Apparatus and method for measuring the circularity and eccentric

Details Apparatus and method for measuring the circularity and eccentric Apparatus and method for measuring the circularity and eccentric

1994-08-15

1996-01-23

Will, Thomas B.

Geometrical instruments

Gauge

Automotive

33543, G01D 2100

Patent

active

054856787

ABSTRACT:
An apparatus and method for measuring the circularity of a brake drum while the brake drum is mounted upon a vehicle. The apparatus includes a linear voltage displacement transducer mounted upon a stationary portion of the vehicle. The transducer senses the variation of the braking surface and generates a signal proportional thereto. The apparatus also includes an optical encoder that generates a signal indicative of the angular position of the drum. The transducer and encoder are connected to a central processing unit which receives the transducer and encoder signals. The drum is rotated through a plurality of complete revolutions while the central processing unit combines the transducer and encoder signals to generate a set of data points. The central processing unit operates upon the data points to determine the circularity of the braking surface.

REFERENCES:
patent: 1898136 (1933-02-01), Miller et al.
patent: 1997639 (1935-04-01), Hetherington et al.
patent: 2083944 (1937-06-01), Cottrell
patent: 2087497 (1937-07-01), Blackman
patent: 2648134 (1953-08-01), Billeter
patent: 3006076 (1961-10-01), Wisti
patent: 3854216 (1974-12-01), Mosher
patent: 3889378 (1975-06-01), Senecal
patent: 4520568 (1985-06-01), Drenner
patent: 4782595 (1988-11-01), Diewert
patent: 5151870 (1992-09-01), Beebe et al.
patent: 5224272 (1993-07-01), Toraason et al.

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