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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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5 f/ K3 m5 Q- L7 `7.3.10 Bending (flexing) test7 A) k8 J* g5 X4 L, V7 ^) {
Non-rewirable connectors shall be subjected to a bending test in an apparatus similar to that7 h$ N& m9 s9 F
shown in Figure 2.3 {5 l/ e A* Q8 q
0 i$ D$ m' P$ E8 ^The specimen is fixed to the oscillating member of the apparatus so that, when this is at the9 i9 q0 c* p3 g: |4 F, E
midpoint of its travel, the axis of the flexible cable, where it enters the specimen, is vertical
- X! L2 S# M# P: ~and passes through the axis of oscillation.
+ f6 o: E( [; j- U( e( |The oscillating member is, by variation of distance d shown in Figure 2, so positioned that the" X. `0 X, \, W! u7 G
flexible cable makes a minimum lateral movement when the oscillating member of the test2 L6 D5 S s+ C1 y& D
apparatus is moved over its full travel.
4 N3 @$ I. n7 B9 uThe cable is loaded with a weight such that the force applied is! q: w2 F5 N. H9 K# u! v b" D( [
• 20 N for non-rewirable connectors with a conductor cross-sectional area > 0,75 mm2;% P# H, _6 k& ^% S: T. [5 e4 ?0 p
• 10 N for non-rewirable connectors with a conductor cross-sectional area ≤ 0,75 mm2.( Z; I+ I/ L( C
A current equal to the rated current of the connector is passed through the conductors, the
7 j4 D- }* `6 y" E( Gvoltage between them being the rated voltage. The protective conductor, if any, shall be7 t9 U( x! f# m1 S9 s& o
loaded with a sufficient current to perform the continuity test.) L/ n3 Y, v. n: b2 {# A. E
The oscillating member is moved backwards and forwards through an angle of 90° (45° on
! J# _) E! Y* d1 T( R/ V- jeither side of the vertical). The number of bendings shall be specified by the DS or the7 `' N" Y. c# |
manufacturer’s specification. Preferred values are given in Table 4b. The rate of bendings t2 c; ?3 r1 A/ B/ M
shall be 60 per minute. One bending is one movement, either backwards or forwards.4 p6 E. T5 P/ E6 ]
Specimens with cables of circular cross-sectional area shall be rotated approximately 90°: d% D2 P& ?! t0 q( o# I" M
around the vertical axis within the oscillating part after 50 % of flexings; specimens with flat
7 V- a# N0 g$ O. b/ Kflexible cables are only bent in a direction perpendicular to the plane containing the axis of/ J9 V* D& J' q8 K/ N z6 R
the conductor.
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