Method of abrasive electroerosion grinding

Details Method of abrasive electroerosion grinding Method of abrasive electroerosion grinding

1989-03-20

1990-09-11

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412946, 204DIG9, 20412975, 219 6917, 219 6918, B23H 504, B23H 508, B23H 712

Patent

active

049560565

ABSTRACT:
A method of grinding includes the application to an abrasive wheel in a grinding zone of a pulse voltage, arranged out of the grinding zone is an electrode to which is applied a rectified voltage having an amplitude and a ripple factor ensuring formation of an oxide film on a surface of the wheel, and use is made of a coolant having a conductivity from 2.multidot.10.sup.-3 to 2.multidot.10.sup.-2 ohm.sup.-1 cm.sup.-1.

REFERENCES:
patent: 4236985 (1980-12-01), Grodzinsky et al.
patent: 4448656 (1984-05-01), Kuromatsu
patent: 4641007 (1987-02-01), Lach
patent: 4849599 (1989-07-01), Kuromatsu

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