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本帖最后由 tsunn 于 2013-2-2 11:59 编辑 & R7 x) f6 P; U" \2 V9 p) y$ q
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IEC60335-1的3.6.6对small parts的定义应该怎么理解?
+ J+ s5 ?$ `. }- _& f/ Dsmall part
, U7 A+ J/ g$ p$ @" A% ?part, where each surface lies completely within a circle of 15 mm diameter, or a part where
) X$ g5 H) ?3 l+ K1 O' I% Csome of the surface lies outside a 15 mm diameter circle but in such a way that it is not K) {& ?# ]6 R
possible to fit a circle of 8 mm diameter on any of the surfaces
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* K7 t! ~ D3 nNOTE A part that is too small to grip and at the same time to be able to apply the glow-wire tip is shown in
* m$ n g7 u! @3 Y# u* q3 yexample 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
N5 ? o9 J; X1 Ois shown in example B in Figure 5. A part that is not a small part is shown in example C in Figure 5.2 C1 I" N8 S# Y) N9 k5 Y/ v7 M# F
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