JPS57211428A - Electric discharge machine - Google Patents

Electric discharge machine

Info

Publication number
JPS57211428A
JPS57211428A JP9617981A JP9617981A JPS57211428A JP S57211428 A JPS57211428 A JP S57211428A JP 9617981 A JP9617981 A JP 9617981A JP 9617981 A JP9617981 A JP 9617981A JP S57211428 A JPS57211428 A JP S57211428A
Authority
JP
Japan
Prior art keywords
wire electrode
moving distance
values
work
face
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
JP9617981A
Other languages
Japanese (ja)
Inventor
Yozo Sakai
Takeshi Yatomi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP9617981A priority Critical patent/JPS57211428A/en
Publication of JPS57211428A publication Critical patent/JPS57211428A/en
Pending 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
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/02—Wire-cutting
    • B23H7/04—Apparatus for supplying current to working gap; Electric circuits specially adapted therefor

Abstract

PURPOSE:To shorten offset processing time in such a way that, when moving distance of the wire electrode is made shorter or longer than the actual one in keeping with non-parallelism of the working end face and the wire electrode, an offset value is automatically decided by adding and/or subtracting correction values. CONSTITUTION:In case where a work 1 and a wire electrode 2 become short- circuit condition, input power v0 in a limit circuit 11 will be 0V, and its output voltage v1 will be 0V. And the condition of the work 1 and the wire electrode 2 is recognized if it is contact or non-contact by means of having these values given as input to a computer part 7. When roughness on the machining face of the work 1 is large, or the wire electrode 2 ovepasses the working end face, further it is bent and moved to the left, and the moving distance of the wire electrode 2 is made shorter or larger than the actual one, the determined compensating value K is adjusted in its moving distance, so that it can be made into a value equivalent to the normal moving distance between the machining end faces, and offset values are computed. On the basis of these values, offset processing is done for automatically forming into the desired machining shape.
JP9617981A 1981-06-22 1981-06-22 Electric discharge machine Pending JPS57211428A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9617981A JPS57211428A (en) 1981-06-22 1981-06-22 Electric discharge machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9617981A JPS57211428A (en) 1981-06-22 1981-06-22 Electric discharge machine

Publications (1)

Publication Number Publication Date
JPS57211428A true JPS57211428A (en) 1982-12-25

Family

ID=14158089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9617981A Pending JPS57211428A (en) 1981-06-22 1981-06-22 Electric discharge machine

Country Status (1)

Country Link
JP (1) JPS57211428A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07136855A (en) * 1993-11-12 1995-05-30 Mitsubishi Electric Corp Wire electric discharge machining device
US20130277335A1 (en) * 2012-04-24 2013-10-24 Fanuc Corporation Contact detection apparatus for wire electrical discharge machne with capability to vary applied gap voltage
JP2016159417A (en) * 2015-03-05 2016-09-05 株式会社ディスコ Groove width measurement method for processing groove

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569132A (en) * 1979-06-26 1981-01-30 Mitsubishi Electric Corp Wire cut electric discharge machining method
JPS569131A (en) * 1979-06-26 1981-01-30 Mitsubishi Electric Corp Wire cut electric discharge machining method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569132A (en) * 1979-06-26 1981-01-30 Mitsubishi Electric Corp Wire cut electric discharge machining method
JPS569131A (en) * 1979-06-26 1981-01-30 Mitsubishi Electric Corp Wire cut electric discharge machining method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07136855A (en) * 1993-11-12 1995-05-30 Mitsubishi Electric Corp Wire electric discharge machining device
US20130277335A1 (en) * 2012-04-24 2013-10-24 Fanuc Corporation Contact detection apparatus for wire electrical discharge machne with capability to vary applied gap voltage
US9314859B2 (en) * 2012-04-24 2016-04-19 Fanuc Corporation Contact detection apparatus for wire electrical discharge machine with capability to vary applied gap voltage
JP2016159417A (en) * 2015-03-05 2016-09-05 株式会社ディスコ Groove width measurement method for processing groove

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