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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?
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part, where each surface lies completely within a circle of 15 mm diameter, or a part where
2 N7 F, O- i; w# vsome of the surface lies outside a 15 mm diameter circle but in such a way that it is not& F- O4 f: q$ d& M
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! }) R' g: B" ]& `* Z
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
) Z, k% U D1 Sis 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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