SK134493A3 - Electric sparking discharge machine - Google Patents

Electric sparking discharge machine Download PDF

Info

Publication number
SK134493A3
SK134493A3 SK1344-93A SK134493A SK134493A3 SK 134493 A3 SK134493 A3 SK 134493A3 SK 134493 A SK134493 A SK 134493A SK 134493 A3 SK134493 A3 SK 134493A3
Authority
SK
Slovakia
Prior art keywords
source
current
voltage
output
discharge machine
Prior art date
Application number
SK1344-93A
Other languages
English (en)
Slovak (sk)
Inventor
Martin Randall
Taibali Dossaji
Gordon J Pocock
Original Assignee
Hurco Holdings Ltd
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 Hurco Holdings Ltd filed Critical Hurco Holdings Ltd
Publication of SK134493A3 publication Critical patent/SK134493A3/sk

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)
  • Generation Of Surge Voltage And Current (AREA)
SK1344-93A 1991-05-31 1992-05-29 Electric sparking discharge machine SK134493A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919111719A GB9111719D0 (en) 1991-05-31 1991-05-31 Electric spark discharge machine
PCT/GB1992/000977 WO1992021475A1 (fr) 1991-05-31 1992-05-29 Appareil a decharge d'etincelles electriques

Publications (1)

Publication Number Publication Date
SK134493A3 true SK134493A3 (en) 1994-08-10

Family

ID=10695866

Family Applications (1)

Application Number Title Priority Date Filing Date
SK1344-93A SK134493A3 (en) 1991-05-31 1992-05-29 Electric sparking discharge machine

Country Status (9)

Country Link
EP (1) EP0587691A1 (fr)
JP (1) JPH06507843A (fr)
AU (1) AU1905892A (fr)
CA (1) CA2109569A1 (fr)
CZ (1) CZ251593A3 (fr)
GB (1) GB9111719D0 (fr)
HU (1) HU9303391D0 (fr)
SK (1) SK134493A3 (fr)
WO (1) WO1992021475A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4326982C1 (de) * 1993-08-11 1995-02-09 Alcan Gmbh Verfahren und Vorrichtung zur Herstellung von Formteilen aus Metallschaum
DE102008000100B4 (de) 2008-01-18 2013-10-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung eines leichtgewichtigen Grünkörpers, danach hergestellter leichtgewichtiger Grünkörper und Verfahren zur Herstellung eines leichtgewichtigen Formkörpers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2069862A1 (fr) * 1969-11-19 1971-09-10 Amsted Indust Inc
CH613142A5 (fr) * 1977-02-23 1979-09-14 Charmilles Sa Ateliers
US4443682A (en) * 1981-10-26 1984-04-17 Colt Industries Operating Corp Superimposed high striking voltage power supply circuit for electrical discharge machining
DE3919123A1 (de) * 1989-06-12 1990-12-13 Aeg Elotherm Gmbh Funkenerosionsgenerator mit zuendueberlagerung und brueckenschaltung

Also Published As

Publication number Publication date
CZ251593A3 (en) 1995-03-15
HU9303391D0 (en) 1994-03-28
AU1905892A (en) 1993-01-08
GB9111719D0 (en) 1991-07-24
CA2109569A1 (fr) 1992-12-10
WO1992021475A1 (fr) 1992-12-10
JPH06507843A (ja) 1994-09-08
EP0587691A1 (fr) 1994-03-23

Similar Documents

Publication Publication Date Title
RU2220035C1 (ru) Система и способ управления установкой для электродуговой сварки
US3064174A (en) Motor speed control circuits
US5479086A (en) Process and device for reducing the inrush current when powering aninductive load
KR940020653A (ko) 용접용 인버터 전원 장치
US3330933A (en) Controlled rectifier welding power source
JPH0761568B2 (ja) 放電加工装置の波形制御装置
US4392172A (en) Reactive snubber for inductive load clamp diodes
KR850008636A (ko) 금속 방전 가공용 펄스 발생기
CN1123531A (zh) 放电加工机床用电源系统
RU2212098C2 (ru) Устройство и способ защиты полупроводникового ключа от короткого замыкания
US5517380A (en) Method and apparatus for avoiding power-up current surge
JP2652392B2 (ja) 放電加工電源
SK134493A3 (en) Electric sparking discharge machine
US4978829A (en) Electric discharge machining power supply circuit
Mysinski Power supply unit for an electric discharge machine
US3350538A (en) Programmed welding with controlled rectifier welding power source
RU96116577A (ru) Способ переключения ответвлений обмотки трансформатора и устройство для его осуществления
JPH0120013B2 (fr)
RU2157303C1 (ru) Устройство для электросварки с безопасным напряжением холостого хода и повышенной устойчивостью поджога и горения сварочной дуги
US3671713A (en) Arc spot weld control and power supply
US4266148A (en) Fast closing switch system
JPS6365432B2 (fr)
SU941093A1 (ru) Способ управлени сварочным током
US3549850A (en) Control circuit for electric discharge machining apparatus
SU1078552A1 (ru) Способ управлени высоковольтным тиристорным вентилем