标题: small part的定义 [打印本页] 作者: tsunn 时间: 2013-2-2 11:46 标题: small part的定义 本帖最后由 tsunn 于 2013-2-2 11:59 编辑 $ U6 I" `" {9 E
" J- j' A& ^! G0 `; Y7 ?: RIEC60335-1的3.6.6对small parts的定义应该怎么理解? + c+ A4 M: c* O' ysmall part + x d- N3 D9 Npart, where each surface lies completely within a circle of 15 mm diameter, or a part where2 i) y$ ?, w* o3 x/ s* o y
some of the surface lies outside a 15 mm diameter circle but in such a way that it is not ! v, y8 u5 o6 r4 j0 e+ g& [0 `possible to fit a circle of 8 mm diameter on any of the surfaces% q T" w4 n, o9 H0 u
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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. }% n6 F4 P: q
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 4 v& l* H4 v$ e" _8 N; wis shown in example B in Figure 5. A part that is not a small part is shown in example C in Figure 5. * x, i/ j3 X3 j作者: craigyu 时间: 2013-2-2 12:00
对照图5比较好懂作者: H-RH 时间: 2013-2-2 13:30 本帖最后由 H-RH 于 2013-2-2 13:39 编辑 & I# F8 z, K- t : X6 W* B n6 xSmall part:" y g( Q3 W$ T1 A5 c- j
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[attach]78607[/attach]% z0 C( H t; }2 P 作者: H-RH 时间: 2013-2-2 13:31 本帖最后由 H-RH 于 2013-2-2 13:39 编辑 & T. h) D( k9 _0 l: O
4 C6 J2 N5 E" m- ?+ T7 G, M Not a small part:) ~( J5 L+ d- f X