JPS57160104A - Electromagnet power source and demagnetizing device - Google Patents
Electromagnet power source and demagnetizing deviceInfo
- Publication number
- JPS57160104A JPS57160104A JP57040096A JP4009682A JPS57160104A JP S57160104 A JPS57160104 A JP S57160104A JP 57040096 A JP57040096 A JP 57040096A JP 4009682 A JP4009682 A JP 4009682A JP S57160104 A JPS57160104 A JP S57160104A
- Authority
- JP
- Japan
- Prior art keywords
- power source
- electromagnet power
- demagnetizing device
- demagnetizing
- electromagnet
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
- Control Of Voltage And Current In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/243,085 US4402032A (en) | 1981-03-12 | 1981-03-12 | Electromagnet power supply and demagnetizer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57160104A true JPS57160104A (en) | 1982-10-02 |
Family
ID=22917312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57040096A Pending JPS57160104A (en) | 1981-03-12 | 1982-03-12 | Electromagnet power source and demagnetizing device |
Country Status (4)
Country | Link |
---|---|
US (1) | US4402032A (ja) |
JP (1) | JPS57160104A (ja) |
DE (1) | DE3209064A1 (ja) |
GB (1) | GB2095054A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59127808A (ja) * | 1983-01-12 | 1984-07-23 | Denshi Jiki Kogyo Kk | 鋼材脱磁方法 |
JPH0230448A (ja) * | 1988-07-20 | 1990-01-31 | Fuji Jikou Kk | 電磁チャック用消磁装置 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4523250A (en) * | 1979-12-07 | 1985-06-11 | Daniel P. Bacchiere | Magnetic chuck control system |
US4467388A (en) * | 1982-07-06 | 1984-08-21 | Hitachi Metals International Ltd. | Electromagnetic chuck power supply and controller |
US4621299A (en) * | 1982-11-05 | 1986-11-04 | General Kinetics Inc. | High energy degausser |
US4887184A (en) * | 1984-01-17 | 1989-12-12 | Electro-Matic Products Co. | Demagnetizer |
US4607310A (en) * | 1985-05-13 | 1986-08-19 | Magnetic Peripherals Inc. | Adjustable degausser |
DE3609530C2 (de) * | 1986-03-21 | 1995-08-31 | Erich Dr Ing Steingroever | Verfahren zum automatischen Einstellen des Arbeitspunktes von Dauermagneten |
JPS63212427A (ja) * | 1987-02-05 | 1988-09-05 | エレクトロ−マチック・プロダクツ・カンパニー | 消磁装置及び方法 |
US4730230A (en) * | 1987-03-31 | 1988-03-08 | Dowty Rfl Industries, Inc. | Apparatus and method for degaussing magnetic storage media |
US4901579A (en) * | 1987-05-29 | 1990-02-20 | Ling Electronics, Inc. | Stray magnetic field control system for vibration testing apparatus |
US4771358A (en) * | 1987-11-09 | 1988-09-13 | Walker Magnetics Group, Inc. | Magnetic chuck controller |
US4975628A (en) * | 1990-02-12 | 1990-12-04 | General Motors Corporation | Closed-loop PWM current control for a vehicle transmission force motor |
US5267119A (en) * | 1991-05-31 | 1993-11-30 | Electro-Matic Products Co. | Electric permanent magnet chuck control |
US5991147A (en) * | 1997-07-03 | 1999-11-23 | Chiang; Wen-Hsuan | Electromagnetic chuck with magnetizing/demagnetizing circuit |
US6178081B1 (en) | 1998-09-10 | 2001-01-23 | Electro-Matic Products Co. | Controller for electric permanent chuck |
GB9921963D0 (en) * | 1999-09-16 | 1999-11-17 | Redcliffe Magtronics Limited | Demagnetisation of magnetic components |
US8941970B2 (en) | 2011-10-18 | 2015-01-27 | Siemens Energy, Inc. | Method and apparatus for demagnetizing generator components prior to electromagnetic core imperfection testing or EL-CID testing |
CN108427034A (zh) * | 2018-04-13 | 2018-08-21 | 中国南方电网有限责任公司超高压输电公司曲靖局 | 一种基于换流变压器直流电阻测量装置的去磁方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3532940A (en) * | 1966-12-30 | 1970-10-06 | Magnaflux Corp | Demagnetization control system |
US3872626A (en) * | 1973-05-02 | 1975-03-25 | Cone Blanchard Machine Co | Grinding machine with tilting table |
-
1981
- 1981-03-12 US US06/243,085 patent/US4402032A/en not_active Expired - Fee Related
-
1982
- 1982-03-04 GB GB8206403A patent/GB2095054A/en not_active Withdrawn
- 1982-03-12 JP JP57040096A patent/JPS57160104A/ja active Pending
- 1982-03-12 DE DE19823209064 patent/DE3209064A1/de not_active Ceased
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59127808A (ja) * | 1983-01-12 | 1984-07-23 | Denshi Jiki Kogyo Kk | 鋼材脱磁方法 |
JPH0230448A (ja) * | 1988-07-20 | 1990-01-31 | Fuji Jikou Kk | 電磁チャック用消磁装置 |
JPH06104289B2 (ja) * | 1988-07-20 | 1994-12-21 | フジ磁工株式会社 | 電磁チャック用消磁装置 |
Also Published As
Publication number | Publication date |
---|---|
DE3209064A1 (de) | 1982-11-04 |
GB2095054A (en) | 1982-09-22 |
US4402032A (en) | 1983-08-30 |
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