GB1508189A - Apparatus for the detection of short circuits in spark erosion machines - Google Patents

Apparatus for the detection of short circuits in spark erosion machines

Info

Publication number: GB1508189A
Authority: GB; United Kingdom
Prior art keywords: detection; short circuits; spark erosion; erosion machines; machines
Prior art date: 1974-11-16
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

Application number

GB3761075A

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.)

SMS Elotherm GmbH

Original Assignee

AEG Elotherm GmbH

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.)

1974-11-16

Filing date

1975-09-12

Publication date

1978-04-19

1975-09-12 Application filed by AEG Elotherm GmbH filed Critical AEG Elotherm GmbH

1978-04-19 Publication of GB1508189A publication Critical patent/GB1508189A/en

Status Expired 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
- B23H1/024—Detection of, and response to, abnormal gap conditions, e.g. short circuits

Landscapes

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

GB3761075A 1974-11-16 1975-09-12 Apparatus for the detection of short circuits in spark erosion machines Expired GB1508189A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19742454475 DE2454475C3 (en)	1974-11-16	1974-11-16	Device for short circuit detection on spark erosion machines

Publications (1)

Publication Number	Publication Date
GB1508189A true GB1508189A (en)	1978-04-19

Family

ID=5931058

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB3761075A Expired GB1508189A (en)	1974-11-16	1975-09-12	Apparatus for the detection of short circuits in spark erosion machines

Country Status (6)

Country	Link
BR (1)	BR7506947A (en)
CH (1)	CH589501A5 (en)
DE (1)	DE2454475C3 (en)
ES (1)	ES434634A1 (en)
FR (1)	FR2290990A1 (en)
GB (1)	GB1508189A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20150360310A1 (en) *	2013-02-04	2015-12-17	Anca Pty Ltd	Pulse and gap control for electrical discharge machining equipment

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4582974A (en) *	1982-08-02	1986-04-15	Mitsubishi Denki Kabushiki Kaisha	Electric discharge machine including means for detecting abnormal discharge conditions
DE3539643A1 (en) *	1985-11-08	1987-05-27	Aeg Elotherm Gmbh	Device for detecting the burning voltage on the operating gap of a spark-erosion machine
JPS63156618A (en) *	1986-12-22	1988-06-29	Hoden Seimitsu Kako Kenkyusho Ltd	Electric discharge machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3018411A (en) *	1960-05-03	1962-01-23	Robert S Webb	Per pulse cut-off circuit
CH430910A (en) *	1964-08-14	1967-02-28	Aeg Elotherm Gmbh	Process for controlling the feed rate of the tool electrode of electrical discharge machines and circuit arrangement for carrying out the process
NL7116823A (en) *	1971-12-08	1973-06-13

1974
- 1974-11-16 DE DE19742454475 patent/DE2454475C3/en not_active Expired
1975
- 1975-02-11 ES ES434634A patent/ES434634A1/en not_active Expired
- 1975-08-15 CH CH1068275A patent/CH589501A5/xx not_active IP Right Cessation
- 1975-09-12 GB GB3761075A patent/GB1508189A/en not_active Expired
- 1975-10-23 BR BR7506947A patent/BR7506947A/en unknown
- 1975-11-10 FR FR7534242A patent/FR2290990A1/en active Granted

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20150360310A1 (en) *	2013-02-04	2015-12-17	Anca Pty Ltd	Pulse and gap control for electrical discharge machining equipment
US10259062B2 (en) *	2013-02-04	2019-04-16	Anca Pty Ltd	Pulse and gap control for electrical discharge machining equipment

Also Published As

Publication number	Publication date
DE2454475C3 (en)	1982-09-30
DE2454475B2 (en)	1982-01-07
DE2454475A1 (en)	1976-05-20
ES434634A1 (en)	1977-02-01
CH589501A5 (en)	1977-07-15
BR7506947A (en)	1976-08-10
FR2290990B1 (en)	1979-06-29
FR2290990A1 (en)	1976-06-11

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Legal Events

Date	Code	Title	Description
1978-08-31	PS	Patent sealed
1985-05-09	PCNP	Patent ceased through non-payment of renewal fee