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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?
4 J" l0 `* o2 X6 P4 ] esmall part! H1 _: P9 _) f2 P
part, where each surface lies completely within a circle of 15 mm diameter, or a part where- H& v/ A% C2 @, h
some of the surface lies outside a 15 mm diameter circle but in such a way that it is not
8 b9 x& o' v6 Q$ J7 w& D9 V2 j/ Ipossible 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
! s: ]$ c* y g0 h4 ]7 X. V2 vexample 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
% d" x O" W6 N2 B3 \ F. l2 }; a0 mis shown in example B in Figure 5. A part that is not a small part is shown in example C in Figure 5.( E- X+ A6 g! |2 o3 e
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