DE3881214D1 - Geraet fuer elektroentladungsbearbeitung. - Google Patents
Geraet fuer elektroentladungsbearbeitung.Info
- Publication number
- DE3881214D1 DE3881214D1 DE9090101481T DE3881214T DE3881214D1 DE 3881214 D1 DE3881214 D1 DE 3881214D1 DE 9090101481 T DE9090101481 T DE 9090101481T DE 3881214 T DE3881214 T DE 3881214T DE 3881214 D1 DE3881214 D1 DE 3881214D1
- Authority
- DE
- Germany
- Prior art keywords
- electric discharge
- discharge processing
- pulses
- voltage
- electrode
- 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
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
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/04—Treating surfaces of rolls
-
- 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
- B23H1/028—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for multiple gap machining
-
- 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
- B23H7/18—Electric circuits specially adapted therefor, e.g. power supply for maintaining or controlling the desired spacing between electrode and workpiece
-
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878706091A GB8706091D0 (en) | 1987-03-14 | 1987-03-14 | Electro-discharge machining apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3881214D1 true DE3881214D1 (de) | 1993-06-24 |
DE3881214T2 DE3881214T2 (de) | 1993-10-14 |
Family
ID=10613960
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE90101481T Expired - Fee Related DE3881214T2 (de) | 1987-03-14 | 1988-03-10 | Gerät für Elektroentladungsbearbeitung. |
DE8888302076T Expired - Lifetime DE3860853D1 (de) | 1987-03-14 | 1988-03-10 | Geraet fuer elektroentladungsbearbeitung. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888302076T Expired - Lifetime DE3860853D1 (de) | 1987-03-14 | 1988-03-10 | Geraet fuer elektroentladungsbearbeitung. |
Country Status (5)
Country | Link |
---|---|
US (2) | US4950860A (de) |
EP (2) | EP0371962B1 (de) |
AT (2) | ATE57637T1 (de) |
DE (2) | DE3881214T2 (de) |
GB (1) | GB8706091D0 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6261153B1 (en) | 1960-12-15 | 2001-07-17 | Hayes Lemmerz International, Inc. | Apparatus and method of machining brake components |
GB8712753D0 (en) * | 1987-05-30 | 1987-07-01 | Sarclad Int Ltd | Electrical discharge method |
DE3839962C1 (de) * | 1988-11-26 | 1990-04-12 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | |
US5434380A (en) * | 1990-07-16 | 1995-07-18 | Mitsubishi Denki Kabushiki Kaisha | Surface layer forming apparatus using electric discharge machining |
US5360957A (en) * | 1992-06-11 | 1994-11-01 | General Electric Company | Controlled apparatus for electrical discharge machining |
US5543599A (en) * | 1994-12-14 | 1996-08-06 | Westinghouse Electric Corporation | Electron discharge machining apparatus and method |
US5555373A (en) * | 1995-02-06 | 1996-09-10 | International Business Machines Corporation | Inactivity monitor for trusted personal computer system |
US5818006A (en) * | 1995-12-07 | 1998-10-06 | Ford Global Technologies, Inc. | Surface preparation electrical discharge apparatus and method |
DE19641273C2 (de) * | 1996-10-07 | 2000-08-10 | Laser Walzen Center Gmbh | Vorrichtung und Verfahren zum Herstellen strukturierter Oberflächen, insbesondere an zylindrischen Walzen |
CN1102471C (zh) * | 1998-05-08 | 2003-03-05 | 三菱电机株式会社 | 放电加工机的定位装置及其方法 |
US6084194A (en) * | 1999-03-01 | 2000-07-04 | Modern Hard Chrome Service Co. | Method and apparatus for electric-discharge texturing ends of a roll |
US6505716B1 (en) | 1999-11-05 | 2003-01-14 | Hayes Lemmerz International, Inc. | Damped disc brake rotor |
US6809283B2 (en) * | 2002-08-19 | 2004-10-26 | General Electric Company | Noble metal in-situ sampling method and apparatus |
US6831246B2 (en) * | 2002-09-12 | 2004-12-14 | General Electric Company | Multi-station electrical discharge machining with single velocity command |
GB2462419A (en) * | 2008-08-04 | 2010-02-10 | Sarclad Ltd | Method and apparatus for improving roll texturing using electrical discharge machining |
DE102008058754A1 (de) * | 2008-11-17 | 2010-05-20 | Waldrich Siegen Werkzeugmaschinen Gmbh | Verfahren zur funkenerosiven Oberflächenbearbeitung |
US8168913B2 (en) * | 2009-05-28 | 2012-05-01 | General Electric Company | Electric discharge machining die sinking device |
CN101817111A (zh) * | 2010-03-26 | 2010-09-01 | 徐安阳 | 柔性电极电火花零件表面造型和表面毛化方法 |
CN102756187B (zh) * | 2012-07-26 | 2015-11-25 | 曹善书 | 线切割机床带有钼丝跳离导轮保护电路的运丝电路 |
