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yearl 发表于 2013-7-23 10:41 $ n8 G) t; f! F
按新标准,奶嘴应该属于小部件,不做灼热丝。 ; f- `; E( c8 F* p
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) x6 j: J' @5 p9 S8 u: V
The glow-wire test of IEC 60695-2-11 with a test severity of 750 !C or 650 !C as appropriate,. q0 a9 F- b6 T$ i4 x- U8 x
is also not carried out on small parts. These parts shall
5 D9 y! [: d8 W7 q2 Y$ Y comprise material having a glow-wire ignition temperature (GWIT) of at least 775 !C or
" A; K3 p3 x0 N675 !C as appropriate, or
5 p* Z8 U/ H) v. ]/ G comprise material having a glow-wire flammability index (GWFI) of at least 750 !C or
4 O% e- W! I2 L650 !C as appropriate, or j7 G" f& D) Z5 s7 M( x' b
comply with the needle-flame test (NFT) of Annex E, or P' O) |0 p! _8 U0 [( t
comprise material classified as V-0 or V-1 according to IEC 60695-11-10 provided that the
) n: Z1 G, E& Ytest sample used for the classification was no thicker than the relevant part of the5 r& q( L; U, ^; ^$ F V, @
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