Apparatus for in-situ dressing of threaded grinding wheels used

Details Apparatus for in-situ dressing of threaded grinding wheels used Apparatus for in-situ dressing of threaded grinding wheels used

1990-03-05

1991-12-31

Rose, Robert A.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

5116587, 51325, 125 1102, 125 1113, B24B 53075

Patent

active

050760203

ABSTRACT:
An apparatus for in-situ dressing of threaded type grinding wheels that is more versatile in operation than conventional operator-controlled equipment. The grinding wheel and dressing tool posts are driven by respective motors controlled and synchronized exactly via a fully electronic control circuit, and the grinding wheel motor associates directly with the axis of the grinding wheel in conjunction with two separate encoders, designed to generate dissimilar pulse frequencies; the two encoders can be switched in and out to suit the respective requirements of grinding and dressing operations, so that the output pulse frequency does not rise beyond a level which can effectively be monitored by the control circuit.

REFERENCES:
patent: 2981038 (1961-04-01), Flanders
patent: 3890116 (1975-06-01), Robillard
patent: 4195446 (1980-04-01), Angst
patent: 4219972 (1980-09-01), Ota et al.
patent: 4631870 (1986-12-01), Sun
patent: 4813188 (1989-03-01), Becker et al.

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