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|  DSH 466: ?8 S! ]6 k! T" Y
, Q. ^5 W @' h+ W
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| Screws and connections
/ `0 V# R: M# h& t | 28
( h7 [; Y% \* N! r5 e- y | 60335-1(ed.2)
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Standard: IEC 60335-1:1976, 2nd Ed.
3 n% s0 W' j+ I! W' o9 r% bSub clause: 28
/ n) n; e5 d6 x! y/ ?) K3 _, Z7 x: WSheet No. DSH-466. k0 V" C2 f6 ?/ ]6 G: v+ y
Subject: Screws and connections$ o$ }6 w% y. f- }. r3 t$ t3 B; r
Key words: - torque test% X: w4 p. t" k: w8 Z7 o, p6 }
Decision taken at the 40th CTL meeting 2003
2 }0 o6 `( ` O; a/ M; Y/ V3 bQuestion:5 I& N* A) J' f4 B
How many times shall screws be tightened and loosened during the torque test in view of
) ^3 D0 n0 h$ `7 f/ Hprevious tests?9 c8 w: Q2 u, @' U, i- A0 w" U
Rationale:- a' a8 T2 g; Q5 l
See question." K I9 S% K8 \( }3 o8 X* d
Decision:
( E5 o0 f% s" Y6 O# ~0 YTests have to be carried out as stated in sub-clause 4.2 of IEC 335-1:1991. The tests are
+ _, d. l \5 R+ E9 pmade on a single sample as delivered, which shall withstand all the relevant tests.
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