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|  DSH 1085 M% `( W7 M- S5 q0 t- H% i4 U8 c
8 h+ t; Z+ T* D/ F6 C) D* ^" n4 Y- M
| Screws and connections
# |# z6 s0 s, G- T7 ]/ X4 \# k0 y | 28.1+ c1 m- M7 y2 M2 ?9 M7 C5 S
| 60335-1(ed.3)
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1 b( T8 Z7 G, ^Standard:6 l/ s; u' w# N" E6 y
IEC 60335-1: 3rd ed. 1991
! R p0 F3 L5 J, }5 m; V5 }! GSub clause: 28.1 Sheet n°: 108
9 ?1 C1 X' ~! i7 Z$ M) Q" T& JSubject: Screws and connections Key words:
# k) S9 f+ c, u2 s- R, C+ Z- screws in engagement in insulating material" d# n5 ]$ |8 N. t( P' p Y
Decision of: 23rd CTL meeting to be reaffirmed at 39th meeting.
2 m; L0 {4 \9 s+ a+ X0 VQuestion:% R) H+ c; s9 p( O! B) y& i, n
Shall the torque test on screws, where the screws thread into insulating material, be carried8 h& e9 W4 S0 e9 e
out 10 times consecutively or with a pause between each time?$ m4 X4 u0 p, [$ w8 a7 J+ k
Decision: r7 e3 [& ^) y. R; q8 P
The test should be performed with a pause between each time for adequate cooling time
6 T, s- y7 E7 p7 A5 zbetween each torque test
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+ O# ?1 L1 T) W& N1 W |
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发表于 2012-9-14 14:05
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