Friction material evaluation apparatus

Details Friction material evaluation apparatus Friction material evaluation apparatus

1996-12-20

1997-11-18

Raevis, Robert

Measuring and testing

Frictional resistance, coefficient or characteristics

G01N 1902

Patent

active

056890583

ABSTRACT:
Evaluation apparatus for detecting the onset parameters of friction, wear and groan and squeal noise characteristics associated with a specimen of a particular brake friction material composition is provided with a movable apparatus table which carries both a variable-speed electric motor that drives a brake rotor and that has a near-zero speed capability and a reversible electric motor that may be selectively and independently actuated to advance the brake rotor into friction contact with a friction material specimen and with a normal-force that correlates to the output torque of the reversible electric motor.

REFERENCES:
patent: 2887874 (1959-05-01), Mason
patent: 3059464 (1962-10-01), Deane
patent: 3269003 (1966-08-01), Hollander et al.
patent: 5315860 (1994-05-01), Dreilich et al.

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