Cylindrical roller with logarithmic curve
A cylindrical roller, logarithmic technology, applied in the field of rolling bearing parts, can solve problems such as local stress concentration, limited bearing performance improvement, and inability to use materials on both sides in a balanced manner, so as to reduce interference, pollution, contact, etc. Effects of increased fatigue life and reliability, reduced friction and wear
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[0020] The present invention will be further described below in conjunction with the drawings and specific embodiments.
[0021] Such as figure 1 , figure 2 As shown, the shape of the generatrix 2 of the bearing surface of the cylindrical roller 1 of the present invention is composed of a symmetrical logarithmic curve from the middle to both sides. The logarithmic curve is slightly convex in the middle of the generatrix 2, and slowly decreases to both sides. The two ends of the logarithmic curve bus are smoothly connected with two chamfered arcs.
[0022] The logarithmic curve is:
[0023] y = R - K ln 1 ( 1 - ( x l ) 2 ) - - - | ...
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