形状和位置公差的选择

加工方法

公  差  等  级

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面   对   面

研  磨

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刮

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磨

粗

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细

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精

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铣

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刨

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拉

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插

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轴  线  对  轴  线  (或平面)

磨

粗

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细

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镗

粗

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细

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精

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金刚石镗

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车

粗

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细

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铣

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钻

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