Semi-automatic grinding machine
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United States of America Patent
Stats
-
May 27, 1986
Grant Date -
N/A
app pub date -
Mar 13, 1984
filing date -
Mar 13, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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