Geometrical instruments – Area integrators – Electrical
Patent
1974-05-06
1976-04-20
Aegerter, Richard E.
Geometrical instruments
Area integrators
Electrical
33147L, 33172E, G01B 702
Patent
active
039508552
ABSTRACT:
The disclosed gaging apparatus is especially advantageous for gaging the thickness of workpieces which are discharged in a stream from a double disc grinder, or some other similar machine. The workpieces travel along guide means, including a guide member along which one side of each workpiece is slidable. The other side of each workpiece is engaged by a contact bar which extends transversely to the direction of movement of the workpieces, and is generally parallel to such guide member. The contact bar is mounted on a carriage which is supported for movement toward and away from such guide member. In accordance with the present invention, the carriage is also supported for rocking movement so that the contact bar can align itself precisely with the abutting surface of each workpiece. A gaging head is employed to detect movement of the carriage toward and away from the guide member, such movement being due to variations in the thickness of the workpieces. The gaging head may be adapted to produce electrical signals which may be employed to readjust the tool slides of the grinder, if the grinder is producing work which is slightly oversize or undersize.
REFERENCES:
patent: 3581402 (1974-06-01), London et al.
Aegerter Richard E.
American Gage & Machine Company
Little Willis
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