|
9 s2 X+ h" V/ Y$ P4 a! r7 Z, o) f5 E, o
Standard:, \+ b [% T X/ j: Y
IEC 60335-1: 3rd ed. 19919 _# k2 M3 @; G) a: Z- A" I' N e. C
Sub clause: 28.1 Sheet n°: 108
5 ]3 Q0 K3 ~; @3 {5 c4 V( CSubject: Screws and connections Key words:. T3 d0 a6 F% X, H0 U# k
- screws in engagement in insulating material2 T: s( C2 d( F- a* l& J
Decision of: 23rd CTL meeting to be reaffirmed at 39th meeting.
9 v3 p! _: y5 E2 p( i2 x$ y' ^Question:( e$ c3 V; O( f2 ?& _
Shall the torque test on screws, where the screws thread into insulating material, be carried1 n+ D$ l5 y+ _
out 10 times consecutively or with a pause between each time? m3 I! V7 X6 V
Decision:9 k" m) |3 _: x# ?( ^
The test should be performed with a pause between each time for adequate cooling time
" P2 F$ ^6 x! Z6 U- @. ybetween each torque test# Z% a3 a8 \( H, ?, ~
: Q# ]# f0 y7 d9 B+ r \. O/ ?* ]
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册安规
x
|