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精锻后,如何定位加工孔 |
发表于 2010-11-12 12:57
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发表于 2010-11-12 15:39
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钢球定位是比较传统的工艺,据试验验证,其加工后公差值较大,重复定位性差,适用于中等精度加工。
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发表于 2011-1-7 22:09
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