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線纜機械轉彎引起的機械性損傷問題
由于(yu)線纜(lan)(lan)(lan)(lan)機(ji)械電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)外徑較(jiao)大,運輸、敷設(she)較(jiao)為困難,電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)對轉彎半徑的要求(qiu)也比(bi)較(jiao)嚴格。電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)在施工中,如果轉彎角度過大,可能使導體內部受到機(ji)械損傷,而機(ji)械損傷因被電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)絕緣(yuan)強度下降(jiang),直到出(chu)現(xian)故(gu)障,施工中發現(xian)一次電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)頭故(gu)障,在電(dian)(dian)(dian)(dian)纜(lan)(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、電(dian)(dian)線電(dian)(dian)纜(lan)(lan)選用的(de)(de)一般(ban)原則 在選用電(dian)(dian)線電(dian)(dian)纜(lan)(lan)時,一般(ban)要(yao)注意電(dian)(dian)線電(dian)(dian)纜(lan)(lan)型(xing)(xing)號、規格 (導體截(jie)面)的(de)(de)選擇。 1、電(dian)(dian)線電(dian)(dian)纜(lan)(lan)型(xing)(xing)號的(de)(de)選擇 選用電(dian)(dian)線電(dian)(dian)纜(lan)(lan)時,要(yao)考(kao)慮用途(tu),敷設條(tiao)(tiao)件及安(an)全性;例(li)如, 根據用途(tu)的(de)(de)不同(tong),可選用電(dian)(dian)力電(dian)(dian)纜(lan)(lan)、架空絕緣電(dian)(dian)纜(lan)(lan)、控制(zhi)電(dian)(dian)纜(lan)(lan)等; 根據敷設條(tiao)(tiao)件...
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線纜機械轉彎引起的機械性損傷問題
由于線(xian)纜(lan)(lan)機械電(dian)(dian)力電(dian)(dian)纜(lan)(lan)外徑較大,運輸(shu)、敷設較為(wei)困(kun)難,電(dian)(dian)力電(dian)(dian)纜(lan)(lan)對轉彎半徑的要(yao)求(qiu)也(ye)比較嚴格。電(dian)(dian)力電(dian)(dian)纜(lan)(lan)在(zai)施工中,如果轉彎角度過(guo)大,可能使導體內部受(shou)到機械損傷(shang),而機械損傷(shang)因被電(dian)(dian)纜(lan)(lan)絕緣強(qiang)度下降,直到出(chu)現故(gu)障,施工中發現一次電(dian)(dian)纜(lan)(lan)頭故(gu)障,在(zai)電(dian)(dian)纜(lan)(lan)頭制作時,三(san)...
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押出常見問題點及對策
一. 電(dian)子線 1. 表面(mian)粗糙: A. 溫度太低(di):溫度作適當上調(diao) B. PVC烘(hong)烤不足:依作業標準(zhun)烘(hong)烤膠料(liao)(時(shi)間(jian)(jian)/溫度) C. 機頭(tou)壓(ya)力太小:更換廊段較(jiao)長的外模,增加網膜枚數(shu) 2. 死(si)膠焦料(liao): A. PVC在機頭(tou)中停留時(shi)間(jian)(jian)較(jiao)長:押出(chu)時(shi)將停留時(shi)間(jian)(jian)較(jiao)長的料(liao)排盡 B. 押出(chu)溫...
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水對交聯電纜產品性能的影響?
