Hole profile gaging systems

Details Hole profile gaging systems Hole profile gaging systems

1988-11-22

1991-04-30

Will, Thomas B.

Geometrical instruments

Distance measuring

Opposed contacts

33836, 33542, G01B 520, G01B 728

Patent

active

050106589

ABSTRACT:
The present invention provides a hole profile gage comprising a probe that senses deviations in the contour of the inner surface of a bore while it is retracted through the bore. The profile gage includes a processing unit that samples the output from the probe, develops a profile for the hole, and evaluates whether the profile is within predetermined tolerance limits. In a preferred embodiment, the probe comprises a split ball probe coupled with a transducer. In use, the probe is retracted through the bore by a spring coupled with a damping device.

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