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yearl 发表于 2013-7-23 10:41 # y. _- F, f2 I9 x; X) V% }
按新标准,奶嘴应该属于小部件,不做灼热丝。 8 A* s& B4 Q; W, A2 A
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
: o- q( h$ K2 o6 I2 p @The glow-wire test of IEC 60695-2-11 with a test severity of 750 !C or 650 !C as appropriate,
" x( l; C2 \- y5 \is also not carried out on small parts. These parts shall
+ \* Q9 I& S- j2 P9 j$ X comprise material having a glow-wire ignition temperature (GWIT) of at least 775 !C or K9 Z) O( b. H+ B1 H
675 !C as appropriate, or
+ E8 X# K1 e% o5 i0 {( ~; D comprise material having a glow-wire flammability index (GWFI) of at least 750 !C or
* x) n- |1 t. J8 @650 !C as appropriate, or
! A! B4 ^; t6 s% I+ f | comply with the needle-flame test (NFT) of Annex E, or2 ]: X ^( g# k, `, K" _2 F9 p$ F* P
comprise material classified as V-0 or V-1 according to IEC 60695-11-10 provided that the
& t! U6 u) y$ u0 ctest sample used for the classification was no thicker than the relevant part of the+ _, b8 A# ~6 e6 u
appliance. |
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