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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。
; }- o1 N" m: l. @- r& X标准在SANS60884中,具体内容如下:% N" D D( D& u2 _
14.2 Pins of portable accessories shall have adequate mechanical strength.; W+ o; k) A- l& j4 X, o, A
Compliance is checked by the test of clause 24 and, for pins which are not solid, by the) m" M1 |+ Z. M$ Q! T
following test which is made after the test of clause 21.
9 {( O# [3 {; L- G( KA force of 100 N is exerted on the pin, which is supported as shown in figure 14, for 1 min in a
$ }0 n2 v# m. v) E# u! ^6 g4 z& Sdirection perpendicular to the axis of the pin, by means of a steel rod having a diameter of d" |4 o9 ? ^1 S( \7 s3 u
4,8 mm, the axis of which is also perpendicular to the axis of the pin.
* X/ w1 H. Q2 J. F& P! xDuring the application of the force, the reduction of the dimension of the pin at the point
3 T9 l. n$ ? z: mwhere the force is applied shall not exceed 0,15 mm.2 @7 c$ u" n3 Z9 D5 T, x. G' }
After removal of the rod, the dimensions of the pin shall not have changed by more than
4 F+ }) m# f1 B9 |. n0 w0,06 mm in any direction. |
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