|
|
最近在一家实验室做带转换插头(VDE/BS/AU/CHN/US)电源的CB测试, 实验室要求对转换插头做EN50075和IEC60884-1的测试. 其中有一项测试为:
' O* U( E" {! }/ d& c0 y/ d# j" t g' P30.1 Pressure test at high temperature
. Q/ o/ r+ A( A2 x, LThe specimens are tested by means of the apparatus shown in figure 41. This apparatus has
$ }3 I- T" p5 N$ @! l8 wa rectangular blade (see figure 41a) with an edge 0,7 mm wide, to be used in the case of
, q. L* p4 k9 X% Uround pins, or a blade having a round shape (see figure 41b), with a diameter of 6 mm and an
& G: i; e/ g! k9 t( ?0 l" Nedge of 0,7 mm, in other cases.
9 e7 v$ _2 K0 [1 b( m1 vThe specimens are placed in position as shown in figure 41.
" n7 A+ u/ F* J9 `$ d3 QThe force applied through the blade is 2,5 N. r [4 t+ x2 ?
The apparatus, with the specimen in position, is maintained for 2 h in a heating cabinet at a
- W2 m' Z2 X5 }' d! O, i; A5 [temperature of (200 ± 5) °C.6 i9 R7 S6 K9 S! W4 V. h4 M
The specimen is then removed from the apparatus and, within 10 s, cooled by immersion in: U" F8 W& [# W9 _
cold water.* K$ t: I) k; f* J2 V; v
The thickness of the insulation remaining at the point of impression is measured and shall not L% ~# p0 j0 U- [) d) g- z/ O
have been reduced by more than 50 % of its original value measured at the start of the test.
/ ?, v# B+ w4 G% CNOTE The values 2,5 N and (200 ± 5) °C are provisional.# B& R* c. |- J
2 F' `! h4 b* ~3 I) X1 f8 b当时我们采用PC6485的材料做, 结果是胶都融化了.
' e" I: _) `4 E9 ?. B
j1 O7 {2 F) C o请各位帮忙是否做过类似测试?请帮忙提供可以通过此测试的塑胶材料.
* u* `% Y6 M& u- ]" ]( w9 Y$ B2 X- k+ d! a
谢谢各位了. |
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2008-7-18 10:48
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