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一、引言自行车前后轴挡是重要的承重耐磨零件,其寿命的高低对自行车的质量与声誉影响很大。在使用中其失效方式是在与滚珠接触部位出现麻点,剥落,严重者出现沟槽。
I. INTRODUCTION The front and rear axle gears of the bicycle are important load-bearing and wear-resistant parts. The life span of the bicycle has a great influence on the quality and reputation of the bicycle. In the use of its failure is in contact with the ball appeared pitting, peeling off, in serious cases of grooves.