DE69305187D1 - Entladungsdetektor - Google Patents

Entladungsdetektor

Info

Publication number
DE69305187D1
DE69305187D1 DE69305187T DE69305187T DE69305187D1 DE 69305187 D1 DE69305187 D1 DE 69305187D1 DE 69305187 T DE69305187 T DE 69305187T DE 69305187 T DE69305187 T DE 69305187T DE 69305187 D1 DE69305187 D1 DE 69305187D1
Authority
DE
Germany
Prior art keywords
discharge detector
detector
discharge
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 - Lifetime
Application number
DE69305187T
Other languages
English (en)
Other versions
DE69305187T2 (de
Inventor
Akihiro Goto
Yoshio Ozaki
Atsushi Taneda
Tatsushi Sato
Yoshihito Imai
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
Priority claimed from JP4311963A external-priority patent/JP2858515B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69305187D1 publication Critical patent/DE69305187D1/de
Publication of DE69305187T2 publication Critical patent/DE69305187T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B23H1/024—Detection of, and response to, abnormal gap conditions, e.g. short circuits
    • 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
    • B23H7/14—Electric circuits specially adapted therefor, e.g. power supply
    • B23H7/16—Electric circuits specially adapted therefor, e.g. power supply for preventing short circuits or other abnormal discharges by altering machining parameters using adaptive control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
DE69305187T 1992-01-07 1993-01-05 Entladungsdetektor Expired - Lifetime DE69305187T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP78692 1992-01-07
JP2971192 1992-02-17
JP4311963A JP2858515B2 (ja) 1992-01-07 1992-11-20 放電加工方法及びその装置

Publications (2)

Publication Number Publication Date
DE69305187D1 true DE69305187D1 (de) 1996-11-14
DE69305187T2 DE69305187T2 (de) 1997-03-20

Family

ID=27274601

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69328443T Expired - Lifetime DE69328443T2 (de) 1992-01-07 1993-01-05 Vorrichtung zum Funkenerosionsbearbeiten
DE69322290T Expired - Lifetime DE69322290T2 (de) 1992-01-07 1993-01-05 Verfahren und Vorrichtung zum Funkenerosionsbearbeiten
DE69305187T Expired - Lifetime DE69305187T2 (de) 1992-01-07 1993-01-05 Entladungsdetektor

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69328443T Expired - Lifetime DE69328443T2 (de) 1992-01-07 1993-01-05 Vorrichtung zum Funkenerosionsbearbeiten
DE69322290T Expired - Lifetime DE69322290T2 (de) 1992-01-07 1993-01-05 Verfahren und Vorrichtung zum Funkenerosionsbearbeiten

Country Status (3)

