JPS57138537A - Electric spark machining device - Google Patents
Electric spark machining deviceInfo
- Publication number
- JPS57138537A JPS57138537A JP1971481A JP1971481A JPS57138537A JP S57138537 A JPS57138537 A JP S57138537A JP 1971481 A JP1971481 A JP 1971481A JP 1971481 A JP1971481 A JP 1971481A JP S57138537 A JPS57138537 A JP S57138537A
- Authority
- JP
- Japan
- Prior art keywords
- change pattern
- servo voltage
- servo
- voltage change
- circuit
- 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
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
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1971481A JPS57138537A (en) | 1981-02-13 | 1981-02-13 | Electric spark machining device |
US06/347,387 US4484051A (en) | 1981-02-13 | 1982-02-09 | Breakthrough detection means for electric discharge machining apparatus |
DE19823204799 DE3204799A1 (de) | 1981-02-13 | 1982-02-11 | Einrichtung fuer elektrische entladungsbearbeitung von werkstuecken |
CH934/82A CH656819A5 (de) | 1981-02-13 | 1982-02-15 | Funkenerosionsbearbeitungseinrichtung. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1971481A JPS57138537A (en) | 1981-02-13 | 1981-02-13 | Electric spark machining device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57138537A true JPS57138537A (en) | 1982-08-26 |
JPH0138615B2 JPH0138615B2 (ja) | 1989-08-15 |
Family
ID=12006954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1971481A Granted JPS57138537A (en) | 1981-02-13 | 1981-02-13 | Electric spark machining device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57138537A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61241029A (ja) * | 1985-04-01 | 1986-10-27 | コ−ニング グラス ワ−クス | 穿孔深さおよび速度監視装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020246403A1 (ja) * | 2019-06-05 | 2020-12-10 | ソニー株式会社 | 情報処理装置、及び情報処理方法 |
-
1981
- 1981-02-13 JP JP1971481A patent/JPS57138537A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61241029A (ja) * | 1985-04-01 | 1986-10-27 | コ−ニング グラス ワ−クス | 穿孔深さおよび速度監視装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0138615B2 (ja) | 1989-08-15 |
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