DE900404C - Arrangement for the electrolytic polishing of hollow bodies - Google Patents

Arrangement for the electrolytic polishing of hollow bodies

Info

Publication number
DE900404C
DE900404C DEK5449D DEK0005449D DE900404C DE 900404 C DE900404 C DE 900404C DE K5449 D DEK5449 D DE K5449D DE K0005449 D DEK0005449 D DE K0005449D DE 900404 C DE900404 C DE 900404C
Authority
DE
Germany
Prior art keywords
electrolyte
hollow body
arrangement
hollow bodies
electrolytic polishing
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.)
Expired
Application number
DEK5449D
Other languages
German (de)
Inventor
Dr Josef Heyes
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.)
WILHELM ANTON FISCHER DR ING
Original Assignee
WILHELM ANTON FISCHER DR ING
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 WILHELM ANTON FISCHER DR ING filed Critical WILHELM ANTON FISCHER DR ING
Priority to DEK5449D priority Critical patent/DE900404C/en
Application granted granted Critical
Publication of DE900404C publication Critical patent/DE900404C/en
Expired legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25FPROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F7/00Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Description

Beim elektrolytischen Polieren der Innenfläche von engen Hohlkörpern ist es sehr schwierig; die hauptsächlich an dieser als Anode auftretende Wärmemenge fortzuschaffen und den Elektrolyt zu erneuern. Es muß also durch eine besondere Anordnung für eine ausreichende Bewegung des Elektrolyts gesorgt werden.When electrolytically polishing the inner surface of narrow hollow bodies Is it very difficult; the amount of heat mainly occurring at this as an anode remove and replace the electrolyte. So it has to go through a special one Arrangement to ensure sufficient movement of the electrolyte.

Weiter ist für das Gelingen einer guten Polierwirkung erforderlich, die viskose Schicht unmittelbar nach Beendigung ,des Vorganges abzuspülen, was verständlicherweise beim Polieren der Innenflächen von Hohlkörpern besondere Schwierigkeiten bietet.In order to achieve a good polishing effect, it is also necessary Rinse off the viscous layer immediately after the end of the process, which is understandable offers particular difficulties when polishing the inner surfaces of hollow bodies.

Außerdem ist es nötig, zur Vermeidung von Säureverlusten vor dem Durchspülen nach Beendigung des Poliervorganges den im Hohlkörper befindlichen Elektrolyt abzulassen.It is also necessary to avoid acid loss before flushing to drain the electrolyte in the hollow body after finishing the polishing process.

Diese Bedingungen werden erfindungsgemäß durch eine Anordnung erfüllt, wie sie im folgenden an Hand der Zeichnung in einem Ausführungsbeispiel beschrieben wird. In der Skizze ist die Anordnung zum Polieren eines Hohlkörpers dargestellt. Die dargestellten Verteiler können an sich aber zur Aufnahme mehrerer Hohlkörper. eingerichtet werden.According to the invention, these conditions are met by an arrangement as described below with reference to the drawing in an exemplary embodiment will. In the sketch, the arrangement for polishing a hollow body is shown. However, the distributors shown can in themselves be used to accommodate a plurality of hollow bodies. to be set up.

Aus einem Vorratsbehälter a wird der Elektrolyt mit einer säurefesten und in ihrer Leistung regelbaren Pumpe b über einen Dreiwegehahn c einem Verteiler d zugeführt, in den der zu polierende Hohlkörper, beispielsweise ein MG-Lauf, direkt eingesetzt ist. Von dem Verteiler d aus säurefestem Material, in dem auch die Kathode e befestigt wird, tritt der Elektrolyt in den zu polierenden Hohlkörper fein. Er verläßt ihn wieder durch das Aufsatzstück g und fließt über den Sammler h sowie den Dreiwegehahn i zum Vorratsbehälter a zurück: Die Kühlung des Elektrolyts erfolgt durch eine im Vorratsgefäß befindliche Kühlschlange L.The electrolyte is made from a storage container a with an acid-resistant one and pump b, whose output can be regulated via a three-way valve c, to a distributor d fed into which the hollow body to be polished, for example an MG barrel, is directly fed is used. From the distributor d made of acid-proof material, in which also the cathode e is attached, the electrolyte enters the hollow body to be polished finely. He leaves it again through the top piece g and flows over the collector h as well the three-way valve i back to the reservoir a: The electrolyte is cooled through a cooling coil L.

