JPS57184631A - Power source unit for electrical discharge machining - Google Patents

Power source unit for electrical discharge machining

Info

Publication number
JPS57184631A
JPS57184631A JP6734881A JP6734881A JPS57184631A JP S57184631 A JPS57184631 A JP S57184631A JP 6734881 A JP6734881 A JP 6734881A JP 6734881 A JP6734881 A JP 6734881A JP S57184631 A JPS57184631 A JP S57184631A
Authority
JP
Japan
Prior art keywords
pulses
transformer
high frequency
power
discharge machining
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.)
Granted
Application number
JP6734881A
Other languages
Japanese (ja)
Other versions
JPH0248373B2 (en
Inventor
Kiyoshi Inoue
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.)
INOUE JAPAX KENKYUSHO KK
Inoue Japax Research Inc
Original Assignee
INOUE JAPAX KENKYUSHO KK
Inoue Japax Research Inc
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 INOUE JAPAX KENKYUSHO KK, Inoue Japax Research Inc filed Critical INOUE JAPAX KENKYUSHO KK
Priority to JP6734881A priority Critical patent/JPS57184631A/en
Priority to US06/351,532 priority patent/US4453069A/en
Priority to GB8205552A priority patent/GB2097708B/en
Priority to IT47920/82A priority patent/IT1148501B/en
Priority to FR8203962A priority patent/FR2504834B1/en
Priority to DE19823208673 priority patent/DE3208673A1/en
Publication of JPS57184631A publication Critical patent/JPS57184631A/en
Publication of JPH0248373B2 publication Critical patent/JPH0248373B2/ja
Granted 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
    • B23H1/022—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for shaping the discharge pulse train

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

PURPOSE:To reduce power loss and obtain a smaller-sized and more effective unit by turning on and off a d-c power source in the previous stage of transformer, thus basically completing a row of voltage pulses for electrical discharge machining and making a switching element smaller together with facilitating its control. CONSTITUTION:An A-C power 3 is rectified and made into direct current by a rectifier 4. Switching elements 7 through 10 are controlled by a control circuit 11 so as to produce bypolar pulses of high frequency and enters a transformer 17. A plurality of high frequency unit pulses assemble and form into working pulses, while a reset period is provided between those working pulses. The output of the transformer 17 is all rectified, and formed into unipolar working pulses which are applied to an electrode 1 and a work piece 2. As described the above, the direct current is made into a high frequency unit pulse and then is transformed. Therefore, power loss is reduced. The unit pulse also makes it possible to finish a work piece with low consumption of power.
JP6734881A 1981-05-02 1981-05-02 Power source unit for electrical discharge machining Granted JPS57184631A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP6734881A JPS57184631A (en) 1981-05-02 1981-05-02 Power source unit for electrical discharge machining
US06/351,532 US4453069A (en) 1981-05-02 1982-02-23 EDM Pulse forming circuit arrangement and method
GB8205552A GB2097708B (en) 1981-05-02 1982-02-25 Electrical discharge machining power supply method and apparatus
IT47920/82A IT1148501B (en) 1981-05-02 1982-03-04 METHOD AND CIRCUIT DEVICE FOR THE FORMATION OF ELECTRIC DISCHARGE WORKING PULSES
FR8203962A FR2504834B1 (en) 1981-05-02 1982-03-09 METHOD AND CIRCUIT FOR FORMING PULSES OF MACHINING BY ELECTRIC SHOCK
DE19823208673 DE3208673A1 (en) 1981-05-02 1982-03-10 METHOD AND ARRANGEMENT FOR PRODUCING A RANGE OF DISCRETE, TIME-DISTANT ELECTRICAL DISCHARGES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6734881A JPS57184631A (en) 1981-05-02 1981-05-02 Power source unit for electrical discharge machining

Publications (2)

Publication Number Publication Date
JPS57184631A true JPS57184631A (en) 1982-11-13
JPH0248373B2 JPH0248373B2 (en) 1990-10-24

Family

ID=13342418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6734881A Granted JPS57184631A (en) 1981-05-02 1981-05-02 Power source unit for electrical discharge machining

Country Status (1)

Country Link
JP (1) JPS57184631A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678885A (en) * 1984-05-11 1987-07-07 Ag Fur Industrielle Elektronik Agie Losone B. Locarno Power supply circuit for spark erosion
US4713516A (en) * 1984-05-11 1987-12-15 Ag Fur Industrielle Elektronik Agie Losone B. Locarno Pulse generator for spark erosive metal working

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459696A (en) * 1977-10-19 1979-05-14 Inoue Japax Res Inc Electric discharge machining method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459696A (en) * 1977-10-19 1979-05-14 Inoue Japax Res Inc Electric discharge machining method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678885A (en) * 1984-05-11 1987-07-07 Ag Fur Industrielle Elektronik Agie Losone B. Locarno Power supply circuit for spark erosion
US4713516A (en) * 1984-05-11 1987-12-15 Ag Fur Industrielle Elektronik Agie Losone B. Locarno Pulse generator for spark erosive metal working

Also Published As

Publication number Publication date
JPH0248373B2 (en) 1990-10-24

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