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|  DSH 108
: u9 C. B( a" s0 z* {; j9 v
1 A& @) Y, L( [ X: l1 n/ R# R+ `" W | Screws and connections4 g x, k/ E+ e
| 28.1& d3 Z$ E8 U: T( z* Z0 i
| 60335-1(ed.3)
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, v8 l# o. M3 ^ L' P% ]4 q3 s+ JStandard:; g+ W; z* M# k. k5 y5 z* u9 {
IEC 60335-1: 3rd ed. 1991; r% ~$ e4 E6 y( ~
Sub clause: 28.1 Sheet n°: 108
: i" a. X! B. f9 @$ S+ E0 ?Subject: Screws and connections Key words:
; z+ v G) M( c- screws in engagement in insulating material
2 I4 T' \% r+ T; NDecision of: 23rd CTL meeting to be reaffirmed at 39th meeting.4 P* r) n6 b8 U& e7 h
Question:
1 |& p. }4 Y& J; BShall the torque test on screws, where the screws thread into insulating material, be carried
. \$ u) c: l' U9 Zout 10 times consecutively or with a pause between each time?0 ?/ U3 L4 r' n# F
Decision:& b& n; v- H4 E3 n
The test should be performed with a pause between each time for adequate cooling time" i( X0 x) T9 n* d# k P
between each torque test* N R4 k, T ?8 A
6 G- l! L& |. [. m: _ ]
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发表于 2012-9-14 14:05
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