Twisting or micro-moving frictional wear test device
A technology of wear test and fretting friction, which is applied in the field of friction technology research, can solve the problems of fatigue life reduction, life loss and trouble, manual control reproduction or simulation difficulties, etc., and achieves good reproducibility, high degree of automation, and control The effect of high precision testing with
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[0045] A kind of specific embodiment of the present invention is, a kind of torsion fretting friction and wear test method, and its practice is:
[0046] a. Clamp the upper specimen on the upper fixture, and then fix the lower fixture and the high-precision low-speed turntable through threads, and the vertical centerline of the clamping cavity of the lower fixture is aligned with the rotation axis of the high-precision low-speed turntable, Clamp the spherical lower test piece with the lower clamp;
[0047] b. Control the up and down movement of the upper fixture through the data acquisition control system, so that the upper and lower specimens are in contact with and apply the set load P, and at the same time, through the control of the data acquisition control system, the lower fixture and the lower specimen held by it are controlled by the data acquisition control system. The reciprocating rotation of the set speed ω, rotation angle θ and reciprocating times N realizes the t...
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