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沉头螺丝的加工方法
Time:2020-10-26 05:24:48
Visits:977
沉头螺丝的加工方法
组合螺丝
讯:
第一,扩孔锥度应为90°,给与保证,宁可小于90°,不可大于90°这可是一个关键的绝招。如果板材厚度小于沉头螺钉头厚度,可以更换小尺寸螺丝,或者宁可扩孔小些,也不可扩孔使底孔直径变大导致零件压不紧。零件上如有多个沉头螺钉孔,加工时要精确度高,钻歪后组装起来很难看,但只要误差不大,就可以拧紧,因为拧紧时,如果螺丝直径不太大(约8mm),孔距有误差,螺丝头就会变形或被拧紧。
组合螺丝谈如何正确使用沉头螺丝
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