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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：
( h. j8 U- h3 d/ z; l7 |6 I, u" X1 ~" ^# o
7.3.10 Bending (flexing) test
+ q# a7 b8 W- r# }Non-rewirable connectors shall be subjected to a bending test in an apparatus similar to that3 s t/ k* g9 j
shown in Figure 2.
) N7 {! h; @4 k
' t5 W+ n9 C' Z* C" l8 ^! DThe specimen is fixed to the oscillating member of the apparatus so that, when this is at the
9 z* \( t/ F4 {+ lmidpoint of its travel, the axis of the flexible cable, where it enters the specimen, is vertical! c+ q+ G+ g/ c0 l" g
and passes through the axis of oscillation.4 t& j8 g2 l( {8 x6 D# J
The oscillating member is, by variation of distance d shown in Figure 2, so positioned that the5 Q1 x3 O0 T/ k9 l' p
flexible cable makes a minimum lateral movement when the oscillating member of the test+ X# h* w, H; G1 |, ~; H
apparatus is moved over its full travel.1 ~, k3 }- O# @' l+ V" c X
The cable is loaded with a weight such that the force applied is
$ F8 y# ]! l# m' S9 y• 20 N for non-rewirable connectors with a conductor cross-sectional area > 0,75 mm2;
' P, B6 W4 f& d$ z• 10 N for non-rewirable connectors with a conductor cross-sectional area ≤ 0,75 mm2.
" J* N1 I+ p& o$ A) tA current equal to the rated current of the connector is passed through the conductors, the
; O- i+ t4 K0 Q$ ]: Mvoltage between them being the rated voltage. The protective conductor, if any, shall be; F! W0 K0 h. k5 M6 f w, X: `' g. T
loaded with a sufficient current to perform the continuity test.3 ~3 @( Y4 U- L ^+ b/ _
The oscillating member is moved backwards and forwards through an angle of 90° (45° on
" |2 Y( h5 x" G! ]) J' Z2 seither side of the vertical). The number of bendings shall be specified by the DS or the
: _* D; Q' b" f( F" nmanufacturer’s specification. Preferred values are given in Table 4b. The rate of bendings& k7 V8 E3 }. c6 m
shall be 60 per minute. One bending is one movement, either backwards or forwards., j- ^9 o$ Z( {% h1 Q& S
Specimens with cables of circular cross-sectional area shall be rotated approximately 90°
! w! V* o+ J; baround the vertical axis within the oscillating part after 50 % of flexings; specimens with flat/ k% d" p. k) q$ o
flexible cables are only bent in a direction perpendicular to the plane containing the axis of# a; W5 z0 x5 T
the conductor.: M0 @) v# i2 r. @" c) j5 G+ Z
7 k4 z; p* r. N# K1 P; K |
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发表于 2020-6-28 17:17
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发表于 2020-7-2 10:07
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