Coolant supply apparatus for grinding machine

Details Coolant supply apparatus for grinding machine Coolant supply apparatus for grinding machine

2007-08-29

2009-08-11

Nguyen, Dung Van (Department: 3723)

Abrading

Accessory

Abradant supplying

C451S449000, C451S005000

Reexamination Certificate

active

07572175

ABSTRACT:
In a coolant supply apparatus for a grinding machine, a wheel imbalance prevention device is operated within the period from the switching to the closed state of a shut-off valve which is provided on a conduit connecting a coolant supply to a coolant nozzle, until the stop of rotation of the grinding wheel and prevents the coolant remaining in a part of the conduit on the downstream side of the shut-off valve and in the coolant nozzle from dropping on the grinding surface of the grinding wheel during the stop in rotation of the grinding wheel. Thus, the occurrence of coolant which otherwise penetrates the grinding wheel to put the same out of balance is prevented.

REFERENCES:
patent: 3696564 (1972-10-01), Joyce
patent: 3748788 (1973-07-01), Koppenwallner
patent: 3952458 (1976-04-01), Tomita et al.
patent: 4561218 (1985-12-01), Dzewaltowski et al.
patent: 5833523 (1998-11-01), Hykes
patent: 6328636 (2001-12-01), Yoshimi et al.
patent: 0 924 028 (1999-06-01), None
patent: 2003-103459 (2003-04-01), None
patent: WO 2004/087376 (2004-10-01), None

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