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18.4該尺寸是偏心的,,不是居中的,加工時(shí)是先以45該尺寸分中下刀加工9然后加工18.4該尺寸,,其實(shí)我就是怕分中不準(zhǔn),,所以要標(biāo)對(duì)稱度。9 ]+ g( b6 U4 i4 a# p |
18.4的對(duì)稱度如圖 |
00-002-331.jpg (58.46 KB, 下載次數(shù): 187)
平行度和垂直度就可以了吧? |
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