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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：1 d6 F; L/ W% `0 Q8 j$ B# |
7 q: s1 A' E; ^ j3 \- @7.3.10 Bending (flexing) test" g( W. |; r6 a/ ?7 Q! P7 v( \9 \, ^, s
Non-rewirable connectors shall be subjected to a bending test in an apparatus similar to that
1 J0 X% s Q/ |7 }shown in Figure 2.
. e# e# k+ F1 }9 n
) ]- E2 T/ X" ^' b, z: X% V7 pThe specimen is fixed to the oscillating member of the apparatus so that, when this is at the
& y) t% G% ~ m! {7 e* [0 ?midpoint of its travel, the axis of the flexible cable, where it enters the specimen, is vertical3 B) u! r. N! [ y- {: L% h
and passes through the axis of oscillation.
) T1 L9 k: A; Y) K) L- K0 A8 xThe oscillating member is, by variation of distance d shown in Figure 2, so positioned that the
3 F: }6 j7 e @+ eflexible cable makes a minimum lateral movement when the oscillating member of the test2 |. T& K: R' n4 {2 h, x
apparatus is moved over its full travel.0 ]0 a: g4 `; o
The cable is loaded with a weight such that the force applied is A7 c, B( ]" S- ^
• 20 N for non-rewirable connectors with a conductor cross-sectional area > 0,75 mm2;
0 b3 ]4 z, w4 e8 x• 10 N for non-rewirable connectors with a conductor cross-sectional area ≤ 0,75 mm2.
7 F& A6 C6 w3 K: i! SA current equal to the rated current of the connector is passed through the conductors, the2 H' ?- n z6 ^& j
voltage between them being the rated voltage. The protective conductor, if any, shall be8 |, U) e; R7 @ ~
loaded with a sufficient current to perform the continuity test.
# e" S3 y1 s( }3 d2 |2 c* {! b6 oThe oscillating member is moved backwards and forwards through an angle of 90° (45° on4 X9 q0 y- n, G$ h. x
either side of the vertical). The number of bendings shall be specified by the DS or the+ z: k X# H5 w: s7 R
manufacturer’s specification. Preferred values are given in Table 4b. The rate of bendings# y6 e8 R* @/ v& u _: d' R, T) {
shall be 60 per minute. One bending is one movement, either backwards or forwards.
( p3 c7 g4 U. E( ~! f7 nSpecimens with cables of circular cross-sectional area shall be rotated approximately 90°* B ~. J) ?" ]+ ?
around the vertical axis within the oscillating part after 50 % of flexings; specimens with flat
/ U: S1 h( q# iflexible cables are only bent in a direction perpendicular to the plane containing the axis of! V& b0 a* H0 N
the conductor.3 q& ?2 D0 t7 \7 Q6 B% o
" }! K* e8 x8 x( D1 R S3 @1 _! \
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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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