隨著市場經濟的(de)不斷(duan)深入發(fa)(fa)展(zhan),競(jing)(jing)爭(zheng)(zheng)越(yue)來越(yue)激烈(lie),企(qi)業(ye)(ye)與企(qi)業(ye)(ye)的(de)競(jing)(jing)爭(zheng)(zheng)歸根到底是(shi)產品(pin)質量(liang)與服務的(de)競(jing)(jing)爭(zheng)(zheng)。眾所(suo)周(zhou)知,產品(pin)質量(liang)是(shi)企(qi)業(ye)(ye)的(de)生命,好的(de)產品(pin)質量(liang)會(hui)使企(qi)業(ye)(ye)在市場競(jing)(jing)爭(zheng)(zheng)的(de)大潮中立于不敗之地(di),是(shi)企(qi)業(ye)(ye)可持續發(fa)(fa)展(zhan)的(de)源動(dong)力。中高壓(ya)交聯聚乙(yi)烯絕緣(yuan)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(dan)絞(jiao)機(ji)和(he)雙(shuang)絞(jiao)機(ji)都是對導體進行束絲成纜(lan)(lan)。那么(me)兩(liang)者又有什么(me)區別(bie)呢?先各自說一下定(ding)義(yi)吧(ba)。 單(dan)絞(jiao)機(ji) ,是對各類數據線(xian)纜(lan)(lan)的(de)芯(xin)線(xian)進行絞(jiao)合成纜(lan)(lan),并可(ke)實現中(zhong)心(xin)及側(ce)放包帶一次性完成。主要(yao)側(ce)重于(yu)芯(xin)線(xian)的(de)成纜(lan)(lan)。有時也(ye)可(ke)稱之為成纜(lan)(lan)機(ji)。雙(shuang)絞(jiao)機(ji),則是對各類線(xian)纜(lan)(lan)導體進行束...
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自動成圈打扎機的種類有哪些?
自(zi)(zi)動(dong)(dong)成(cheng)圈(quan)(quan)(quan)打扎(zha)(zha)機,是一(yi)(yi)種集自(zi)(zi)動(dong)(dong)成(cheng)圈(quan)(quan)(quan)、打扎(zha)(zha)、收線于一(yi)(yi)體(ti)的(de)電(dian)線電(dian)纜輔助設備。其(qi)根據(ju)線纜截(jie)(jie)面面積的(de)不同,可以分(fen)為小截(jie)(jie)面高速自(zi)(zi)動(dong)(dong)成(cheng)圈(quan)(quan)(quan)機、中截(jie)(jie)面自(zi)(zi)動(dong)(dong)成(cheng)圈(quan)(quan)(quan)機、大截(jie)(jie)面自(zi)(zi)動(dong)(dong)智能成(cheng)圈(quan)(quan)(quan)機、扁形線專(zhuan)用成(cheng)圈(quan)(quan)(quan)機、雙(shuang)盤自(zi)(zi)動(dong)(dong)成(cheng)圈(quan)(quan)(quan)機、雙(shuang)盤自(zi)(zi)動(dong)(dong)成(cheng)圈(quan)(quan)(quan)收線機等類型(xing)。其(qi)中小截(jie)(jie)面自(zi)(zi)...
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大截面自動成圈機有哪些優勢和特點
大截面(mian)自動成(cheng)(cheng)(cheng)圈(quan)機(ji),顧名思義,就是(shi)對于線(xian)(xian)(xian)纜(lan)直徑(jing)較多或者面(mian)積較大的(de)線(xian)(xian)(xian)纜(lan)進(jin)行成(cheng)(cheng)(cheng)圈(quan)、打(da)扎的(de)成(cheng)(cheng)(cheng)圈(quan)機(ji)。那么大截面(mian)自動成(cheng)(cheng)(cheng)圈(quan)機(ji)有哪些優勢和特點呢? 1、生產效力高: 這(zhe)種成(cheng)(cheng)(cheng)圈(quan)機(ji)采取(qu)主(zhu)動排(pai)線(xian)(xian)(xian),一(yi)人(ren)操作(zuo),收線(xian)(xian)(xian)成(cheng)(cheng)(cheng)圈(quan)速(su)度(du)是(shi)傳統機(ji)型(xing)的(de)23倍(bei);疾速(su)打(da)扎安(an)裝,成(cheng)(cheng)(cheng)圈(quan)后的(de)電線(xian)(xian)(xian)在...