Arrangement for measuring surface profiles

Details Arrangement for measuring surface profiles Arrangement for measuring surface profiles

1980-12-15

1982-11-23

Swisher, S. Clement

Measuring and testing

Surface and cutting edge testing

Roughness

33172E, 310332, G01B 528

Patent

active

043598927

ABSTRACT:
A surface testing apparatus includes a bilaminar ceramic flexure element provided with means for generating a voltage which is proportional to the deflection of the flexure element. This voltage is compared with a reference voltage. After amplification the difference voltage is applied to the flexure element so that the applied force remains constant, independently of the deflection.

REFERENCES:
patent: 2728222 (1955-12-01), Becker et al.
patent: 4310913 (1982-01-01), Miller

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