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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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8 V: E6 N5 a* Q. T" v+ s& I7.3.10 Bending (flexing) test
B; z$ x8 K8 ~" z* s! F# mNon-rewirable connectors shall be subjected to a bending test in an apparatus similar to that2 n3 v& o) [ q' u
shown in Figure 2.4 l2 V# D0 m+ a8 O' H: [; D
8 \( _( w2 b2 U: B. C$ Z+ _( y3 }The specimen is fixed to the oscillating member of the apparatus so that, when this is at the: D+ k p! z, e+ ]$ o* A' {# t
midpoint of its travel, the axis of the flexible cable, where it enters the specimen, is vertical; J/ @3 a6 m& h5 l# e/ X: R
and passes through the axis of oscillation.
$ D: H) H6 n K* wThe oscillating member is, by variation of distance d shown in Figure 2, so positioned that the# x* O4 B( M& i' l6 X* ^
flexible cable makes a minimum lateral movement when the oscillating member of the test
$ ~. Q2 c4 ]6 H2 x" ?# A ~ x5 N; iapparatus is moved over its full travel.9 E- @8 z9 c3 S5 M. m
The cable is loaded with a weight such that the force applied is1 Y# a, y( H8 M [1 _& b
• 20 N for non-rewirable connectors with a conductor cross-sectional area > 0,75 mm2;6 S/ @# g4 ]3 i; h1 I# f8 k* \4 F
• 10 N for non-rewirable connectors with a conductor cross-sectional area ≤ 0,75 mm2.3 `& q3 ?3 l; k1 j; d# y: x/ U7 q
A current equal to the rated current of the connector is passed through the conductors, the
' o+ @! v" @7 u$ Fvoltage between them being the rated voltage. The protective conductor, if any, shall be
8 a9 [+ M$ l Z* Y, ?loaded with a sufficient current to perform the continuity test.$ B, E2 E4 O9 R
The oscillating member is moved backwards and forwards through an angle of 90° (45° on) C% |) i7 o+ B3 A6 }) t
either side of the vertical). The number of bendings shall be specified by the DS or the
! L) g2 m; l' q. t* U; t# kmanufacturer’s specification. Preferred values are given in Table 4b. The rate of bendings
; ^9 ]+ z2 ?% T, Z; P& S% X# oshall be 60 per minute. One bending is one movement, either backwards or forwards.& Z" t7 i. E p5 i+ }% y# k
Specimens with cables of circular cross-sectional area shall be rotated approximately 90°
0 t' s% F' ?# S* \- uaround the vertical axis within the oscillating part after 50 % of flexings; specimens with flat
9 q- X# ]+ d0 I+ t: u& S: Q0 dflexible cables are only bent in a direction perpendicular to the plane containing the axis of" [7 ? @. n$ c; f% G4 P1 I
the conductor.8 @+ |& n1 [( N" s W7 r
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