A fatigue wear test fixture and test method that can accurately control the radial deformation of a flexspline

Abstract

The invention discloses a fatigue wear testing clamp capable of accurately regulating and controlling a radial deformation amount of a flexible wheel and a testing method, aiming at solving the problem that the radial deformation amount of the flexible wheel in a whole machine test cannot be controlled and measured, and realizing accurate regulation and control of the radial deformation amount ofthe flexible wheel. The supporting of a vernier caliper on a short-cylinder round ring can be used for accurately simulating the supporting of a long-shaft outer ring of a wave generator on an inner wall of the flexible wall; the radial elongation of the vernier caliper is adjusted in a variable gradient manner or the wall thickness of the short-cylinder round ring is adjusted in the variable gradient manner; an influence rule of the size of a long shaft of the wave generator and the wall thickness of the flexible wheel on the fatigue wear of the flexible wheel can be researched, and an actingmechanism of influencing the fatigue wear of the flexible wheel is deeply explored. The clamp disclosed by the invention has the advantages that the material of the flexible wheel is saved, the testing efficiency is improved and a more direct experiment result also can be obtained.

Description

technical field [0001] The invention relates to a fatigue wear test fixture and a test method that can precisely control the radial deformation of a flexspline, and belongs to the technical field of harmonic testing. Background technique [0002] Harmonic gear reducers are widely used in industrial robots, machine tools, and other manufacturing equipment and semiconductor manufacturing machines, aerospace and other fields. The wear condition between the inner wall of the flexspline and the outer ring of the wave generator is a key factor determining the service life of the harmonic reducer. The wear between the inner wall of the flexible spline and the outer ring of the wave generator is particularly serious in medium and heavy harmonic reducers. Although the wear amount between the inner wall of the flexspline and the outer ring of the wave generator can be measured through the whole machine experiment, the radial deformation of the flexspline cannot be measured under this...

AI Technical Summary

Problems solved by technology

Although the wear amount between the inner wall of the flexspline and the outer ring of the wave generator can be measured through the whole machine experiment, the radial deformation of the flexspline cannot be measured under this condition, and it is difficult to obtain the effect of the radial deformation on the fatigue of the flexspline. The influence of wear and tear, so it not only causes waste of materials but also prolongs the research and development cycle of harmonic reducers

[0003] The invention discloses a fatigue wear test fixture and a test method that can accurately control the radial deformation of the flexspline, solves the problem that the radial deformation of the flexspline cannot be measured in the whole machine test, and can realize the radial deformation of the flexspline precise control and measurement

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