KR900008501B1 - 방전가공 장치에 있어서의 천공확인 장치 - Google Patents

방전가공 장치에 있어서의 천공확인 장치 Download PDF

Info

Publication number
KR900008501B1
KR900008501B1 KR1019870700062A KR870070062A KR900008501B1 KR 900008501 B1 KR900008501 B1 KR 900008501B1 KR 1019870700062 A KR1019870700062 A KR 1019870700062A KR 870070062 A KR870070062 A KR 870070062A KR 900008501 B1 KR900008501 B1 KR 900008501B1
Authority
KR
South Korea
Prior art keywords
machining
detecting
signal
processing
current
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
KR1019870700062A
Other languages
English (en)
Korean (ko)
Other versions
KR870700430A (ko
Inventor
하루끼 오바라
Original Assignee
후아낙크 가부시끼가이샤
이나바 세이우에몽
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 후아낙크 가부시끼가이샤, 이나바 세이우에몽 filed Critical 후아낙크 가부시끼가이샤
Publication of KR870700430A publication Critical patent/KR870700430A/ko
Application granted granted Critical
Publication of KR900008501B1 publication Critical patent/KR900008501B1/ko
Expired legal-status Critical Current

Links

Images

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
    • B23H1/02—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
KR1019870700062A 1985-05-30 1986-05-29 방전가공 장치에 있어서의 천공확인 장치 Expired KR900008501B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP60115219A JPS61274813A (ja) 1985-05-30 1985-05-30 放電加工装置における孔明き確認装置
JP60-115219 1985-05-30
PCT/JP1986/000270 WO1986006995A1 (fr) 1985-05-30 1986-05-29 Dispositif pour confirmer la formation de trous dans un appareil d'usinage par decharge electrique

Publications (2)

Publication Number Publication Date
KR870700430A KR870700430A (ko) 1987-12-29
KR900008501B1 true KR900008501B1 (ko) 1990-11-24

Family

ID=14657310

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870700062A Expired KR900008501B1 (ko) 1985-05-30 1986-05-29 방전가공 장치에 있어서의 천공확인 장치

Country Status (6)

Country Link
US (1) US4760233A (enExample)
EP (1) EP0222023B1 (enExample)
JP (1) JPS61274813A (enExample)
KR (1) KR900008501B1 (enExample)
DE (1) DE3680748D1 (enExample)
WO (1) WO1986006995A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4441055C1 (de) * 1994-11-17 1996-03-28 Agie Ag Fuer Ind Elektronik Verfahren und Vorrichtung zur Steuerung von Funkenerosionsprozessen
JP3382756B2 (ja) * 1995-07-31 2003-03-04 三菱電機株式会社 放電加工装置および放電加工方法
US5598075A (en) * 1995-09-13 1997-01-28 Industrial Technology Research Institute Servo control method and apparatus for discharging machine
JP3024541B2 (ja) * 1996-03-04 2000-03-21 株式会社デンソー 放電加工用電極送り装置
KR100343301B1 (ko) * 1996-09-25 2002-07-15 모리시타 요이찌 주파수-전압 변환 회로, 지연량 판정 회로, 주파수-전압 변환 회로를 구비한 시스템, 주파수-전압 변환 회로의 입출력 특성을 조정하는 방법 및 주파수-전압 변환 회로의 입출력 특성을 자동 조정하는 장치
US6723942B1 (en) * 2003-03-06 2004-04-20 Industrial Technology Research Institute Automatic breakthrough detection device
JP2007044813A (ja) * 2005-08-10 2007-02-22 Fanuc Ltd 放電加工装置
US9333577B2 (en) 2008-08-29 2016-05-10 General Electric Company Electro discharge machining apparatus and method
JP5349391B2 (ja) * 2010-03-30 2013-11-20 三菱電機株式会社 細穴放電加工機及び細穴放電加工方法
JP5549576B2 (ja) * 2010-12-20 2014-07-16 株式会社デンソー 電解加工方法および電解加工装置
US8710392B2 (en) * 2011-06-29 2014-04-29 United Technologies Corporation Electric discharge machining hole drilling
DE112012005873B4 (de) * 2012-02-17 2016-08-25 Mitsubishi Electric Corporation Funkenerodiermaschine und elektrisches Funkenerodierverfahren

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5049797A (enExample) * 1973-09-03 1975-05-02
GB1583442A (en) * 1976-04-15 1981-01-28 Rolls Royce Method of and apparatus for controlling an electro-discharge drilling machine tool
JPS5721227A (en) * 1980-07-09 1982-02-03 Sodeitsuku:Kk Electrical discharge machining level position detector
US4415791A (en) * 1981-02-13 1983-11-15 Mitsubishi Denki Kabushiki Kaisha Breakthrough detection means for electric discharge machining apparatus
JPS57138541A (en) * 1981-02-13 1982-08-26 Mitsubishi Electric Corp Electric spark machining device
JP2766567B2 (ja) * 1991-08-28 1998-06-18 シャープ株式会社 電気衣類乾燥機

Also Published As

Publication number Publication date
EP0222023A4 (en) 1988-09-07
KR870700430A (ko) 1987-12-29
JPH0479769B2 (enExample) 1992-12-16
US4760233A (en) 1988-07-26
WO1986006995A1 (fr) 1986-12-04
JPS61274813A (ja) 1986-12-05
DE3680748D1 (de) 1991-09-12
EP0222023B1 (en) 1991-08-07
EP0222023A1 (en) 1987-05-20

Similar Documents

Publication Publication Date Title
KR900008501B1 (ko) 방전가공 장치에 있어서의 천공확인 장치
KR880000183A (ko) 방전 가공 장치
US5170026A (en) Method and apparatus for positioning first and second objects based on a potential difference
US4366360A (en) Method of and apparatus for determining relative position of a tool member to a workpiece in a machine tool
US4510367A (en) Wire-cut electric discharge machine
EP0159109A1 (en) Apparatus for detecting discharge gap in electric discharge machining
US5637240A (en) Electrical discharge machining method and electrical discharge machining apparatus
US3857011A (en) Method and apparatus for controlling electrical discharge shaping
US4521660A (en) EDM Feed motor control method and system
US3699301A (en) Edm gap sensing
JP3375500B2 (ja) 放電加工方法および放電加工装置
JPS6325889B2 (enExample)
SU1371786A1 (ru) Устройство дл контрол износа режущей кромки инструмента
JPH0242612B2 (enExample)
JP2767882B2 (ja) 放電加工機
JPS63318210A (ja) 放電加工機の制御装置
US3270262A (en) Maximum error signal detector for a servo control and a circuit override responsive thereto
JP2578999B2 (ja) 放電加工装置
JPS6161889B2 (enExample)
EP0696488B1 (en) A power supply apparatus for electrical discharge machining and an electrical discharge interval control method using the power supply apparatus
JPS6210769B2 (enExample)
JPH0398488A (ja) 電動式パワーステアリングモータの温度検出装置
JPH0457454B2 (enExample)
JPH0413083B2 (enExample)
JPH04122521A (ja) 放電加工装置

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1605 Publication of application before grant of patent

St.27 status event code: A-2-2-Q10-Q13-nap-PG1605

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 19941125

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 19941125

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000