US9452483B2 (en) * | 2012-11-14 | 2016-09-27 | General Electric Company | Electric discharge machining die sinking device and related method of operation |
GB2531002A (en) | 2014-10-06 | 2016-04-13 | Sarclad Ltd | Electrical discharge machine |
US10933480B2 (en) * | 2017-02-10 | 2021-03-02 | General Electric Company | System and methods of multiple electrode electric discharge machining |
US11483002B2 (en) | 2017-02-23 | 2022-10-25 | General Electric Company | System and methods for electric discharge machining |
GB2616344A (en) * | 2022-01-10 | 2023-09-06 | Sarclad Ltd | Improvements to electrical discharge texturing machines |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2783411A (en) * | 1955-12-09 | 1957-02-26 | Elox Corp | Servo feed for multiple electrodes |
US3509305A (en) * | 1966-07-27 | 1970-04-28 | Amsted Ind Inc | Random gap pulsing system for edm |
US3504154A (en) * | 1966-08-03 | 1970-03-31 | Victor H Marcolini | Edm power supply with separate sources of gap ionizing potential and material eroding energy |
US3604885A (en) * | 1968-07-05 | 1971-09-14 | Inoue K | Edm power supply for generating self-adaptive discharge pulses |
BE755328A (fr) * | 1969-08-26 | 1971-02-01 | Agie Ag Ind Elektronik | Appareillage comprenant au moins deux generateurs d'impulsions sans organes accumulateurs pour l'usinage par electro-erosion |
SU372049A1 (ru) * | 1970-01-04 | 1973-03-01 | Харьковский ордена Ленина политехнический институт им, В. И. Ленина | Устройство для электроэрозионной обработки |
US3655936A (en) * | 1970-02-06 | 1972-04-11 | Mitsubishi Electric Corp | Apparatus for electroerosively etching a workpiece |
US3668361A (en) * | 1970-04-30 | 1972-06-06 | Oconnor Thomas John | Structure for and method of electro erosion machining |
US3740519A (en) * | 1972-03-27 | 1973-06-19 | Connor T O | Electrode for electro-erosion machining electrode |
US3843864A (en) * | 1973-03-21 | 1974-10-22 | Eltee Pulsitron | Gap condition detector circuit |
SU569422A1 (ru) * | 1975-01-27 | 1977-08-25 | Экспериментально-Конструкторский И Технологический Институт Автомобильной Промышленности | Способ управлени процессом электроэрозионной обработки |
JPS5940578B2 (ja) * | 1977-08-01 | 1984-10-01 | 三菱電機株式会社 | 放電加工方法 |
US4221952A (en) * | 1977-08-11 | 1980-09-09 | Mitsubishi Denki Kabushiki Kaisha | Electric discharge machining method |
JPS5921730B2 (ja) * | 1977-08-17 | 1984-05-22 | 三菱電機株式会社 | ロ−ル状被加工物の放電加工装置 |
US4233485A (en) * | 1978-07-13 | 1980-11-11 | Mitsubishi Denki Kabushiki Kaisha | Process for electrical discharge machining of cylindrical work |
US4219718A (en) * | 1978-07-13 | 1980-08-26 | Mitsubishi Denki Kabushiki Kaisha | Process and apparatus for electrical discharge machining of cylindrical work |
JPS5929368B2 (ja) * | 1979-01-24 | 1984-07-20 | 株式会社井上ジャパックス研究所 | 放電加工装置 |
US4441004A (en) * | 1980-06-12 | 1984-04-03 | Inoue-Japax Research Incorporated | Multiple pipe element electrode assembly EDM method and apparatus |
US4443682A (en) * | 1981-10-26 | 1984-04-17 | Colt Industries Operating Corp | Superimposed high striking voltage power supply circuit for electrical discharge machining |
US4683364A (en) * | 1984-04-18 | 1987-07-28 | Micro Surface Technology, Inc. | Electrical discharge shape forming and surface conditioning device |
-
1987
- 1987-03-14 GB GB878706091A patent/GB8706091D0/en active Pending
-
1988
- 1988-03-10 EP EP90101481A patent/EP0371962B1/de not_active Expired - Lifetime
- 1988-03-10 DE DE90101481T patent/DE3881214T2/de not_active Expired - Fee Related
- 1988-03-10 DE DE8888302076T patent/DE3860853D1/de not_active Expired - Lifetime
- 1988-03-10 EP EP88302076A patent/EP0283205B1/de not_active Expired - Lifetime
- 1988-03-10 AT AT88302076T patent/ATE57637T1/de not_active IP Right Cessation
- 1988-03-10 AT AT90101481T patent/ATE89501T1/de not_active IP Right Cessation
- 1988-03-11 US US07/167,268 patent/US4950860A/en not_active Expired - Lifetime
-
1990
- 1990-08-14 US US07/567,076 patent/US5089681A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0283205B1 (de) | 1990-10-24 |
US5089681A (en) | 1992-02-18 |
DE3860853D1 (de) | 1990-11-29 |
EP0371962B1 (de) | 1993-05-19 |
ATE57637T1 (de) | 1990-11-15 |
EP0283205A3 (en) | 1989-05-10 |
EP0283205A2 (de) | 1988-09-21 |
US4950860A (en) | 1990-08-21 |
ATE89501T1 (de) | 1993-06-15 |
GB8706091D0 (en) | 1987-04-15 |
EP0371962A1 (de) | 1990-06-06 |
DE3881214T2 (de) | 1993-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |