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端面圓跳動(dòng),請(qǐng)教 |
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點(diǎn)評(píng)
其實(shí)以A、B為基準(zhǔn)主要目的是要求在加工時(shí)要一刀下,使A、B減少垂直度偏差,保證另一邊跳動(dòng)度最大值。不加基準(zhǔn)B,加工時(shí)A、B不一定一刀下了。
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