DIMENSIONAL AND QUALITATIVE ANALYSIS OF THE
SURFACE OF FATIGUE-TESTED BEARING BALLS
During the fatigue testing of bearing balls, subjected to compression at
constant force and number of revolutions, we find, from the technological point
of view, certain micron-sized alterations in relation with the dimensions and
quality of the tested balls’ surface. The main parameters refer to the ball
diameter [mm] and the number of revolutions affected by the machine during
testing [number of revolutions]. The contact during testing is sphere to plane.
Keywords: bearing ball, fatigue testing, roughness
Cuvinte cheie : bilă rulment, încercare de oboseală, rugozitate
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