如果螺丝与螺母的材料有差别,并且螺母热膨胀系数大于螺丝的膨胀系数

来源: newpeople 于 2012-03-27 16:59:10 [] [旧帖] [给我悄悄话] 阅读数 : (51 bytes)
回答: 螺丝帽锈死喷灯最管用 由 主教 于 2012-03-27 06:53:35

有喷灯或许管用;不然金属受热软化,更不容易拧开

所有跟帖： 

• 螺纹会被破坏 -newpeople- ♀ 给 newpeople 发送悄悄话 (0 bytes) () 03/27/2012 postreply 17:01:58

• 回复：如果螺丝与螺母的材料有差别,并且螺母热膨胀系数大于螺丝的膨胀系数 -snapon- ♂ 给 snapon 发送悄悄话 (27 bytes) () 03/28/2012 postreply 10:47:28

• why do u think so? -newpeople- ♀ 给 newpeople 发送悄悄话 (36 bytes) () 03/28/2012 postreply 16:41:14

• some place, u just can't use it, like place close to gas tank or -newpeople- ♀ 给 newpeople 发送悄悄话 (0 bytes) () 03/28/2012 postreply 16:46:18

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