标题: self-threading screw torque test [打印本页] 作者: daocaoren 时间: 2012-12-11 20:15 标题: self-threading screw torque test UL 1598 5.10.2 Self-threading screws, including sheet-metal screws, used to secure electrical or enclosure, U* ]5 G2 B2 i5 d, M& y
component parts in place or together, shall comply with the self-threading screw torque test in Clause% R* ?7 Z4 k' J5 Z7 Y/ R
16.14, when the screw threads into nonferrous metal or polymeric material.4 w; a3 k" D; C( A3 [
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这里讲了when the screw threads into nonferrous metal or polymeric material.，要做self-threading screw torque test 8 U3 |8 c c: f1 Y+ u4 S9 k
如果旋入的是其他材料 比如陶瓷呢？! l6 e/ W! V2 t& { 作者: jsspace 时间: 2012-12-11 20:29
陶瓷能旋入进去？？作者: daocaoren 时间: 2012-12-11 20:34
可以啊 有牙的 就是一个陶瓷灯座 倒T型的 底盘用螺丝固定了带插头的电源线作者: Nezof 时间: 2012-12-12 08:53
陶瓷能耐得住冲击不？: L0 b* ]4 r+ o
貌似很多用陶瓷的都是用铆钉铆死的 ( y% @" z1 G7 y7 A