Table feed apparatus

Details Table feed apparatus Table feed apparatus

1986-07-25

1988-03-15

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

74571R, 74836, 51 34K, B24B 4702

Patent

active

047304197

ABSTRACT:
A grinder wheel table feed apparatus converts rotation of a table driving motor into reciprocation movement of a grinder wheel table through a ball-screw mechanism to thereby impart a traverse movement to the grinder wheel table between a non-working position and a working position. The rotation of a reciprocation axle drive motor is converted through an eccentric cam into an oscillation movement of the grinder wheel table when the table is in its working position. A drive control system includes an encoder operable to read the rotational position of the reciprocal axle drive motor, and a control device effective to stop the eccentric cam at a predetermined eccentric angular position.

REFERENCES:
patent: 3375732 (1968-04-01), Voeller
patent: 4043080 (1977-08-01), Maxwell

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