JP4437612B2 - 放電加工装置 - Google Patents

放電加工装置 Download PDF

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Publication number
JP4437612B2
JP4437612B2 JP2000354666A JP2000354666A JP4437612B2 JP 4437612 B2 JP4437612 B2 JP 4437612B2 JP 2000354666 A JP2000354666 A JP 2000354666A JP 2000354666 A JP2000354666 A JP 2000354666A JP 4437612 B2 JP4437612 B2 JP 4437612B2
Authority
JP
Japan
Prior art keywords
voltage
discharge
switch
voltage pulse
pulse
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 - Fee Related
Application number
JP2000354666A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002160128A (ja
JP2002160128A5 (enExample
Inventor
太一郎 民田
隆 橋本
昭弘 鈴木
明彦 岩田
淳 種田
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 JP2000354666A priority Critical patent/JP4437612B2/ja
Priority to US09/848,344 priority patent/US6630641B2/en
Priority to EP01116129A priority patent/EP1208934A3/en
Publication of JP2002160128A publication Critical patent/JP2002160128A/ja
Publication of JP2002160128A5 publication Critical patent/JP2002160128A5/ja
Application granted granted Critical
Publication of JP4437612B2 publication Critical patent/JP4437612B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • B23H1/022—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for shaping the discharge pulse train
    • 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
    • B23H2300/00—Power source circuits or energization
    • B23H2300/20—Relaxation circuit power supplies for supplying the machining current, e.g. capacitor or inductance energy storage circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
JP2000354666A 2000-11-21 2000-11-21 放電加工装置 Expired - Fee Related JP4437612B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000354666A JP4437612B2 (ja) 2000-11-21 2000-11-21 放電加工装置
US09/848,344 US6630641B2 (en) 2000-11-21 2001-05-04 Electric discharge machining apparatus generating preliminary discharge and machining discharge pulses
EP01116129A EP1208934A3 (en) 2000-11-21 2001-07-03 Electric discharge machining apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000354666A JP4437612B2 (ja) 2000-11-21 2000-11-21 放電加工装置

Publications (3)

Publication Number Publication Date
JP2002160128A JP2002160128A (ja) 2002-06-04
JP2002160128A5 JP2002160128A5 (enExample) 2007-06-21
JP4437612B2 true JP4437612B2 (ja) 2010-03-24

Family

ID=18827213

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000354666A Expired - Fee Related JP4437612B2 (ja) 2000-11-21 2000-11-21 放電加工装置

Country Status (3)

Country Link
US (1) US6630641B2 (enExample)
EP (1) EP1208934A3 (enExample)
JP (1) JP4437612B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112005000768T5 (de) * 2004-04-19 2007-03-01 Mitsubishi Denki K.K. Energieversorgungsvorrichtung für eine Elektroentladungsmaschine und Energieversorgungssteuerverfahren
JP5165061B2 (ja) * 2008-07-24 2013-03-21 三菱電機株式会社 放電加工装置、放電加工方法および半導体基板の製造方法
US9446465B2 (en) * 2012-10-30 2016-09-20 Mitsubishi Electric Corporation Wire electric-discharge machining apparatus
JP5739563B2 (ja) 2013-07-24 2015-06-24 ファナック株式会社 平均放電遅れ時間算出手段を備えたワイヤ放電加工機
JP5800923B2 (ja) * 2014-01-15 2015-10-28 ファナック株式会社 ワイヤ放電加工機の加工用電源装置
JP6514163B2 (ja) * 2016-09-01 2019-05-15 ファナック株式会社 ワイヤ放電加工機

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604885A (en) * 1968-07-05 1971-09-14 Inoue K Edm power supply for generating self-adaptive discharge pulses
US3825715A (en) * 1973-05-29 1974-07-23 Mitsubishi Electric Corp Process for controlling electrical discharge shaping
JPS56134131A (en) * 1980-03-19 1981-10-20 Hitachi Seiko Ltd Electric discharge machining apparatus
CH644290A5 (en) * 1981-08-27 1984-07-31 Charmilles Sa Ateliers Pulse generator for electrical discharge machining
US4892989A (en) * 1983-05-02 1990-01-09 Mitsubishi Denki Kabushiki Kaisha Discharge machining apparatus having means for distinguishing abnormal interelectrode gap conditions
JPS60123218A (ja) 1983-12-02 1985-07-01 Fanuc Ltd 放電加工電源
JP2630666B2 (ja) * 1990-05-30 1997-07-16 三菱電機株式会社 放電加工装置
JPH08108320A (ja) 1994-10-11 1996-04-30 Okuma Mach Works Ltd 放電加工制御装置
JP3645957B2 (ja) * 1995-12-28 2005-05-11 株式会社ソディック 放電加工方法及び装置
JP3627440B2 (ja) * 1997-05-14 2005-03-09 三菱電機株式会社 放電加工機
JP4152080B2 (ja) * 2000-12-01 2008-09-17 三菱電機株式会社 放電加工装置

Also Published As

Publication number Publication date
US6630641B2 (en) 2003-10-07
EP1208934A3 (en) 2006-01-25
JP2002160128A (ja) 2002-06-04
US20020060205A1 (en) 2002-05-23
EP1208934A2 (en) 2002-05-29

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