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yearl 发表于 2013-7-23 10:41 & x3 s2 ^" \2 @1 l d9 ^
按新标准,奶嘴应该属于小部件,不做灼热丝。
. f& ` k$ ^7 I {. [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' q. |% ]- y( y6 W$ y5 e$ N$ G
The glow-wire test of IEC 60695-2-11 with a test severity of 750 !C or 650 !C as appropriate,8 c" G9 B: y- o9 U5 ]& ]
is also not carried out on small parts. These parts shall( {3 @6 d/ l( b6 O$ }, O
comprise material having a glow-wire ignition temperature (GWIT) of at least 775 !C or
7 r. p1 ^5 F) r$ D2 ]2 \675 !C as appropriate, or* u# H+ _; M: k; j+ g# r" [
comprise material having a glow-wire flammability index (GWFI) of at least 750 !C or! U& a- f5 X9 f$ p6 H) x
650 !C as appropriate, or" o6 D0 c( I+ p8 \
comply with the needle-flame test (NFT) of Annex E, or
# g {; Q5 D; m) f comprise material classified as V-0 or V-1 according to IEC 60695-11-10 provided that the
- X! M4 o" {1 K4 ?0 y) z) Ktest sample used for the classification was no thicker than the relevant part of the
* {" ~) i* `$ Y: N8 d, z) Happliance. |
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