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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。
6 h; c3 t! `2 Z' N$ z标准在SANS60884中，具体内容如下：
* A: N% ]: i1 ^! r+ }14.2 Pins of portable accessories shall have adequate mechanical strength.( @; \/ t' c3 C3 m4 ^5 {- L
Compliance is checked by the test of clause 24 and, for pins which are not solid, by the+ B: X- B/ H1 _
following test which is made after the test of clause 21.; h S" C/ Y7 }* n' s/ z
A force of 100 N is exerted on the pin, which is supported as shown in figure 14, for 1 min in a
/ M U0 V, q8 x O2 H- l; R) f) kdirection perpendicular to the axis of the pin, by means of a steel rod having a diameter of
3 C4 S: P; K. |4 L! y) j4,8 mm, the axis of which is also perpendicular to the axis of the pin.
1 g/ `( X, |, n: I* E, IDuring the application of the force, the reduction of the dimension of the pin at the point* s: s! M Q! z' x3 m: a7 H- P
where the force is applied shall not exceed 0,15 mm.
& s2 ? x6 D5 U1 UAfter removal of the rod, the dimensions of the pin shall not have changed by more than9 w, @$ g( H. P8 d5 }& w3 Z5 J
0,06 mm in any direction. |
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发表于 2009-4-25 18:57
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