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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。
) {4 ?* p5 ~- V4 U标准在SANS60884中,具体内容如下:. U1 T ~: J$ R
14.2 Pins of portable accessories shall have adequate mechanical strength. v" {& M4 i8 \5 }
Compliance is checked by the test of clause 24 and, for pins which are not solid, by the
9 C; O+ n1 z; _7 V' `following test which is made after the test of clause 21.
/ n/ L# M& O/ [6 k6 G- H5 ?A force of 100 N is exerted on the pin, which is supported as shown in figure 14, for 1 min in a
$ a. O* R8 I; q odirection perpendicular to the axis of the pin, by means of a steel rod having a diameter of
" D- C( T* R2 `0 q7 T4,8 mm, the axis of which is also perpendicular to the axis of the pin.. F" f; d8 F o* |; h" [
During the application of the force, the reduction of the dimension of the pin at the point
6 i! X! V$ n" W5 _6 Z+ n+ B- dwhere the force is applied shall not exceed 0,15 mm.( U( ?* c, l' |' A2 M4 s. E
After removal of the rod, the dimensions of the pin shall not have changed by more than
3 f' M8 X: y# G6 p K* s9 \0,06 mm in any direction. |
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