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yearl 发表于 2013-7-23 10:41
A1 T; K2 o* a" g4 v2 C按新标准,奶嘴应该属于小部件,不做灼热丝。 ( v/ o/ a) {6 B- E) ~; k: Y6 E
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
, f4 ?4 m% P6 z; n2 }The glow-wire test of IEC 60695-2-11 with a test severity of 750 !C or 650 !C as appropriate,( @! B" j* n! o' `& L! p
is also not carried out on small parts. These parts shall
) e& J% ~# V0 k( Z$ o1 T comprise material having a glow-wire ignition temperature (GWIT) of at least 775 !C or
3 l( }! q4 t. y e. b" k675 !C as appropriate, or2 ]9 G2 |! z7 V$ Y7 Q
comprise material having a glow-wire flammability index (GWFI) of at least 750 !C or3 o* h+ c2 h! T
650 !C as appropriate, or4 Y- u& A [. Y e4 B
comply with the needle-flame test (NFT) of Annex E, or) p1 C: o) [% E' h
comprise material classified as V-0 or V-1 according to IEC 60695-11-10 provided that the
# Z0 D1 ?# J: q% L, e( Rtest sample used for the classification was no thicker than the relevant part of the
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