Semi-automatic grinding machine

Details Semi-automatic grinding machine Semi-automatic grinding machine

1984-03-13

1986-05-27

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

511659, B24B 333

Patent

active

045907110

ABSTRACT:
A semi-automatic grinding machine for grinding the tips of carbide miner bits. The machine includes two rotary holders, one semi-automatic holder for grinding a heel on the miner bit carrier, and a second automatic holder for grinding the bit tip. An electrical-pneumatic control system automatically brings the bit in contact with the grinding wheel under controlled pressure, reciprocates the bit across the grinding wheel, retracts the bit from the grinding wheel and releases the bit from the holder. Provision for compensating for changes in the radial dimension of the grinding wheel are included.

REFERENCES:
patent: 1963394 (1934-06-01), Yassenoff
patent: 2139938 (1938-12-01), Dixon
patent: 2746212 (1956-05-01), Jensch
patent: 2807920 (1957-10-01), Householder
patent: 3898771 (1975-08-01), Kuniholm
patent: 3905157 (1975-09-01), Sollami

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