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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。
" H s* E# |$ ^9 l7 \& C标准在SANS60884中,具体内容如下:& F. V: H' ]1 y5 S5 s; T
14.2 Pins of portable accessories shall have adequate mechanical strength.
6 v" U; C8 ~+ J' oCompliance is checked by the test of clause 24 and, for pins which are not solid, by the
8 M" H8 w' O2 }$ z4 w2 w2 tfollowing test which is made after the test of clause 21.6 p1 t a7 g! L
A force of 100 N is exerted on the pin, which is supported as shown in figure 14, for 1 min in a6 Z- d! t) S0 ?
direction perpendicular to the axis of the pin, by means of a steel rod having a diameter of
' Y5 f( Y" t! w* u5 L! p& D9 l9 ^. ~4,8 mm, the axis of which is also perpendicular to the axis of the pin.
) A4 t/ x$ B4 \1 g8 ]During the application of the force, the reduction of the dimension of the pin at the point/ Q5 i% ]' c& f( r, O; x- B- w, D
where the force is applied shall not exceed 0,15 mm.
5 L3 u/ ]) n* A& w( l- AAfter removal of the rod, the dimensions of the pin shall not have changed by more than5 g- ?. y: h$ T2 h5 u. B
0,06 mm in any direction. |
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