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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?* z3 g" C% w( u G6 r- g
small part: Y5 t- E+ P* C5 W, c) Z
part, where each surface lies completely within a circle of 15 mm diameter, or a part where
/ ~, d g! U& g" Fsome of the surface lies outside a 15 mm diameter circle but in such a way that it is not/ N" O% ?4 i# a* N2 w7 b& d; z
possible to fit a circle of 8 mm diameter on any of the surfaces
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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 in' O& @5 R5 x* O7 ]9 o5 t! q& L
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 tip8 \) a1 s r7 b
is shown in example B in Figure 5. A part that is not a small part is shown in example C in Figure 5.6 j6 A2 \8 t7 `$ _" L$ O
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