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本帖最后由 tsunn 于 2013-2-2 11:59 编辑 / ^3 m; ]6 M1 c1 p
7 y3 j0 `+ V+ z' C; c1 ?IEC60335-1的3.6.6对small parts的定义应该怎么理解?" p& ^8 I: D3 J- Q3 k2 A$ |
small part
( J7 k9 ~, k0 Z+ cpart, where each surface lies completely within a circle of 15 mm diameter, or a part where$ \" S1 V5 Z' k7 y1 j% v
some of the surface lies outside a 15 mm diameter circle but in such a way that it is not
6 d/ m7 U8 D7 @3 L5 J2 f( ipossible to fit a circle of 8 mm diameter on any of the surfaces
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% }3 ] B) f& B! x9 ONOTE 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
4 `4 W0 K* F0 @. k8 E l9 }9 Texample 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; Y* S) z Z0 ~- Q: T
is 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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