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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 h8 J. P' Y7 d, i5 X( Z- Y
/ ~/ G: }3 p: V7.3.10 Bending (flexing) test+ J9 C! r: v5 V/ n
Non-rewirable connectors shall be subjected to a bending test in an apparatus similar to that0 K2 N% @+ {$ p$ N2 p. p9 \" t
shown in Figure 2.9 }2 J7 j f, [& F
8 k4 [4 O' E3 x" ?8 M. X( h& [The specimen is fixed to the oscillating member of the apparatus so that, when this is at the
% C" D6 p2 B; F6 ~; Q& ?midpoint of its travel, the axis of the flexible cable, where it enters the specimen, is vertical
3 w8 J, i4 r* E) z9 V/ v# Q+ b" \and passes through the axis of oscillation.. [1 U- x3 \5 J5 \0 V( c
The oscillating member is, by variation of distance d shown in Figure 2, so positioned that the/ E4 o6 c( l9 z1 K5 b
flexible cable makes a minimum lateral movement when the oscillating member of the test- N) P5 G" R O1 m
apparatus is moved over its full travel.4 l) T# J+ P, W) H6 J6 H O/ d
The cable is loaded with a weight such that the force applied is
1 i e" }. v$ ~8 a• 20 N for non-rewirable connectors with a conductor cross-sectional area > 0,75 mm2;
, z7 F. x( x8 o3 j* B• 10 N for non-rewirable connectors with a conductor cross-sectional area ≤ 0,75 mm2., @) A+ `; R/ e! O
A current equal to the rated current of the connector is passed through the conductors, the
2 B2 P# z* R7 P" l% f' cvoltage between them being the rated voltage. The protective conductor, if any, shall be
' g, L2 j4 O) s& _loaded with a sufficient current to perform the continuity test.
' R* @5 Q X" v( VThe oscillating member is moved backwards and forwards through an angle of 90° (45° on
, @" p8 I) F+ s) X2 `1 d9 ?either side of the vertical). The number of bendings shall be specified by the DS or the
: `$ P3 A6 ]. r8 Lmanufacturer’s specification. Preferred values are given in Table 4b. The rate of bendings
4 A+ A: X$ l3 n9 b3 k$ yshall be 60 per minute. One bending is one movement, either backwards or forwards.
+ _& u$ z* r4 ~1 _5 mSpecimens with cables of circular cross-sectional area shall be rotated approximately 90°
7 g- T7 o3 l# z, `+ Z& oaround the vertical axis within the oscillating part after 50 % of flexings; specimens with flat
, g1 B# P2 ~ z' y- C6 lflexible cables are only bent in a direction perpendicular to the plane containing the axis of
7 N9 r5 o& P$ T& p) R0 rthe conductor.7 Y0 }) p/ s6 }) J
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发表于 2020-6-30 08:24
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