|
UL 1598 5.10.2 Self-threading screws, including sheet-metal screws, used to secure electrical or enclosure2 z' W: F7 z2 T1 i' t
component parts in place or together, shall comply with the self-threading screw torque test in Clause
8 w- f1 S# D, c9 d! R& J16.14, when the screw threads into nonferrous metal or polymeric material.% K( c4 s! w3 J% @6 d
; c1 b1 l# ]1 B: M! p
这里讲了when the screw threads into nonferrous metal or polymeric material.,要做self-threading screw torque test
- m4 V7 Z& D! \' m( D9 p6 [6 S9 ~' \ A如果旋入的是其他材料 比如陶瓷呢?' h+ ?* D# m4 J4 m
|
|