Friction measuring and testing method and apparatus

Details Friction measuring and testing method and apparatus Friction measuring and testing method and apparatus

1976-03-23

1977-10-04

Swisher, S. Clement

Measuring and testing

Frictional resistance, coefficient or characteristics

G01N 1902

Patent

active

040517136

ABSTRACT:
A method and apparatus for measuring or testing static and dynamic coefficients of friction. The frame of the apparatus is held fixed with respect to the test surface, and a friction pad, mounted on the frame and capable of moving relative to the frame, also rests on the test surface. A torque is developed in the friction pad, through the means of a fluid bed, and the resulting relative movement between the test surface and the friction pad is sensed. Also disclosed are mechanisms for setting the normal force which the friction pad exerts on the test surface, for adjusting to misalignments and small surface irregularities without deleterious effects, and for regulating the torque developed in the friction pad.

REFERENCES:
patent: 2269305 (1942-01-01), Bell

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