Grinding machine

Details Grinding machine Grinding machine

1982-04-09

1985-05-14

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 34J, B24B 536

Patent

active

045163596

ABSTRACT:
The present invention relates to a grinding machine comprising an expansion jack whose piston is connected to the expansion rod of a grinder, means for detecting the position of the piston of this jack and for supplying an electric signal as a function of this position, therefore of the expansion of the grinder, and means for comparing this signal with a reference value and for emitting, when this value is attained, a signal for stopping displacement of the piston, wherein said grinding machine comprises means for modifying the reference value in the event of wear of the grinder or shift in dimensions.

REFERENCES:
patent: 2781616 (1957-02-01), Estabrook
patent: 3561168 (1971-02-01), Robillard
patent: 4173847 (1979-11-01), Gehring

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