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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：
9 A( S+ [ A, n D' \, w; E i# S, I& n# T' X% V
7.3.10 Bending (flexing) test
4 k# U0 u8 e% }( CNon-rewirable connectors shall be subjected to a bending test in an apparatus similar to that- R" ?8 M. E5 C0 E& t, b5 M4 q
shown in Figure 2.
/ {% }/ `, T4 I$ `8 Y0 O* S# ]" M2 Z" l2 y' f ]* Z0 Q
The specimen is fixed to the oscillating member of the apparatus so that, when this is at the
) i( [1 T1 w9 e( O: b' Cmidpoint of its travel, the axis of the flexible cable, where it enters the specimen, is vertical+ U) g4 l! j2 U% C
and passes through the axis of oscillation.: p% z3 R4 J6 T4 }' I1 W
The oscillating member is, by variation of distance d shown in Figure 2, so positioned that the8 A% \7 w9 c* ?2 d4 z
flexible cable makes a minimum lateral movement when the oscillating member of the test; K6 _- o7 _5 O( W
apparatus is moved over its full travel.
* Z; H- y: L9 M; `The cable is loaded with a weight such that the force applied is. K& y- ~4 R! ]1 E2 Y' e( ^
• 20 N for non-rewirable connectors with a conductor cross-sectional area > 0,75 mm2;
6 i* H2 B- a$ _9 k• 10 N for non-rewirable connectors with a conductor cross-sectional area ≤ 0,75 mm2.4 |' X @- A# U+ r6 v
A current equal to the rated current of the connector is passed through the conductors, the
2 G3 ^" Z0 O: l) gvoltage between them being the rated voltage. The protective conductor, if any, shall be
/ |) S3 I% n. F0 y! Aloaded with a sufficient current to perform the continuity test.
% w/ a& N4 Z1 F3 Z/ c7 v8 I7 QThe oscillating member is moved backwards and forwards through an angle of 90° (45° on5 R! V/ J* o5 j$ m
either side of the vertical). The number of bendings shall be specified by the DS or the
% t; T+ {- ?3 y5 Vmanufacturer’s specification. Preferred values are given in Table 4b. The rate of bendings
4 w) Y2 _1 x! B% Lshall be 60 per minute. One bending is one movement, either backwards or forwards.
& u5 d7 j/ j, X+ ^) lSpecimens with cables of circular cross-sectional area shall be rotated approximately 90°, J- \0 a6 @. p' x7 [
around the vertical axis within the oscillating part after 50 % of flexings; specimens with flat4 \( S. j9 \. `$ \! f6 B( n4 b
flexible cables are only bent in a direction perpendicular to the plane containing the axis of
2 a+ b, N$ k* Q$ e# Vthe conductor., J5 |1 S. d. u& L' S" M: E. S, 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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