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yearl 发表于 2013-7-23 10:41
: _- H0 _# y/ n5 a5 r4 e按新标准,奶嘴应该属于小部件,不做灼热丝。
+ L4 z+ L, I/ C7 h, B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( R+ {5 Y! F- y% \ {0 c/ |" O, V
The glow-wire test of IEC 60695-2-11 with a test severity of 750 !C or 650 !C as appropriate,
: ?8 S6 P; j; ]0 o6 H/ Jis also not carried out on small parts. These parts shall
) l* [: V" [+ l comprise material having a glow-wire ignition temperature (GWIT) of at least 775 !C or( i k' b1 x$ S7 V( g8 e% o9 O
675 !C as appropriate, or" s" p% n: K9 |; l
comprise material having a glow-wire flammability index (GWFI) of at least 750 !C or
5 ^! ~' ~; k: H" G4 u650 !C as appropriate, or, P4 Y( ]% G/ @0 l# [* o
comply with the needle-flame test (NFT) of Annex E, or/ a( C, o8 v* ]" D8 i4 T
comprise material classified as V-0 or V-1 according to IEC 60695-11-10 provided that the% N1 K5 i6 W% X( F7 y5 T+ ?' h
test sample used for the classification was no thicker than the relevant part of the
3 w0 V3 z! q' r) R5 Oappliance. |
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