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本帖最后由 tsunn 于 2013-2-2 11:59 编辑
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% X. B7 j* r; _. F- eIEC60335-1的3.6.6对small parts的定义应该怎么理解?6 J& }9 u0 H/ g6 {5 X* C
small part
, H( A4 ~- O" upart, where each surface lies completely within a circle of 15 mm diameter, or a part where
|' c* _1 I: ?; p% O. ssome of the surface lies outside a 15 mm diameter circle but in such a way that it is not
& E, S x& ^. D2 V* Bpossible to fit a circle of 8 mm diameter on any of the surfaces0 s5 |# @4 B' ], {7 v
0 ~+ }! N& W% X* m# I7 N) t( ANOTE A part that is too small to grip and at the same time to be able to apply the glow-wire tip is shown in6 v8 D2 y3 @* l. x. j8 s
example A in Figure 5. A part that is large enough to grip but that is too small to be able to apply the glow-wire tip; _1 W1 Y3 n2 h1 N1 B
is shown in example B in Figure 5. A part that is not a small part is shown in example C in Figure 5.2 W6 `( [# G) ^2 o1 O# b
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