形状和位置公差的选择

表面

加工方法

公  差  等  级

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12

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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●

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精   磨

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●

孔

钻

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●

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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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●

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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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