Centerless grinder and wheel truing device therefor

Details Centerless grinder and wheel truing device therefor Centerless grinder and wheel truing device therefor

1995-06-08

1996-09-03

Meislin, D. S.

Abrading

Machine

Combined

451 49, B24B 700

Patent

active

055519083

ABSTRACT:
A stem and a valve face of an engine valve are ground by first and second grinding wheels respectively. A motor for driving the second grinding wheel is mounted on a first plate movable by a servomotor in a direction perpendicular to the axis of the wheel, and under the first plate, a second plate is disposed to be movable in a direction parallel with the axis of the wheel. The valve face is ground obliquely by the second grinding wheel by moving the two plates. The first grinding wheel is trued by a first dresser movable in directions parallel with and perpendicular to the axis of the first grinding wheel. The second grinding wheel is trued by a second dresser provided at the end of a support strut.

REFERENCES:
patent: 1865067 (1928-12-01), Warsow
patent: 1938764 (1931-04-01), Haas et al.
patent: 4055027 (1977-10-01), Freddi
patent: 4178719 (1979-12-01), Jessup
patent: 4497138 (1985-02-01), Schreiber
patent: 4551950 (1985-11-01), Unno et al.

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