Rolling contact fatigue test assembly

Details Rolling contact fatigue test assembly Rolling contact fatigue test assembly

1981-08-28

1984-06-05

Myracle, Jerry W.

Measuring and testing

By abrasion, milling, rubbing, or scuffing

73808, G01N 356

Patent

active

044520654

ABSTRACT:
An assembly for testing the rolling contact fatigue of a test material including a collet for mounting the test material, spherical bearings for rolling contact with the test material, and a support structure for supporting the mounting collet and the spherical bearings for relative rotation therebetween. The assembly is characterized by the support structure including a pair of adjustable race members, each having an inclined or frustoconical surface in rolling contact with the spherical bearings for applying an adjustable predetermined force against the spherical bearings to force the bearings into rolling contact with the test material. A method of testing the rolling contact fatigue of the test material is also disclosed and includes the steps of disposing at least one of the spherical bearings in engagement with the test material and effecting relative rotation between the test material and the bearings, and characterized by adjustably wedging the spherical bearings against the test material to force the bearings into rolling contact with the test material.

REFERENCES:
patent: 829658 (1906-08-01), Leavitt
patent: 1491050 (1924-04-01), Lutz

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