|
|
你这个问题没描述清楚。这个图2是IEC61984的图2，而IEC61984里面说的很清楚了：
6 B0 K. w7 I7 g% D7 _$ p$ F1 c K& @3 L _, @
7.3.10 Bending (flexing) test& u, n, @9 w$ N
Non-rewirable connectors shall be subjected to a bending test in an apparatus similar to that6 P0 f% [+ ^ g, W x |
shown in Figure 2.
, ]/ w$ O- z! Q7 @9 P: W0 G( e% ^5 Q: y n4 ?4 z: f
The specimen is fixed to the oscillating member of the apparatus so that, when this is at the' u4 U4 |: y: A; q
midpoint of its travel, the axis of the flexible cable, where it enters the specimen, is vertical
2 `8 C! g, R, F% V& T( m) iand passes through the axis of oscillation.
5 f4 ^6 a& @: k$ _8 _. CThe oscillating member is, by variation of distance d shown in Figure 2, so positioned that the( _. y+ B/ q7 j# ~+ q& P/ ?
flexible cable makes a minimum lateral movement when the oscillating member of the test# Y. n! e; K: q. }' I/ u5 S' g
apparatus is moved over its full travel.
. T# r3 V4 [3 FThe cable is loaded with a weight such that the force applied is
1 i. M2 x6 R: p5 I0 J }9 C3 ]- o- a• 20 N for non-rewirable connectors with a conductor cross-sectional area > 0,75 mm2;
& t' P8 i `. {+ U8 Q• 10 N for non-rewirable connectors with a conductor cross-sectional area ≤ 0,75 mm2.- k0 h+ C+ z# i1 P) H
A current equal to the rated current of the connector is passed through the conductors, the
3 v" u% @( d) ?; l' yvoltage between them being the rated voltage. The protective conductor, if any, shall be4 T' w" S/ A2 |, ?1 k5 T
loaded with a sufficient current to perform the continuity test.' B; ]3 M1 E( G* X( `( ^
The oscillating member is moved backwards and forwards through an angle of 90° (45° on
[4 E: }- P: l* _0 o, T6 ieither side of the vertical). The number of bendings shall be specified by the DS or the- d3 |$ s6 h5 ^" p& z% O
manufacturer’s specification. Preferred values are given in Table 4b. The rate of bendings* W1 X+ a) n7 i) x8 h
shall be 60 per minute. One bending is one movement, either backwards or forwards.9 |* d" c: b* x& P1 b n
Specimens with cables of circular cross-sectional area shall be rotated approximately 90°
* C. @2 k. ] d1 U0 n( haround the vertical axis within the oscillating part after 50 % of flexings; specimens with flat4 X8 S% ?8 c2 u' k
flexible cables are only bent in a direction perpendicular to the plane containing the axis of" }- w2 w2 D: X
the conductor.7 e/ w, e% q! r! j. r) j+ y% G
% [/ u u' B8 B |
|
/1 
|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 2020-6-28 17:17
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
发表于 2020-7-2 10:07
楼主
