 to a first reservoir 6 and to a second reservoir 7. Furthermore, at the desired processing point in or on the workpiece 2 a here only schematically illustrated tool 4 is arranged.
  • the first storage container 6 and the second storage container 7 can each be decoupled from the workpiece 2 by means of the first valve 21 and the second valve 22 (at predeterminable times and / or independently of one another).
  • the first reservoir 6 and the second reservoir 7 shown in FIG. 1 are in each case pressure vessels which each have two chambers separated by a first elastic membrane 15 and a second elastic membrane 20.
  • the respective upper chambers serve to receive a first compressed fluid 14 and a second compressed fluid 19.
  • These fluids 14, 19 act via the first elastic membrane 15 and the second elastic membrane 20 on the electrolyte 5 located in the lower chambers compressed fluid 14 is provided from a first means for influencing the electrolyte pressure 10 (fluid pressure system).
  • this is a gas boiler under overpressure, which is coupled to a first means for detecting the electrolyte pressure 8.
  • the second compressed fluid 19 is provided from a second means for influencing the electrolyte pressure 17.
  • This second means for influencing the electrolyte pressure 17 is likewise a gas boiler under overpressure. This is coupled to a second means for detecting the electrolyte pressure 16.
  • the already used electrolyte 5 is collected in a reservoir 11.
  • a first return 12 with a first pump 13 and a second return 23 with a second pump 18 the first reservoir 6 and the second reservoir 7 can be filled again with electrolyte 5, if this by means of the first valve 21 or the second valve 22 are decoupled from the workpiece 2.
  • first elastic membrane 16 second means for detecting the electrolyte pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

L'invention concerne un procédé de fourniture d'un électrolyte (5) pour le traitement électrochimique d'une pièce (2), consistant notamment à : [a.] fournir un électrolyte (5) au moins dans un premier réservoir de stockage (6) parmi plusieurs réservoirs de stockage (6, 7), [b.] comprimer l'électrolyte (5) au moins dans ce premier réservoir de stockage (6), [c] accoupler le premier réservoir de stockage (6) à au moins une station de traitement (3) et conduire l'électrolyte (5) de ce premier réservoir de stockage (6) à cette station de traitement (3), [d.] passer du premier réservoir de stockage (6) à un second réservoir de stockage rempli (7), lorsque l'électrolyte (5) a atteint un niveau minimal dans le premier réservoir de stockage (6), et [e.] désaccoupler le premier réservoir de stockage (6) de la station de traitement (3). L'invention concerne également un dispositif (1) muni d'au moins une station de traitement (2) et une station traitement correspondante (3).
PCT/EP2010/051776 2009-02-19 2010-02-12 Procédé et dispositif de fourniture d'un électrolyte pour un processus de traitement électrochimique Ceased WO2010094629A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910009710 DE102009009710A1 (de) 2009-02-19 2009-02-19 Verfahren und Vorrichtung zur Bereitstellung eines Elektrolyts für einen elektrochemischen Bearbeitungsprozess
DE102009009710.4 2009-02-19

Publications (1)

Publication Number Publication Date
WO2010094629A1 true WO2010094629A1 (fr) 2010-08-26

Family

ID=42110241

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/051776 Ceased WO2010094629A1 (fr) 2009-02-19 2010-02-12 Procédé et dispositif de fourniture d'un électrolyte pour un processus de traitement électrochimique

Country Status (2)

Country Link
DE (1) DE102009009710A1 (fr)
WO (1) WO2010094629A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011009080A1 (de) 2011-01-21 2012-07-26 Netzsch-Mohnopumpen Gmbh Verfahren und Vorrichtung zum Entleeren von Behältern

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3755127A (en) * 1972-04-13 1973-08-28 Trw Inc Apparatus for electrochemical machining
EP0802009A1 (fr) * 1996-04-20 1997-10-22 Fritz-Herbert Frembgen Méthode d'usinage électrochimique des canaux d'écoulement dans des pièces métalliques
EP1179379A1 (fr) 2000-08-09 2002-02-13 Delphi Technologies, Inc. Méthode d'usinage électrochimique d'orifices

