Method and apparatus for detecting residual grinding amount

Details Method and apparatus for detecting residual grinding amount Method and apparatus for detecting residual grinding amount

1996-05-22

1998-06-30

Raevis, Robert

Measuring and testing

Inspecting

451 5, B24B 4900

Patent

active

057737312

ABSTRACT:
An apparatus for detecting a residual grinding amount includes first and second feelers adapted to contact the peripheral surface of a workpiece such that they move, in accordance with a variation in the diameter of the workpiece, in opposite directions each perpendicular to the direction of deflection of the workpiece, and a first displacement detector for detecting relative displacement between the first and second feelers. The apparatus also includes a third feeler adapted to contact the peripheral surface of the workpiece such that it moves, in accordance with the variation in the diameter of the workpiece as well as a variation in the deflection of the workpiece, in the direction of deflection of the workpiece, and a second displacement detector for detecting displacement of the third feeler. The residual grinding amount is calculated based on the displacements detected by the first and second displacement detectors.

REFERENCES:
patent: 5562523 (1996-10-01), Asano et al.
patent: 5562526 (1996-10-01), Yoneda et al.

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