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線纜機械轉彎引起的機械性損傷問題
由于(yu)線(xian)纜(lan)(lan)(lan)機(ji)(ji)械(xie)(xie)電力電纜(lan)(lan)(lan)外(wai)徑(jing)較大(da),運輸、敷設較為困(kun)難,電力電纜(lan)(lan)(lan)對轉彎半(ban)徑(jing)的要求(qiu)也比(bi)較嚴格。電力電纜(lan)(lan)(lan)在施工中(zhong),如果轉彎角度過大(da),可(ke)能使導體(ti)內部(bu)受到機(ji)(ji)械(xie)(xie)損(sun)傷(shang),而機(ji)(ji)械(xie)(xie)損(sun)傷(shang)因被電纜(lan)(lan)(lan)絕(jue)緣強度下(xia)降,直到出現故障(zhang),施工中(zhong)發現一次電纜(lan)(lan)(lan)頭故障(zhang),在電纜(lan)(lan)(lan)頭制作時,...
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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)(yi)、電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)選(xuan)用(yong)(yong)的(de)一(yi)(yi)般(ban)原則 在選(xuan)用(yong)(yong)電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)時,一(yi)(yi)般(ban)要(yao)注意電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)型號、規格 (導(dao)體截面)的(de)選(xuan)擇(ze)。 1、電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)型號的(de)選(xuan)擇(ze) 選(xuan)用(yong)(yong)電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)時,要(yao)考慮用(yong)(yong)途,敷設(she)條件及(ji)安(an)全性;例(li)如, 根據(ju)用(yong)(yong)途的(de)不同,可選(xuan)用(yong)(yong)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、架空(kong)絕(jue)緣電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、控制電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)等; 根據(ju)敷設(she)條件...
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線纜機械轉彎引起的機械性損傷問題
由(you)于線(xian)纜機械電(dian)(dian)力電(dian)(dian)纜外徑(jing)較(jiao)(jiao)大(da),運輸、敷設較(jiao)(jiao)為(wei)困難,電(dian)(dian)力電(dian)(dian)纜對轉(zhuan)彎半徑(jing)的要求也比(bi)較(jiao)(jiao)嚴格(ge)。電(dian)(dian)力電(dian)(dian)纜在施工中,如果轉(zhuan)彎角度過大(da),可(ke)能使導體內(nei)部受到(dao)機械損(sun)(sun)傷,而機械損(sun)(sun)傷因被電(dian)(dian)纜絕(jue)緣強度下降,直到(dao)出現(xian)故(gu)障,施工中發現(xian)一次電(dian)(dian)纜頭故(gu)障,在電(dian)(dian)纜頭制作時(shi),三...
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押出常見問題點及對策
一. 電子(zi)線 1. 表面粗糙: A. 溫(wen)度(du)(du)太(tai)低(di):溫(wen)度(du)(du)作適當上調 B. PVC烘烤不足(zu):依(yi)作業標準(zhun)烘烤膠料(liao)(時間(jian)/溫(wen)度(du)(du)) C. 機頭壓力(li)太(tai)小:更(geng)換(huan)廊段(duan)較(jiao)長的(de)外(wai)模,增加網膜枚數 2. 死膠焦(jiao)料(liao): A. PVC在機頭中停(ting)留時間(jian)較(jiao)長:押出(chu)(chu)時將停(ting)留時間(jian)較(jiao)長的(de)料(liao)排盡 B. 押出(chu)(chu)溫(wen)...
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水對交聯電纜產品性能的影響?
隨著市場經濟的(de)不(bu)斷深入發展,競爭(zheng)越(yue)來越(yue)激烈,企業(ye)與企業(ye)的(de)競爭(zheng)歸根到底是(shi)產(chan)(chan)品(pin)(pin)質量(liang)(liang)與服務的(de)競爭(zheng)。眾所周知,產(chan)(chan)品(pin)(pin)質量(liang)(liang)是(shi)企業(ye)的(de)生(sheng)命(ming),好的(de)產(chan)(chan)品(pin)(pin)質量(liang)(liang)會使企業(ye)在市場競爭(zheng)的(de)大潮中立于不(bu)敗之地,是(shi)企業(ye)可持續發展的(de)源(yuan)動力(li)。中高壓交(jiao)聯(lian)聚乙(yi)烯絕(jue)緣電(dian)纜(以(yi)下簡稱交(jiao)...
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單絞機與雙絞機之間有什么區別?
單絞(jiao)(jiao)(jiao)機和雙絞(jiao)(jiao)(jiao)機都是對導體進(jin)行(xing)束(shu)絲成(cheng)(cheng)纜。那么(me)兩(liang)者(zhe)又(you)有(you)什么(me)區別呢?先各(ge)自說一(yi)下定義吧。 單絞(jiao)(jiao)(jiao)機 ,是對各(ge)類數據線(xian)纜的(de)芯線(xian)進(jin)行(xing)絞(jiao)(jiao)(jiao)合成(cheng)(cheng)纜,并可(ke)實現中心(xin)及側放包帶(dai)一(yi)次性(xing)完成(cheng)(cheng)。主要(yao)側重(zhong)于芯線(xian)的(de)成(cheng)(cheng)纜。有(you)時也可(ke)稱(cheng)之為成(cheng)(cheng)纜機。雙絞(jiao)(jiao)(jiao)機,則是對各(ge)類線(xian)纜導體進(jin)行(xing)束(shu)...
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自動成圈打扎機的種類有哪些?
自(zi)動成(cheng)(cheng)圈(quan)打扎機(ji),是一種(zhong)集自(zi)動成(cheng)(cheng)圈(quan)、打扎、收線(xian)于一體的電線(xian)電纜輔(fu)助設(she)備。其根據線(xian)纜截(jie)(jie)面面積的不同,可(ke)以分(fen)為小截(jie)(jie)面高速自(zi)動成(cheng)(cheng)圈(quan)機(ji)、中(zhong)截(jie)(jie)面自(zi)動成(cheng)(cheng)圈(quan)機(ji)、大截(jie)(jie)面自(zi)動智(zhi)能成(cheng)(cheng)圈(quan)機(ji)、扁形(xing)線(xian)專用成(cheng)(cheng)圈(quan)機(ji)、雙(shuang)盤(pan)自(zi)動成(cheng)(cheng)圈(quan)機(ji)、雙(shuang)盤(pan)自(zi)動成(cheng)(cheng)圈(quan)收線(xian)機(ji)等類型。其中(zhong)小截(jie)(jie)面自(zi)...
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大截面自動成圈機有哪些優勢和特點
大截(jie)面(mian)自動成圈(quan)機(ji),顧名思義,就是對于(yu)線(xian)纜直(zhi)徑較(jiao)多或者面(mian)積較(jiao)大的線(xian)纜進行成圈(quan)、打(da)扎的成圈(quan)機(ji)。那么大截(jie)面(mian)自動成圈(quan)機(ji)有哪些優勢(shi)和特點呢? 1、生產效力(li)高(gao): 這種成圈(quan)機(ji)采取(qu)主動排線(xian),一(yi)人(ren)操作,收線(xian)成圈(quan)速度是傳統機(ji)型的23倍(bei);疾(ji)速打(da)扎安裝,成圈(quan)后的電線(xian)在(zai)...