Außerdem wird der Hohlkörper selbst durch Aufspritzen von Wasser aus der Brause m, das sieh in dem Behälter h sammelt und durch den Abflüß o abgeführt wird, gekühlt. Die Stromzufuhr erfolgt durch die Klemmen p und q an den Hohlkörper selbst bzw. an die mit .der Flügelmutter r gespannte, aus V2A-Draht hergestellte Kathode e.In addition, the hollow body itself is made by spraying water the shower m, which see collects in the container h and discharged through the drain o is cooled. Power is supplied to the hollow body through terminals p and q itself or to the tensioned with .der wing nut r, made of V2A wire Cathode e.

Nach Abschalten des Stromes wird der im Innern des Hohlkörpers befindliche Elektrolyt durch den Dreiwegehahn c abgelassen und darauf durch den Dreiwegehahn i Wasser durch den Hohlkörper hindurchgeleitet, um die beim Poliervorgang auf der Innenoberfläche abgesetzte Schicht hinwegzuspülen. Der Hohlkörper wird sodann ausgebaut und durch einen neuen ersetzt. Die Verlängerungsstücke s und t haben die Aufgabe, das elektrische Feld an den Enden der Hohlkörper gleichmäßig zu gestalten und für ein möglichst wirbelloses Eintreten des Elektrolyts in .den Hohlkörper zu sorgen.After switching off the current, the one located inside the hollow body will be Electrolyte drained through the three-way valve c and then through the three-way valve i water passed through the hollow body in order to avoid the on the polishing process on the Rinse away the inner surface of the deposited layer. The hollow body is then removed and replaced with a new one. The task of the extension pieces s and t to make the electric field at the ends of the hollow body uniform and for to ensure that the electrolyte enters the hollow body with as little invertebrate as possible.

Claims (3)

PATENTANSPRÜCHE: i. Vorrichtung zum elektrolytischen Polieren von Hohlkörpern, dadurch gekennzeichnet, daß zur Erneuerung des Elektrolyts und Kühlung der Innenflächen des Hohlkörpers der Elektrolyt durch eine Pumpe im geschlossenen Kreislauf durch diesen hindurchgeleitet wird. PATENT CLAIMS: i. Device for the electrolytic polishing of hollow bodies, characterized in that for renewing the electrolyte and cooling the inner surfaces of the hollow body, the electrolyte is passed through the hollow body by a pump in a closed circuit. 2. Vorrichtung nach Anspruch i, dadurch gekennzeichnet, daß unmittelbar nach Abschalten des Stromes, Ablassen des Elektrolyts und Absperrung des Vorratsgefäßes für den Elektrolyt zur Entfernung der auf der zu polierenden Innenfläche gebildeten Schicht Spülflüssigkeit durch den Hohlkörper durchgeleitet wird. 2. Apparatus according to claim i, characterized characterized in that immediately after switching off the current, draining the electrolyte and closing off the storage vessel for the electrolyte to remove the on the To be polished inner surface formed layer of rinsing liquid through the hollow body is passed through. 3. Vorrichtung nach den Ansprüchen i und 2, dadurch gekennzeichnet, daß das aufeinanderfolgende Durchleiten von Elektrolyt, das Ablassen desselben und Durchleiten von Spülflüssigkeit mittels zweier Dreiwegehähne vorgenommen wird.3. Device according to claims i and 2, characterized in that that the successive passage of electrolyte, the drainage of the same and Passing rinsing liquid is carried out by means of two three-way taps.
DEK5449D 1943-11-03 1943-11-03 Arrangement for the electrolytic polishing of hollow bodies Expired DE900404C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK5449D DE900404C (en) 1943-11-03 1943-11-03 Arrangement for the electrolytic polishing of hollow bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK5449D DE900404C (en) 1943-11-03 1943-11-03 Arrangement for the electrolytic polishing of hollow bodies

Publications (1)

Publication Number Publication Date
DE900404C true DE900404C (en) 1953-12-28

Family

ID=7210837

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK5449D Expired DE900404C (en) 1943-11-03 1943-11-03 Arrangement for the electrolytic polishing of hollow bodies

Country Status (1)

Country Link
DE (1) DE900404C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0561522A1 (en) * 1992-03-04 1993-09-22 General Electric Company Method for electropolishing mandrels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0561522A1 (en) * 1992-03-04 1993-09-22 General Electric Company Method for electropolishing mandrels

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