Stone working – Turning – Grinding-wheel dressing
Patent
1981-11-12
1983-11-15
Whitehead, Harold D.
Stone working
Turning
Grinding-wheel dressing
B24B 5300
Patent
active
044149557
ABSTRACT:
Apparatus for dressing abrasive wheels employed for grinding involute surfaces such as involute gear teeth includes a fixture for generating involute curves cooperatively coupled with a turntable and a dressing tool. The fixture includes a carriage bar reciprocably mounted on the turntable which drives the dressing tool. The carriage bar is captured between a stationary base circle disc and a pair of laterally movable rollers mounted on a rotatable portion of the fixture. Rotation of the fixture produces lateral translation of the carriage bar in a manner to generate involute movement of the tool. The fixture is swingably mounted to allow the mounting position of the carriage bar to be easily changed in order to generate a mirror image of the involute curve. The fixture and turntable are mounted on a base for freedom of movement along two perpendicular axes to permit rapid indexing and set up.
REFERENCES:
patent: 1912410 (1933-06-01), Shotey
patent: 2274959 (1942-03-01), Headbloom
patent: 2637312 (1953-05-01), Alderman
patent: 3273554 (1966-09-01), Bunge
patent: 3830215 (1974-08-01), Bartosek
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