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[问题求助] UL2468中是否有对摇摆进行描述,条件是什么?

P:2006-09-12 15:13:03

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我刚进入线材行业,对线材的安规不太了解,请问一下UL2468中是否有对摇摆进行描述,条件是什么?

D.C.D. - Directorate of Communication Development通信研制管理局 (0) 投诉

P:2006-09-12 15:32:03

2

沒有這方面的要求的,這是一種并線吧

colour comparator - 比色计 (0) 投诉

P:2006-09-12 16:34:31

3

是并排线,你是否有UL2468的安规资料,请发一份给我好吗?

Email:heqy@milestome-mec.com

triple concentric cable - 三同轴电缆,三芯同轴电缆,三层同心绞合电缆,三相同轴电缆 (0) 投诉

P:2006-09-12 16:41:53

4

应该都是客户要求的吧﹐在2468里没有摇摆要求

concentric-lay conductor - 同心层绞线,同心层绞导线 (0) 投诉

P:2006-09-12 20:10:02

5

什么是UL2468?俺怎么从没听说过,恕俺愚钝,请好心人指点一下.

cableline - 电缆线路 (0) 投诉

P:2006-09-13 08:08:16

6

AWM 2468是并线,UL标准中无弯曲要求,次线一般用与一些家用电器的插头连接线;当然,如果客户的使用条件比较特殊,要求弯曲也可以,但客户要提供弯曲的具体条件,如摇摆频率,摆角,负重,R角,次数,这样才能做弯曲实验.

groung cable - 地下电缆 (0) 投诉

P:2006-09-13 08:09:45

7

UL 758中的 STYLE 2468

UNDERWRITERS LABORATORIES INC. APPLIANCE WIRING MATERIAL

Subj. 758 Section 2 Page 2468 Issued: 1968-05-07

Revised: 2003-03-31

Style 2468 Flat Ribbon-Type Cable.

______________________________________________________________________________

Rating 80°C, 300 Volts.

______________________________________________________________________________

Conductor 2-150, Nos. 32-16 AWG. Tinned or bare, solid or stranded

copper, conductors laid parallel and in one plane. Same

or mixed AWG.

______________________________________________________________________________

*Insulation Each conductor has a nominal 15 mils wall or heavier

thermoplastic (PVC). This forms a flat cable with a

single row of conductors having a 1/2 in. maximum width

web between insulated conductors. The nominal and minimum

insulation thickness along the ripped edges for each

conductor shall be 15 and 13 mils, respectively.

______________________________________________________________________________

Shield Optional.

______________________________________________________________________________

Covering (Optional) PVC, 5 mils min. at any point 80 mils max.

______________________________________________________________________________

Standard Appliance Wiring Material UL 758.

______________________________________________________________________________

Instructions Detailed Examination.

*to UL Tensile Strength and Elongation of Insulation.

*Representative Spark Test.

______________________________________________________________________________

UL (4) Detailed Examination.

*Counter-Check (4) Tensile Strength and Elongation of Insulation.

Program (4) Heat Shock.

(4) Cold Bend.

(4) Deformation.

(12) Horizontal Flame Test.

______________________________________________________________________________

Marking General.

______________________________________________________________________________

Use Internal wiring of Appliances; or internal wiring of

Appliances where exposed to oil at a tempera-ture not

exceeding 60°C or 80°C, whichever is applicable.

cyclic rating factor - 周期性额定因数 (0) 投诉

P:2006-09-13 14:44:26

8

谢谢,各位的回复!!!!

不过还有一个问题,一般线材是参照哪个标准,是UL758还是UL1581或其它

edge radius - (扇形导体的)弯边半径 (0) 投诉

P:2006-09-13 15:46:38

9

UL线的相关要求你可以在相应的Style page中找到哈,像 cuijiude 的回复中的就是2468的相关要求咯

里面已经提到咯 Standard        Appliance Wiring Material UL 758.

upsidedown - 逆混炼法(一种新的橡胶混炼方法) (0) 投诉

P:2006-09-14 13:51:21

10

摇摆测试﹐好像在ASTM中有要求﹐但我不知道是具体哪一个﹐有了解的可以回复。

refraction index profile - 折射率分布(图) (0) 投诉

P:2006-11-02 19:00:15

11

UL中没有对2468做出摇摆要求,一定是客户要求的,可以根据客户的要求在设计中做出调整!

mix - 混合,混料;混橡;混合物,混橡胶;混合物料 (0) 投诉

P:2007-01-22 09:00:01

12

應是線套或DC頭的彎曲試驗, 它和電線插頭的結構有關

ITU - Inter-American Telecommunication Union泛美电信联盟 (0) 投诉

P:2007-01-27 13:08:10

13

主要是針對SR及DC  PLUG  模的實驗.

應該和模具結構也有關系.

wave length division multiplex - 波分复用 (0) 投诉

P:2007-06-24 09:52:32

14

吊重200g,60度,45次/分,1000次以上不断线

nitrogen/steam cross-linking - 氮-蒸汽交联法 (0) 投诉

P:2007-07-20 15:56:53

15

没听过UL2468线要摇摆测试的,电子线的规格在论坛上就找得到,很多的,你耐心点找一下就可以找到

PLC - planar lightwave circuit平面光波电路 (0) 投诉

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