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yearl 发表于 2013-7-23 10:41
0 O7 c9 u# F% \; [按新标准,奶嘴应该属于小部件,不做灼热丝。
5 S1 P- x7 d2 e! s不是小部件不做灼热丝,很多人都说小部件不用做灼热丝,那是断章取义的理解,其实小部件不用做灼热丝是有前提要求的,请参看30.3.2
( I3 g [# B* I- J0 qThe glow-wire test of IEC 60695-2-11 with a test severity of 750 !C or 650 !C as appropriate,- m7 a! ]; z' k
is also not carried out on small parts. These parts shall
7 \4 R& o+ x; d4 ?+ t comprise material having a glow-wire ignition temperature (GWIT) of at least 775 !C or& ?7 \" Y2 ?8 B" ~
675 !C as appropriate, or
! E4 x7 _6 N$ V7 l, L2 B4 R comprise material having a glow-wire flammability index (GWFI) of at least 750 !C or9 ~$ x2 I7 Y0 E: u
650 !C as appropriate, or; M l' @1 _: Q3 y) t: \
comply with the needle-flame test (NFT) of Annex E, or \4 P" y6 [) G) {1 Q1 h
comprise material classified as V-0 or V-1 according to IEC 60695-11-10 provided that the
" ~( \5 j- _ s, d' K. S1 \: etest sample used for the classification was no thicker than the relevant part of the
3 F, ~9 C$ f" dappliance. |
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