UL医疗插头，张力缓冲测试一直过不了

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哎，怎么个问题呢，搞不懂啊，有大神吗
5 V! x6 [. M8 i$ P: i

ydqshy

jjlamshushushu 发表于 2014-5-30 18:05
UL医疗插头，张力缓冲测试?测试规范呢？

109页的，我们是铜丝位移过不了

CHENGFEGO

jjlamshushushu 发表于 2014-5-30 18:05
6 [" c3 R# ]( }5 K6 a- m' I) i$ y0 UUL医疗插头，张力缓冲测试?测试规范呢？

- ]! s1 ~# l' V2 Y, h& m109 Strain Relief Tests
109.1 General
" G$ S, u! d8 e) O9 S) d109.1.1 After being subjected to the strain relief tests described in this section, there shall not be any
8 T; a1 r/ j* E1 b. `" o# xdisplacement of the conductors, conductor insulation, or outer jacket of the flexible cord exceeding 1/32
* z( ]5 T# u; d* R  T* D. J4 [5 {inch (0.8 mm). There shall not be any cuts, rips, or tears in the cord insulation nor any breakage of the
' ?" l2 o0 d+ J6 Gattachment plug that could adversely affect the enclosure of live parts, strain relief, or grounding path
integrity.
+ L% f; I" f& O* `3 d7 Y. S109.2 Method A – Static pull
109.2.1 Each of six representative attachment plugs molded onto flexible cord, without the conductors
8 f" `3 ]' C$ s! @+ C! vterminated to the blades or grounding pin, shall be subjected to a gradually applied pull of 30 lbf (133 N)
0 j/ \% T# d" |! V! K# Vto the free end of the cord while the attachment plug is securely supported. The force shall be applied for
1 minute in a direction perpendicular to the plane of cord entry.
, e* H4 J, G4 I1 l9 T% z4 @$ q: _109.3 Method B – Rotary pull
109.3.1 Each of six representative attachment plugs molded onto flexible cord, without the conductors
( G3 V: N, U# Y! ~" t4 j7 Kterminated to the blades or grounding pin, shall be subjected to a rotary cord motion while a force of 10
, K$ J$ m& r) I) _8 V- zlbf (44.5 N) is applied for 2 hours. The cord is to be rotated at a rate of approximately 9 r/min in a 3 inch
diameter (76 mm) circle at a point 6 inches (152 mm) below the cord exit with the attachment plug rigidly
8 m' S, u8 K! C! ]3 @mounted. (Note – This test is conveniently done with UL secureness test apparatus described in the
' E( `$ J& s$ o6 I6 m. V9 m4 pStandard for Wire Connectors and Soldering Lugs for Use With Copper Conductors, UL 486A, or in the
5 m; h" r# Q1 x: K; X5 O9 [Standard for Wire Connectors for Use With Aluminum Conductors, UL 486B.)

jjlamshushushu

UL医疗插头，张力缓冲测试?测试规范呢？