Geometric accuracy and semblance quality were required seriously during grinding outer ring raceway and rib of bearing synchronistically, common corindon grinding wheel was not very effective.

轴承外滚道及挡边同步磨削时几何精度和外观质量要求高，普通刚玉类砂轮加工效果不好。

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This paper analyses the burn problem produced from highspeed crush grinding of the bearing outer ring raceway. And a solution is presented, then good results are achieved by practical application.

本文对高速切入磨削轴承外圈沟道所产生的烧伤现象进行分析和探讨，并提出了具体的解决方法，在实践中取得了良好的效果。

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This kind of bearing outer ring raceway is spherical shape, so the self-aligning good performance, to compensate concentricity error.

该类轴承外圈滚道是球面形，故其调心性能良好，能补偿同轴度误差。

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