KR0119480B1 - Electrical discharge machine with an opposite polarity voltage applied during an electrode jump operation - Google Patents

Electrical discharge machine with an opposite polarity voltage applied during an electrode jump operation

Info

Publication number
KR0119480B1
KR0119480B1 KR94015255A KR19940015255A KR0119480B1 KR 0119480 B1 KR0119480 B1 KR 0119480B1 KR 94015255 A KR94015255 A KR 94015255A KR 19940015255 A KR19940015255 A KR 19940015255A KR 0119480 B1 KR0119480 B1 KR 0119480B1
Authority
KR
South Korea
Prior art keywords
voltage applied
opposite polarity
applied during
electrical discharge
discharge machine
Prior art date
Application number
KR94015255A
Other languages
English (en)
Other versions
KR950000279A (ko
Inventor
Akihiro Gato
Mitsuyoshi Wada
Yoshio Ozaki
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
Publication of KR950000279A publication Critical patent/KR950000279A/ko
Application granted granted Critical
Publication of KR0119480B1 publication Critical patent/KR0119480B1/ko

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
    • B23H11/00—Auxiliary apparatus or details, not otherwise provided for
    • 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
    • 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
    • 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
    • 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
    • B23H1/08—Working media
    • 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
    • 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
    • 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

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)
KR94015255A 1993-06-30 1994-06-29 Electrical discharge machine with an opposite polarity voltage applied during an electrode jump operation KR0119480B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5162725A JP2914102B2 (ja) 1993-06-30 1993-06-30 放電加工機
JP93-162725 1993-06-30

Publications (2)

Publication Number Publication Date
KR950000279A KR950000279A (ko) 1995-01-03
KR0119480B1 true KR0119480B1 (en) 1997-10-17

Family

ID=15760093

Family Applications (1)

Application Number Title Priority Date Filing Date
KR94015255A KR0119480B1 (en) 1993-06-30 1994-06-29 Electrical discharge machine with an opposite polarity voltage applied during an electrode jump operation

Country Status (6)

Country Link
US (7) US5753882A (ko)
JP (1) JP2914102B2 (ko)
KR (1) KR0119480B1 (ko)
CN (1) CN1080615C (ko)
CH (2) CH688544A5 (ko)
DE (1) DE4422967C2 (ko)

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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
JP3347277B2 (ja) * 1997-08-11 2002-11-20 ファナック株式会社 放電加工機の放電加工電源装置
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WO2003106088A1 (ja) * 2002-06-12 2003-12-24 三菱電機株式会社 ワイヤ放電加工機の加工電源装置
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JP4543754B2 (ja) * 2004-05-31 2010-09-15 トヨタ自動車株式会社 放電リアクタ用の電源方法
JP5045104B2 (ja) * 2004-10-27 2012-10-10 三菱電機株式会社 放電加工用電源装置及び細穴放電加工装置
JP2006138737A (ja) * 2004-11-12 2006-06-01 Fanuc Ltd 比抵抗検出器及び比抵抗検出装置
DE102004060290A1 (de) * 2004-12-15 2006-06-22 Robert Bosch Gmbh Verfahren zum Bearbeiten eines Werkstücks
JP4444303B2 (ja) * 2007-03-22 2010-03-31 株式会社ソディック 放電発生検出方法及び装置
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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
JP5088975B2 (ja) * 2010-10-19 2012-12-05 株式会社ソディック ワイヤ放電加工装置
JP5382171B2 (ja) * 2012-07-19 2014-01-08 三菱電機株式会社 ワイヤ放電加工装置
TWI441208B (zh) * 2012-08-08 2014-06-11 Leadtrend Tech Corp 產生變壓器的可變採樣延遲時間的採樣維持電路及其方法
JP5689499B2 (ja) * 2013-05-17 2015-03-25 ファナック株式会社 防錆機能を有するワイヤ放電加工機
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
JP6022125B1 (ja) * 2015-10-20 2016-11-09 三菱電機株式会社 放電加工機
KR20160140518A (ko) 2016-06-15 2016-12-07 주식회사 지티엠 비디오 포토 앨범
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
CN112828403B (zh) * 2020-12-30 2022-05-03 山东豪迈机械科技股份有限公司 电火花加工放电状态检测电路及方法
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

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Also Published As

Publication number Publication date
DE4422967A1 (de) 1995-01-12
DE4422967C2 (de) 1999-03-18
US5753882A (en) 1998-05-19
CH692842A5 (de) 2002-11-29
JPH079257A (ja) 1995-01-13
US5828027A (en) 1998-10-27
US5603852A (en) 1997-02-18
KR950000279A (ko) 1995-01-03
US5681488A (en) 1997-10-28
US5869797A (en) 1999-02-09
JP2914102B2 (ja) 1999-06-28
US5919381A (en) 1999-07-06
CH688544A5 (de) 1997-11-14
US5698115A (en) 1997-12-16
CN1080615C (zh) 2002-03-13
CN1100981A (zh) 1995-04-05

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