Grinding machine and control for removing burrs or fins from wor

Details Grinding machine and control for removing burrs or fins from wor Grinding machine and control for removing burrs or fins from wor

1982-02-22

1984-01-31

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

5116592, B24B 4916

Patent

active

044281625

ABSTRACT:
A method and a device for the automatic removal of burrs or fins from workpieces such as castings by a grinding process. A feed for moving the workpiece perpendicular to the grinding wheel radius is provided for grinding along the length of the burr. A second constant velocity feed of reversible and alternating direction is provided for moving the grinding wheel radially into the workpiece. The load or circumferential torque on the grinding wheel is monitored to detect the abrupt increase in torque occurring when the grinding wheel has cut through the burr and encounters the body of the workpiece, whereupon the direction of the radial feed is reversed so that the grinding process follows the contour of the workpiece.

REFERENCES:
patent: 2707855 (1953-05-01), Miller
patent: 3589077 (1968-06-01), Lenning
patent: 3897660 (1975-08-01), Chijiiwa et al.
patent: 3948001 (1976-04-01), Miyazawa et al.
patent: 4075792 (1978-02-01), Schreiber
patent: 4193227 (1980-03-01), Uhtenwoldt
patent: 4228782 (1980-10-01), Demers

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