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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:
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7.3.10 Bending (flexing) test
4 P% e- c' J2 BNon-rewirable connectors shall be subjected to a bending test in an apparatus similar to that( c% b2 w# t4 A2 M! c
shown in Figure 2.8 H! e' l& c& X1 c9 i5 S+ [
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The specimen is fixed to the oscillating member of the apparatus so that, when this is at the
( M! Q j( E. J" ^" r6 Omidpoint of its travel, the axis of the flexible cable, where it enters the specimen, is vertical
, Z0 q6 w& ^! F* zand passes through the axis of oscillation.
) r7 J6 |1 O) I4 m/ JThe oscillating member is, by variation of distance d shown in Figure 2, so positioned that the9 W: o( @# O0 P1 Z. T9 ~! E9 ~) E
flexible cable makes a minimum lateral movement when the oscillating member of the test
( W& O' F: I7 h4 k* L T% [, Y$ [: @apparatus is moved over its full travel.
( _' X$ z4 \' T7 y; g- t7 gThe cable is loaded with a weight such that the force applied is" w/ r8 L5 C$ |. k
• 20 N for non-rewirable connectors with a conductor cross-sectional area > 0,75 mm2;
8 X9 ?) `0 P8 q t• 10 N for non-rewirable connectors with a conductor cross-sectional area ≤ 0,75 mm2.$ C& _6 B, s- X- ]" e
A current equal to the rated current of the connector is passed through the conductors, the
* Q8 k+ U4 C; b8 E/ W. M7 Y5 z# A1 `voltage between them being the rated voltage. The protective conductor, if any, shall be
( x3 O& D2 m# T: c) S' \! e- sloaded with a sufficient current to perform the continuity test.
$ {2 f7 M1 p: D# D5 J% L& a) S1 q( tThe oscillating member is moved backwards and forwards through an angle of 90° (45° on& G9 K9 a, p, g& E% W8 ]
either side of the vertical). The number of bendings shall be specified by the DS or the
6 `3 S3 a- M9 fmanufacturer’s specification. Preferred values are given in Table 4b. The rate of bendings7 Q. ]4 w. v- Q
shall be 60 per minute. One bending is one movement, either backwards or forwards.8 B% |3 k* T; \3 V! N
Specimens with cables of circular cross-sectional area shall be rotated approximately 90°
2 I, f! |, v1 Garound the vertical axis within the oscillating part after 50 % of flexings; specimens with flat0 e! [* |. ?$ X3 Z+ x! Q
flexible cables are only bent in a direction perpendicular to the plane containing the axis of
9 Q, \- d* |. A9 t/ Othe conductor.( G8 D9 E2 z: v/ P' r6 [' c
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