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3755127A (en) * 1972-04-13 1973-08-28 Trw Inc Apparatus for electrochemical machining
EP0802009A1 (fr) * 1996-04-20 1997-10-22 Fritz-Herbert Frembgen Méthode d'usinage électrochimique des canaux d'écoulement dans des pièces métalliques
EP0802009B1 (fr) 1996-04-20 1998-12-09 Fritz-Herbert Frembgen Méthode d'usinage électrochimique des canaux d'écoulement dans des pièces métalliques
EP1179379A1 (fr) 2000-08-09 2002-02-13 Delphi Technologies, Inc. Méthode d'usinage électrochimique d'orifices

Also Published As

Publication number Publication date
DE102009009710A1 (de) 2010-08-26

Similar Documents

Publication Publication Date Title
EP2451603A1 (fr) Dispositif et procédé d'enlèvement électrochimique d'une surface d'un composant
EP3083087B1 (fr) Dispositif et procédé pour le nettoyage de conteneurs
EP3962670B1 (fr) Dispositif de nettoyage, système à air comprimé et procédé de nettoyage pour solliciter une surface par une impulsion de milieu ainsi que système de commande et véhicule correspondants
EP0031535A2 (fr) Procédé pour la régénération cyclique de dispositifs pour l'adoucissement de l'eau et dispositif à commande à programme pour la mise en oeuvre du procédé
DE3142739A1 (de) Vorrichtung zur elektrolytischen oberflaechenbehandlung von mechanischen teilen, insbesondere von zylindern von verbrennungsmotoren
WO2008122383A1 (fr) Procédé de production d'un milieu nettoyant et procédé et dispositif de nettoyage pour nettoyer une pièce
DE202009018606U1 (de) Vorrichtung zur Aufbereitung einer Kühl- und Spülflüssigkeit
DE112012006422T5 (de) Reinigungsvorrichtung für eine elektroerosive Bearbeitungsflüssigkeit und Reinigungsverfahren für eine elektroerosive Bearbeitungsflüssigkeit
DE202004006534U1 (de) Versorgungseinrichtung für eine Reinigungsvorrichtung in einer Verarbeitungsmaschine
EP3801941A1 (fr) Extrudeuse équipée d'un système de commande électrohydrostatique
WO2010094629A1 (fr) Procédé et dispositif de fourniture d'un électrolyte pour un processus de traitement électrochimique
WO2006012828A1 (fr) Dispositif et procede de filtration d'un fluide destines en particulier a des installations de transformation des plastiques
DE202022100235U1 (de) Vorrichtung zum Filtrieren eines flüssigen Kunststoffes
EP4643017B1 (fr) Pompe pour matières épaisses et procédé de fonctionnement d'une pompe pour matières épaisses
WO2019025326A2 (fr) Unité fonctionnelle pour une tête d'usinage, tête d'usinage et élément fonctionnel
EP2335895A1 (fr) Dispositif et procédé de préparation d'un liquide de refroidissement et de rinçage
DE102020125547A1 (de) Prozess-Wasseranalyse-Probennahmeanordnung
WO2019211084A1 (fr) Dispositif amortisseur
EP0506028A2 (fr) Dispositif de nettoyage
EP2197617B1 (fr) Dispositif et procédé de traitement électrochimique
DE102004058372B4 (de) Verfahren und Vorrichtung zur elektrochemischen Bearbeitung
DE9315408U1 (de) Vorrichtung zum Reinigen der Hohlstruktur von Werkstücken
DE3447998A1 (de) Vorrichtung zur ermittlung des spueldruckes einer elektroerosiven drahtschneidmaschine
AT519581A1 (de) Kolben-Zylinder-Einheit
WO2026032846A1 (fr) Procédé de fonctionnement de dispositif de pompage de matériau de construction et/ou de matière épaisse, et dispositif de pompage de matériau de construction et/ou de matière épaisse

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10704551

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10704551

Country of ref document: EP

Kind code of ref document: A1