Electric motor driven type on-line roll grinder, its control met

Details Electric motor driven type on-line roll grinder, its control met Electric motor driven type on-line roll grinder, its control met

1996-07-29

1998-03-03

Smith, James G.

Abrading

Precision device or process - or with condition responsive...

With indicating

451 14, 451425, 451160, B24B 4900, B24B 5100

Patent

active

057228760

ABSTRACT:
An electric drive motor with a small size and large rotary torque is used as a driving device for a grinding wheel of a grinding device. The motor such as an AC servo motor is encased in a casing to protect it from humidity, high temperature, scattered oil, etc. The atmosphere in the casing is controlled to protect the motor. The pressure, temperature and humidity in the casing are controlled by introducing dried air into the casing.

REFERENCES:
patent: 5402606 (1995-04-01), Helgren
patent: 5562525 (1996-10-01), Mori et al.
patent: 5569060 (1996-10-01), Mori et al.

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