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O型圈密封,導(dǎo)向環(huán)導(dǎo)向,活塞和活塞桿的間隙如何選擇 |
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點評
是2者的間隙,導(dǎo)向環(huán)要求間隙為0.2---0.5mm,o型圈要求H9/f8
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點評
那個公差是o圈要求的活塞和缸筒的配合
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