JPS6445521A - Electric discharge machining method - Google Patents

Electric discharge machining method

Info

Publication number
JPS6445521A
JPS6445521A JP20393387A JP20393387A JPS6445521A JP S6445521 A JPS6445521 A JP S6445521A JP 20393387 A JP20393387 A JP 20393387A JP 20393387 A JP20393387 A JP 20393387A JP S6445521 A JPS6445521 A JP S6445521A
Authority
JP
Japan
Prior art keywords
finishing
fixed
rough working
electric discharge
discharge machining
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
JP20393387A
Other languages
Japanese (ja)
Inventor
Takao Yazawa
Susumu Matsumoto
Haruo Ishii
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.)
Honda Motor Co Ltd
Minebea SoftwareSolutions Inc
Original Assignee
Honda Motor Co Ltd
Honda Engineering Co Ltd
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 Honda Motor Co Ltd, Honda Engineering Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP20393387A priority Critical patent/JPS6445521A/en
Publication of JPS6445521A publication Critical patent/JPS6445521A/en
Pending legal-status Critical Current

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

Abstract

PURPOSE:To perform high accuracy electric discharge machining for a short time by supplying first large current to a rough working electrode in incombustible liquid for rough working and then supplying small current to a finishing electrode in combustible fluid for finishing. CONSTITUTION:A male mold blank Wm and female mold blank Wf are fixed to a workpiece support plate 3 and male and female mold rough working electrodes 6, 7 are fixed on an electrode support plate 5 so that a working tank 2 is filled with incombustible fluid 8 and about 200-800A of large current is supplied for rough working by in-liquid discharge. Then, said blanks Wm, Wf after the completion of rough working are fixed on said plate 5, and male and female mold finishing electrodes 16, 17 are fixed on said plate 5 so that said tank 2 is filled with combustible fluid 18 and about 50A of small current is applied for finishing by in-liquid discharge. Thus, high accuracy and satisfactory surface roughness electric discharge machining can be carried out for a relatively short time.
JP20393387A 1987-08-17 1987-08-17 Electric discharge machining method Pending JPS6445521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20393387A JPS6445521A (en) 1987-08-17 1987-08-17 Electric discharge machining method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20393387A JPS6445521A (en) 1987-08-17 1987-08-17 Electric discharge machining method

Publications (1)

Publication Number Publication Date
JPS6445521A true JPS6445521A (en) 1989-02-20

Family

ID=16482094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20393387A Pending JPS6445521A (en) 1987-08-17 1987-08-17 Electric discharge machining method

Country Status (1)

Country Link
JP (1) JPS6445521A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06133589A (en) * 1992-10-16 1994-05-13 Mitsubishi Electric Corp Boiler water supply control device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156131A (en) * 1981-03-17 1982-09-27 Sodeitsuku:Kk Electric discharge machining method and device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156131A (en) * 1981-03-17 1982-09-27 Sodeitsuku:Kk Electric discharge machining method and device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06133589A (en) * 1992-10-16 1994-05-13 Mitsubishi Electric Corp Boiler water supply control device

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