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EN 71磁铁测试的要求是不是磁通量不能超过50平方千高斯平方毫米,或者不能是小部件,两个条件必须同时不满足还是只要有一个条件不满足就可以FAIL了呢 ?谢谢
+ {- E& K' V+ a, P" B4.23 Magnets (see A.51)
9 }; o; f% \' ~, S O( R4.23.1 General
: @) C* W x' N5 fThe requirements in 4.23.2 do not apply to functional magnets in electrical or electronic components of toys.4 V2 y4 c2 Q3 v7 U, ]/ I
The requirement in 4.23.3 does not apply to magnetic/electrical experimental sets in which all magnets have a5 G$ ? D }* H! }
magnetic flux index less than 50 kG2mm2 (0,5 T2mm2) when tested according to 8.35 (magnetic flux index), or' r) n+ |1 ~) ~8 \1 \& B
do not fit entirely in the cylinder when tested according to 8.2 (small parts cylinder).! ^: X' E7 [. U* X
4.23.2 Toys other than magnetic/electrical experimental sets
f6 q/ S. X$ k4 m* e a+ Ca) Any loose as-received magnet(s) and magnetic component(s) shall either have a magnetic flux index
2 u) ? }9 |& d% e% Z0 jless than 50 kG2mm2 (0,5 T2mm2) when tested according to 8.35 (magnetic flux index), or shall not fit! {7 z( [/ `+ l1 j
entirely in the cylinder when tested according to 8.2 (small parts cylinder).
! ~. E, x# q2 M& J: B3 W8 Cb) Any magnet(s) and magnetic component(s) that become(s) released from a toy, or from a loose asreceived
( v8 d. e* `! C R9 umagnetic component, when tested according to 8.3 (torque test), 8.4.2.1 (tension test,
" Y+ T! V2 F* Jgeneral), 8.4.2.2 (tension test, seams and materials), 8.5 (drop test), 8.7 (impact test), 8.87 G7 k9 Y1 m7 H, A3 {1 P. V
(compression test), and finally, for magnets that are accessible but not grippable (as specified in
* j) P1 n0 q2 N) h8.4.2.1), 8.34 (tension test for magnets), shall either have a magnetic flux index less than 50 kG2mm2
6 p9 C+ G6 ]/ [% b) @/ D6 U+ G(0,5 T2mm2) when tested according to 8.35 (magnetic flux index), or shall not fit entirely in the cylinder) C( s7 ^+ A; c: i7 f
when tested according to 8.2 (small parts cylinder).
& z- _5 {3 h* p9 i7 ]" _4 M" }NOTE An example of a magnet that is accessible but not grippable could be a magnet that is recessed.
& ^/ u% t( b j5 }8 Z2 Yc) Wooden toys, toys intended to be used in water, and mouth-actuated toys shall be tested according to0 k0 w3 f, t( s" e) j+ S
8.9 (soaking test) before being tested according to 4.23.2 b) above.2 q5 F+ W+ G2 `# K9 q5 N0 K& c
4.23.3 Magnetic/electrical experimental sets9 L% f" @' I9 s* Q2 o! T& F& G5 c- t- k
Magnetic/electrical experimental sets intended for children over 8 years shall carry a warning (see 7.20). |
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