几种主要加工方法达到的圆度、圆柱度公差等级

表面

加工方法

公  差  等  级

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轴

精密车削

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普通车削

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●

●

●

●

普通立车

粗

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细

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●

●

自动、

半自动车

粗

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●

细

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●

精

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外圆磨

粗

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●

●

细

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●

●

精

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●

●

无心磨

粗

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细

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●

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研   磨

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精   磨

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孔

钻

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镗

普通镗

粗

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细

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●

●

精

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●

金刚

石镗

细

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●

精

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铰   孔

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扩   孔

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内圆磨

细

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●

精

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●

研   磨

细

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●

●

精

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珩   磨

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