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|  DSH 466
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3 Z8 c. x# ?( o6 A7 L. O+ k2 q7 f
| Screws and connections) T- Q7 ]* c* n/ B' o) Z( [, J, j
| 28# f( u4 k. t0 p H1 }
| 60335-1(ed.2)' Y% F. g2 g0 D' ^, h9 I1 c
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# L2 X7 y$ n% P) u9 R* _Standard: IEC 60335-1:1976, 2nd Ed.
* w# ~5 s4 w( a! o( n1 _Sub clause: 28. w1 k- I3 \) z' t7 }
Sheet No. DSH-466
9 {9 ~( \8 j. C, O0 pSubject: Screws and connections
, d7 C9 g+ z; d) {9 ~+ A, m3 NKey words: - torque test
/ b+ B3 p+ O! i1 C! n$ p1 Y7 T N7 ?4 VDecision taken at the 40th CTL meeting 2003
) m3 J0 x0 u# k7 z! t3 ?Question:+ M, x; o0 Q' _& `7 H& @+ H
How many times shall screws be tightened and loosened during the torque test in view of3 E- _) z% b* y* a' {
previous tests?
2 X3 H% A/ S6 C+ ^, R, `0 r. RRationale:5 g; {) r' S$ x5 [( E* o" `
See question.
: O4 J( U$ S; J6 x* E/ h( O4 C: N JDecision:
3 R5 u6 E$ }) U+ @7 H; r& aTests have to be carried out as stated in sub-clause 4.2 of IEC 335-1:1991. The tests are
8 |" T& ~! I+ U9 Umade on a single sample as delivered, which shall withstand all the relevant tests.5 o: _* Q2 z' s* H6 @* t/ h4 B
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