JPS56158898A - Method for working tip of needle of gold alloy needle by electrolytic polishing - Google Patents

Method for working tip of needle of gold alloy needle by electrolytic polishing

Info

Publication number
JPS56158898A
JPS56158898A JP6203180A JP6203180A JPS56158898A JP S56158898 A JPS56158898 A JP S56158898A JP 6203180 A JP6203180 A JP 6203180A JP 6203180 A JP6203180 A JP 6203180A JP S56158898 A JPS56158898 A JP S56158898A
Authority
JP
Japan
Prior art keywords
wire
end part
needle
gold alloy
electrolyte
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.)
Pending
Application number
JP6203180A
Other languages
Japanese (ja)
Inventor
Shozo Hayashi
Yoshio Kaji
Seiichi Shindo
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.)
Tanaka Denshi Kogyo KK
Original Assignee
Tanaka Denshi Kogyo KK
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 Tanaka Denshi Kogyo KK filed Critical Tanaka Denshi Kogyo KK
Priority to JP6203180A priority Critical patent/JPS56158898A/en
Publication of JPS56158898A publication Critical patent/JPS56158898A/en
Pending legal-status Critical Current

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Landscapes

  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

PURPOSE: To work a tip to a uniform sharp-pointed shape with wire materials of any diameter by applying voltates between the end part of a gold alloy blank wire immersed in electrolyte and the electrode in the electrolyte, dividedly in two times, in the static state and in the relatively vertically moving state.
CONSTITUTION: Voltage of 2W15V is applied between the cathode in mixed electrolyte 2 of 40W90:5W60:5W20 sulfuric acid, phosphoric acid and water by vol% and a gold alloy blank wire 4 of which the end part is immersed in the liquid 2, whereby the end part of the wire 4 is primarily electrolytically polished to a V shape. In this case, the primary polishing is ended when the current between the wire 4 and the cathode goes zero or close to zero. Next, the wire 4 after the primary polishing is again immersed in the liquid 2 and while the wire 4 and the liquid level are being vertically moved 0.5W5.0mm relative to each other, the end part is electrolytically polished in the same manner as that in the primary polishing. In this case, the voltage is applied until the current flowing from the wire 4 goes zero. The worked product obtained by this is used for needles for acupuncture or the like.
COPYRIGHT: (C)1981,JPO&Japio
JP6203180A 1980-05-10 1980-05-10 Method for working tip of needle of gold alloy needle by electrolytic polishing Pending JPS56158898A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6203180A JPS56158898A (en) 1980-05-10 1980-05-10 Method for working tip of needle of gold alloy needle by electrolytic polishing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6203180A JPS56158898A (en) 1980-05-10 1980-05-10 Method for working tip of needle of gold alloy needle by electrolytic polishing

Publications (1)

Publication Number Publication Date
JPS56158898A true JPS56158898A (en) 1981-12-07

Family

ID=13188382

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6203180A Pending JPS56158898A (en) 1980-05-10 1980-05-10 Method for working tip of needle of gold alloy needle by electrolytic polishing

Country Status (1)

Country Link
JP (1) JPS56158898A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103226074A (en) * 2013-03-15 2013-07-31 北京工业大学 Cu-Ni alloy electro-polishing method used for EBSD test
CN109909569A (en) * 2019-04-23 2019-06-21 中南大学 A kind of processing method and device of high-precision micropore
CN113186588A (en) * 2021-04-06 2021-07-30 南京理工大学 Automatic intelligent polishing equipment for preparing metal nanometer needle point sample

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103226074A (en) * 2013-03-15 2013-07-31 北京工业大学 Cu-Ni alloy electro-polishing method used for EBSD test
CN109909569A (en) * 2019-04-23 2019-06-21 中南大学 A kind of processing method and device of high-precision micropore
CN113186588A (en) * 2021-04-06 2021-07-30 南京理工大学 Automatic intelligent polishing equipment for preparing metal nanometer needle point sample

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