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南非插头的插针是可以用空心插针的，不过要求做相关的测试。9 w7 j1 `! T/ z9 _; h; R7 {# I
标准在SANS60884中，具体内容如下：
1 ?7 f4 @/ P; D# P$ Q6 Q14.2 Pins of portable accessories shall have adequate mechanical strength.
! ^3 ?2 W2 _0 f9 B) f, X. H" qCompliance is checked by the test of clause 24 and, for pins which are not solid, by the
" O2 X! ~! H4 H2 n$ C$ r, Efollowing test which is made after the test of clause 21.0 \6 b; w+ l* }
A force of 100 N is exerted on the pin, which is supported as shown in figure 14, for 1 min in a( {) G4 h: S- P/ Q1 l+ W3 I- E
direction perpendicular to the axis of the pin, by means of a steel rod having a diameter of
6 Q* p* e* d7 v7 d3 @2 C0 t4,8 mm, the axis of which is also perpendicular to the axis of the pin.
2 |0 l. {( k) m) T: X8 |; @8 x# PDuring the application of the force, the reduction of the dimension of the pin at the point }* N$ I$ Q3 E, B$ p
where the force is applied shall not exceed 0,15 mm.
6 N5 I' s4 p, Q+ V) n* cAfter removal of the rod, the dimensions of the pin shall not have changed by more than$ M2 [/ K& F" F) V
0,06 mm in any direction. |
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发表于 2009-4-25 18:57
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