美女胸被狂揉扒开吃奶的网站o_亚洲日韩av中文无码专区_东京热激情无码专区_久久HEZYO久综合亚洲色_欧美成人高清视频_国产精品乡下勾搭老头_欧美一级v片在线播放_成人午夜国产视频_男女猛烈无遮挡免费动态图_亚洲一区国产精品视频

首頁 > 國外線纜

[問題求助] UL2468中是否有對搖擺進行描述,條件是什么?

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

1

我剛進入線材行業(yè),對線材的安規(guī)不太了解,請問一下UL2468中是否有對搖擺進行描述,條件是什么?

asphalt impregnated jute - 瀝青浸漬麻(鎧裝電纜用) (0) 投訴

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

2

沒有這方面的要求的,這是一種并線吧

sp.gr. - specific gravity比重 (0) 投訴

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

3

是并排線,你是否有UL2468的安規(guī)資料,請發(fā)一份給我好嗎?

Email:heqy@milestome-mec.com

flaw - 裂縫,裂紋,裂痕,裂口;疵點,缺陷 (0) 投訴

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

4

應(yīng)該都是客戶要求的吧﹐在2468里沒有搖擺要求

conductor unit - 導(dǎo)體單位 (0) 投訴

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

5

什么是UL2468?俺怎么從沒聽說過,恕俺愚鈍,請好心人指點一下.

skinner length - 去皮長度,去皮段長度(電纜或光纜的) (0) 投訴

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

6

AWM 2468是并線,UL標(biāo)準(zhǔn)中無彎曲要求,次線一般用與一些家用電器的插頭連接線;當(dāng)然,如果客戶的使用條件比較特殊,要求彎曲也可以,但客戶要提供彎曲的具體條件,如搖擺頻率,擺角,負(fù)重,R角,次數(shù),這樣才能做彎曲實驗.

operating reliability - 運行可靠性,安全運行 (0) 投訴

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.

International Telecommunication union - 國際電信聯(lián)盟 (0) 投訴

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

8

謝謝,各位的回復(fù)!!!!

不過還有一個問題,一般線材是參照哪個標(biāo)準(zhǔn),是UL758還是UL1581或其它

MBE - molecular beam epitaxy分子束外延 (0) 投訴

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

9

UL線的相關(guān)要求你可以在相應(yīng)的Style page中找到哈,像 cuijiude 的回復(fù)中的就是2468的相關(guān)要求咯

里面已經(jīng)提到咯 Standard        Appliance Wiring Material UL 758.

blacken - 發(fā)黑,變黑 (0) 投訴

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

10

搖擺測試﹐好像在ASTM中有要求﹐但我不知道是具體哪一個﹐有了解的可以回復(fù)。

come-along - 緊線夾,伸線器 (0) 投訴

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

11

UL中沒有對2468做出搖擺要求,一定是客戶要求的,可以根據(jù)客戶的要求在設(shè)計中做出調(diào)整!

fiberoptic composite overhead ground wire - 光纖復(fù)合架空地線 (0) 投訴

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

12

應(yīng)是線套或DC頭的彎曲試驗, 它和電線插頭的結(jié)構(gòu)有關(guān)

cable harness - 組裝電纜;電纜群,成盤電纜 (0) 投訴

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

13

主要是針對SR及DC  PLUG  模的實驗.

應(yīng)該和模具結(jié)構(gòu)也有關(guān)系.

scrape resistance - 耐刮,耐刮性 (0) 投訴

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

14

吊重200g,60度,45次/分,1000次以上不斷線

message communication function - 信息通信功能 (0) 投訴

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

15

沒聽過UL2468線要搖擺測試的,電子線的規(guī)格在論壇上就找得到,很多的,你耐心點找一下就可以找到

identification stripe - 標(biāo)志帶 (0) 投訴

19


你需要登錄才能發(fā)表,點擊登錄。