Grinding machine

Details Grinding machine Grinding machine

1984-09-06

1986-05-20

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 52R, 5116592, B24B 1900

Patent

active

045892300

ABSTRACT:
A grinding machine including a grinding wheel spindle motor for rotating a grinding wheel, a workpiece spindle motor for rotating a workpiece such as a gear to be ground in mesh with the grinding wheel, and a traverse motor for moving a table supporting the workpiece spindle motor. A power detector and a comparator are connected to a driver circuit for the grinding wheel spindle motor. When a load on the grinding wheel in mesh with the workpiece is increased, such a load increase is detected by the power detector and applied to a comparator. If the load signal is in excess of a reference level, then the application of a drive signal to the traverse motor is interrupted or a speed at which the workpiece is traversed relatively to the grinding wheel is reduced.

REFERENCES:
patent: 2607175 (1952-08-01), Osplack
patent: 2898707 (1959-08-01), Rickenmann
patent: 3948001 (1976-04-01), Miyazawa
patent: 4014142 (1977-03-01), Coes
patent: 4163346 (1979-08-01), Matson
patent: 4467568 (1984-08-01), Bloch

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