Country Link
US (1) US5496984A (de)
EP (1) EP0551091B1 (de)
DE (3) DE69328443T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3293416B2 (ja) * 1994-08-09 2002-06-17 三菱電機株式会社 放電加工機の放電状態検出装置
JP3223723B2 (ja) * 1994-09-20 2001-10-29 三菱電機株式会社 ワイヤ放電加工装置及びその制御方法
JP3575087B2 (ja) * 1994-12-07 2004-10-06 三菱電機株式会社 放電加工装置
DE19512291C2 (de) * 1995-04-05 1998-08-27 Behrens Arno Prof Dr Ing Verfahren und Schaltung zur Überwachung und Vorhersage des Verlaufs eines Funkenerodierprozesses
JP3528400B2 (ja) * 1996-03-05 2004-05-17 三菱電機株式会社 放電加工装置および放電加工方法
EA001606B1 (ru) * 1998-01-12 2001-06-25 Конинклейке Филипс Электроникс Н.В. Электрохимическая обработка материалов
US6850874B1 (en) * 1998-04-17 2005-02-01 United Technologies Corporation Method and apparatus for predicting a characteristic of a product attribute formed by a machining process using a model of the process
DE19882531B4 (de) * 1998-05-08 2004-07-08 Mitsubishi Denki K.K. Positioniereinrichtung für eine elektrische Entladungsmaschine und zugehöriges Verfahren
WO2004034070A1 (en) * 2002-10-10 2004-04-22 Hanyang Hak Won Co., Ltd. Hybrid type sensor for detecting high frequency partial discharge
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
JP4833198B2 (ja) * 2006-10-20 2011-12-07 三菱電機株式会社 放電加工機の電源制御装置
DE112006004049B4 (de) * 2006-10-20 2010-06-17 Mitsubishi Electric Corp. Leistungsversorgungssteuereinheit für eine Funkenerosionsbearbeitungsvorrichtung
DE602006006457D1 (de) * 2006-11-06 2009-06-04 Agie Sa Verfahren und Vorrichtung zum Funkenerosionsbearbeiten
US8415581B2 (en) * 2008-02-06 2013-04-09 Mitsubishi Electric Corporation Power source controller of electrical discharge machine
CN102151921B (zh) * 2010-02-12 2013-06-12 财团法人工业技术研究院 放电电源控制方法与装置
JP5073797B2 (ja) * 2010-08-26 2012-11-14 ファナック株式会社 加工状態を検出するワイヤ放電加工機
DE112011105907B4 (de) 2011-12-02 2020-03-12 Mitsubishi Electric Corporation Steuervorrichtung zum steuern einer elektrischen entladungsmaschine
CN103796785B (zh) 2012-07-25 2016-03-02 三菱电机株式会社 放电加工装置
US10259062B2 (en) * 2013-02-04 2019-04-16 Anca Pty Ltd Pulse and gap control for electrical discharge machining equipment
TWI562252B (en) * 2014-02-17 2016-12-11 Shinkawa Kk Detecting discharging device, wire bonding device and detecting discharging method
JP6105548B2 (ja) * 2014-12-12 2017-03-29 ファナック株式会社 干渉回避位置決め機能を備えた数値制御装置
JP6022125B1 (ja) 2015-10-20 2016-11-09 三菱電機株式会社 放電加工機
JP6385598B1 (ja) * 2017-04-11 2018-09-05 三菱電機株式会社 放電加工機の電源制御装置
US11084112B2 (en) 2018-05-31 2021-08-10 Johnson Technology, Inc. Electrical discharge machine time slice power supply
TWI767550B (zh) * 2021-02-03 2022-06-11 精呈科技股份有限公司 精加工之放電波寬調變方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864541A (en) * 1969-03-13 1975-02-04 Inoue K System for the controlling of an apparatus for the electric discharge machining etc.
US3997753A (en) * 1969-03-17 1976-12-14 Inoue K Control system and method for electric discharge machining (EDM) using a predetermined portion of each discharge pulse for monitoring
NL7008914A (de) * 1970-06-18 1971-12-21
US3705286A (en) * 1971-01-21 1972-12-05 Iwao Kondo Electric discharge machining device
NL7116823A (de) * 1971-12-08 1973-06-13
US3973104A (en) * 1972-08-17 1976-08-03 A.G. Fur Industrielle Elektronik Agie Losone B. Locarno Apparatus for regulating an electric discharge machining gap
JPS5622647B2 (de) * 1973-05-01 1981-05-26
CH585608A5 (de) * 1973-12-04 1977-03-15 Deckel Ag Friedrich
US4071729A (en) * 1976-01-19 1978-01-31 Colt Industries Operating Corporation Adaptive control system and method for electrical discharge machining
US4236057A (en) * 1976-12-14 1980-11-25 Inoue-Japax Research Incorporated Apparatus for detecting gap conditions in EDM processes with monitoring pulses
JPS6031609B2 (ja) * 1977-05-19 1985-07-23 株式会社井上ジャパックス研究所 放電加工方法
GB1604399A (en) * 1977-12-13 1981-12-09 Nat Res Dev Methods for monitoring electrical discharge machining and apparatus for such machining
EP0009928B1 (de) * 1978-09-26 1983-06-22 National Research Development Corporation Lichtbogendetektor für die Elektroerosionsbearbeitung
US4338504A (en) * 1979-08-28 1982-07-06 Pacific Controls Incorporated Arc prevention and detection electrical discharge machine servo control system
US4367400A (en) * 1980-06-25 1983-01-04 Otto Mark S Device for automatic control of electro-erosion machine
US4322595A (en) * 1980-07-29 1982-03-30 National Research Development Corporation Arc monitor for electrical discharge machining
GB2115585B (en) * 1982-02-26 1985-12-04 Hitachi Seiko Limited Electric discharge machining apparatus
CH661228A5 (de) * 1982-08-02 1987-07-15 Mitsubishi Electric Corp Funkenerosionsmaschine mit einer elektrode zum bearbeiten eines werkstueckes.
JPS59192421A (ja) * 1983-04-15 1984-10-31 Mitsubishi Electric Corp 放電加工方法
JPS60161029A (ja) * 1984-02-01 1985-08-22 Nec Corp 放電間隙検出回路
JPS6144530A (ja) * 1984-08-08 1986-03-04 Amada Co Ltd 放電加工装置
JPS6156829A (ja) * 1984-08-27 1986-03-22 Amada Co Ltd 放電加工装置の加工条件設定方法
GB2171822B (en) * 1984-10-05 1988-02-24 Amada Co Ltd Method and apparatus for controlling an electric discharge machine
JPS6274531A (ja) * 1985-09-27 1987-04-06 Naotake Mori ワイヤカツト放電加工におけるワイヤ電極断線予知方法
DE3622520A1 (de) * 1986-07-04 1988-01-07 Deckel Ag Friedrich Verfahren und einrichtung zur ueberwachung eines funkenerodier-prozesses in einer funkenerodiermaschine
JPS63156618A (ja) * 1986-12-22 1988-06-29 Hoden Seimitsu Kako Kenkyusho Ltd 放電加工装置
JP2565906B2 (ja) * 1987-06-30 1996-12-18 株式会社東芝 放電加工装置
JP2564389B2 (ja) * 1989-02-08 1996-12-18 株式会社牧野フライス製作所 放電加工方法及び装置

Also Published As

Publication number Publication date
DE69305187T2 (de) 1997-03-20
DE69322290D1 (de) 1999-01-07
DE69328443T2 (de) 2000-09-14
EP0551091B1 (de) 1996-10-09
US5496984A (en) 1996-03-05
DE69328443D1 (de) 2000-05-25
DE69322290T2 (de) 1999-05-20
EP0551091A1 (de) 1993-07-14

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8320 Willingness to grant licences declared (paragraph 23)
R071 Expiry of right

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