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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:. W1 |1 \# }% _0 y5 X
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7.3.10 Bending (flexing) test
9 V L7 ~1 i- E" I# u# Z# A; ]0 pNon-rewirable connectors shall be subjected to a bending test in an apparatus similar to that" U: a1 T4 H( Y+ P4 r9 ]3 `- d
shown in Figure 2.
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% I1 t& x$ V, ~% R; FThe specimen is fixed to the oscillating member of the apparatus so that, when this is at the
8 F; Q& W1 c9 v" k9 T" Mmidpoint of its travel, the axis of the flexible cable, where it enters the specimen, is vertical
, Q6 {3 R$ f7 W* C& s5 I# y2 Iand passes through the axis of oscillation.
; s! r# f5 S- n& k U, YThe oscillating member is, by variation of distance d shown in Figure 2, so positioned that the; Y0 z- [. u( ~, c; ?% O6 C
flexible cable makes a minimum lateral movement when the oscillating member of the test q5 [6 j1 X$ N
apparatus is moved over its full travel.
& S' W2 k( M6 [, j, `The cable is loaded with a weight such that the force applied is6 V( g) |3 y0 k. S; ~
• 20 N for non-rewirable connectors with a conductor cross-sectional area > 0,75 mm2;
0 \8 H4 k& R% [! h2 x, `2 M8 \9 ~• 10 N for non-rewirable connectors with a conductor cross-sectional area ≤ 0,75 mm2.
, P b N* R1 s! G9 MA current equal to the rated current of the connector is passed through the conductors, the
3 o. S0 Q' Q# S5 N3 ?# Tvoltage between them being the rated voltage. The protective conductor, if any, shall be
2 R0 q& j! K9 T `' m& |2 U& @loaded with a sufficient current to perform the continuity test.
( o3 {/ H! _8 F/ C4 WThe oscillating member is moved backwards and forwards through an angle of 90° (45° on: t( u1 ^' Q% O+ T4 u, ^
either side of the vertical). The number of bendings shall be specified by the DS or the
" O* z; J1 n9 |manufacturer’s specification. Preferred values are given in Table 4b. The rate of bendings
# h1 ^. O* t& }( @shall be 60 per minute. One bending is one movement, either backwards or forwards.
8 d1 Y" g# n! b2 t0 h8 z" dSpecimens with cables of circular cross-sectional area shall be rotated approximately 90°- T0 d$ `" \/ v
around the vertical axis within the oscillating part after 50 % of flexings; specimens with flat
% {4 f w2 Y+ G( ~' j2 jflexible cables are only bent in a direction perpendicular to the plane containing the axis of& [1 Q1 u' t( @
the conductor.. r+ m) Z0 J* z" `3 q
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