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線纜機械轉彎引起的機械性損傷問題
由于線纜(lan)機(ji)械電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)外徑較大,運輸、敷(fu)設較為困難(nan),電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)對轉(zhuan)彎(wan)半徑的要求也(ye)比較嚴格。電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)在施工中,如果轉(zhuan)彎(wan)角度過(guo)大,可能使導體內(nei)部受(shou)到機(ji)械損(sun)(sun)傷,而機(ji)械損(sun)(sun)傷因被電(dian)(dian)(dian)纜(lan)絕緣強度下降(jiang),直到出現(xian)故(gu)障(zhang),施工中發現(xian)一次電(dian)(dian)(dian)纜(lan)頭(tou)故(gu)障(zhang),在電(dian)(dian)(dian)纜(lan)頭(tou)制作時,...
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線纜機械之選用電線電纜的有哪些需要注意
一(yi)、電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜(lan)(lan)選(xuan)(xuan)用(yong)(yong)的(de)(de)一(yi)般原(yuan)則 在選(xuan)(xuan)用(yong)(yong)電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜(lan)(lan)時,一(yi)般要(yao)(yao)注意(yi)電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜(lan)(lan)型號、規格 (導體截面)的(de)(de)選(xuan)(xuan)擇(ze)。 1、電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜(lan)(lan)型號的(de)(de)選(xuan)(xuan)擇(ze) 選(xuan)(xuan)用(yong)(yong)電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜(lan)(lan)時,要(yao)(yao)考慮用(yong)(yong)途,敷設條件(jian)及安(an)全(quan)性(xing);例如(ru), 根據用(yong)(yong)途的(de)(de)不同,可選(xuan)(xuan)用(yong)(yong)電(dian)(dian)力電(dian)(dian)纜(lan)(lan)、架空絕緣電(dian)(dian)纜(lan)(lan)、控制電(dian)(dian)纜(lan)(lan)等; 根據敷設條件(jian)...
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線纜機械轉彎引起的機械性損傷問題
由于線纜(lan)機械電(dian)(dian)力電(dian)(dian)纜(lan)外徑較大,運輸、敷設較為困難,電(dian)(dian)力電(dian)(dian)纜(lan)對轉彎(wan)半徑的要求也比較嚴格。電(dian)(dian)力電(dian)(dian)纜(lan)在施(shi)工中(zhong)(zhong),如果(guo)轉彎(wan)角(jiao)度過大,可能使(shi)導體內部受到機械損(sun)傷,而機械損(sun)傷因(yin)被電(dian)(dian)纜(lan)絕緣(yuan)強(qiang)度下降(jiang),直到出現故障,施(shi)工中(zhong)(zhong)發現一次電(dian)(dian)纜(lan)頭故障,在電(dian)(dian)纜(lan)頭制作時,三...
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押出常見問題點及對策
一. 電子線 1. 表(biao)面粗糙(cao): A. 溫度(du)太低:溫度(du)作適當上調 B. PVC烘烤不足:依作業標準烘烤膠料(時間/溫度(du)) C. 機頭(tou)壓力太小(xiao):更換(huan)廊段較長(chang)的(de)(de)外(wai)模(mo),增加網膜枚(mei)數 2. 死膠焦料: A. PVC在機頭(tou)中停留時間較長(chang):押出(chu)時將停留時間較長(chang)的(de)(de)料排盡 B. 押出(chu)溫...
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水對交聯電纜產品性能的影響?
隨著市(shi)場經濟(ji)的(de)不(bu)斷深入發展,競(jing)爭(zheng)越來(lai)越激烈,企業與(yu)企業的(de)競(jing)爭(zheng)歸根到(dao)底是產品(pin)質(zhi)量(liang)與(yu)服務(wu)的(de)競(jing)爭(zheng)。眾(zhong)所周知,產品(pin)質(zhi)量(liang)是企業的(de)生(sheng)命,好的(de)產品(pin)質(zhi)量(liang)會使企業在市(shi)場競(jing)爭(zheng)的(de)大潮中立于不(bu)敗之地,是企業可持(chi)續發展的(de)源動力(li)。中高壓交聯聚乙烯絕緣電纜(以下簡稱交...
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單絞機與雙絞機之間有什么區別?
單絞(jiao)(jiao)(jiao)機(ji)和(he)雙絞(jiao)(jiao)(jiao)機(ji)都是(shi)對導體進行束(shu)絲成(cheng)纜(lan)(lan)。那么(me)兩者又有(you)什么(me)區別呢?先各(ge)自說一(yi)下定義(yi)吧(ba)。 單絞(jiao)(jiao)(jiao)機(ji) ,是(shi)對各(ge)類數據線纜(lan)(lan)的芯線進行絞(jiao)(jiao)(jiao)合成(cheng)纜(lan)(lan),并可實現(xian)中心及側放包(bao)帶一(yi)次性完成(cheng)。主要側重于芯線的成(cheng)纜(lan)(lan)。有(you)時也可稱之為(wei)成(cheng)纜(lan)(lan)機(ji)。雙絞(jiao)(jiao)(jiao)機(ji),則是(shi)對各(ge)類線纜(lan)(lan)導體進行束(shu)...
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自動成圈打扎機的種類有哪些?
自(zi)(zi)(zi)動(dong)成(cheng)圈打扎(zha)機(ji),是一種集自(zi)(zi)(zi)動(dong)成(cheng)圈、打扎(zha)、收線(xian)于一體的(de)電線(xian)電纜輔(fu)助設備。其根據線(xian)纜截(jie)面(mian)面(mian)積的(de)不(bu)同,可以(yi)分為小截(jie)面(mian)高速(su)自(zi)(zi)(zi)動(dong)成(cheng)圈機(ji)、中截(jie)面(mian)自(zi)(zi)(zi)動(dong)成(cheng)圈機(ji)、大(da)截(jie)面(mian)自(zi)(zi)(zi)動(dong)智能成(cheng)圈機(ji)、扁形線(xian)專用成(cheng)圈機(ji)、雙盤(pan)自(zi)(zi)(zi)動(dong)成(cheng)圈機(ji)、雙盤(pan)自(zi)(zi)(zi)動(dong)成(cheng)圈收線(xian)機(ji)等類型。其中小截(jie)面(mian)自(zi)(zi)(zi)...
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大截面自動成圈機有哪些優勢和特點
大(da)截(jie)(jie)面自動(dong)成(cheng)(cheng)圈(quan)(quan)(quan)機,顧(gu)名思義(yi),就是對于線纜(lan)直徑(jing)較多或者面積較大(da)的線纜(lan)進行成(cheng)(cheng)圈(quan)(quan)(quan)、打(da)扎(zha)(zha)的成(cheng)(cheng)圈(quan)(quan)(quan)機。那么大(da)截(jie)(jie)面自動(dong)成(cheng)(cheng)圈(quan)(quan)(quan)機有哪些(xie)優勢和特點呢? 1、生產(chan)效力高: 這種成(cheng)(cheng)圈(quan)(quan)(quan)機采取主動(dong)排線,一(yi)人操作,收線成(cheng)(cheng)圈(quan)(quan)(quan)速度是傳統機型的23倍(bei);疾速打(da)扎(zha)(zha)安裝,成(cheng)(cheng)圈(quan)(quan)(quan)后的電線在...