Thread grinder

Details Thread grinder Thread grinder

1981-01-05

1983-07-19

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 95TG, B24B 322

Patent

active

043936245

ABSTRACT:
A machine for grinding threads on a workpiece which is rotated in a workhead while the workhead is reciprocated by a table under a grinding wheel to form threads in the workpiece. To improve the accuracy with which the threads are formed, the workpiece and a grinding wheel dresser contact the grinding wheel on the same side of the wheel at points which are symmetrical to and on opposite sides of the centerline of the wheel which extends parallel to the path along which the wheel is fed into the workpiece. If a fluted workpiece is being ground to produce a tap, the threads may be relieved in accordance with either the United States or European convention.

REFERENCES:
patent: 3524283 (1970-08-01), Jones
patent: 3590534 (1971-07-01), Snyder
patent: 3675372 (1972-07-01), Kushigian
patent: 4182083 (1980-01-01), Kushigian

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