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本帖最后由 tsunn 于 2013-2-2 11:59 编辑
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IEC60335-1的3.6.6对small parts的定义应该怎么理解?; g) v1 F' Q3 I& f$ l7 \5 P
small part1 L8 E; f/ s1 O
part, where each surface lies completely within a circle of 15 mm diameter, or a part where
+ F: K! x" E4 h; F. M2 G! {, Isome of the surface lies outside a 15 mm diameter circle but in such a way that it is not
/ B7 e. I% L+ e7 w% `' ]possible to fit a circle of 8 mm diameter on any of the surfaces$ e% F( r6 E5 a" q, H9 A
5 Q: G: s! V. ^NOTE A part that is too small to grip and at the same time to be able to apply the glow-wire tip is shown in8 |0 ~" W2 t3 j# C( a E
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
/ h1 n% F4 f( o" ]7 h& [. Ris shown in example B in Figure 5. A part that is not a small part is shown in example C in Figure 5.
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