電(dian)線(xian)(xian)電(dian)纜產品(pin)的節距(ju)包括束線(xian)(xian)節距(ju)、絞(jiao)線(xian)(xian)節距(ju)、成纜節距(ju)、絕緣包帶節距(ju)、屏(ping)蔽(bi)包帶節距(ju)、墊層繞(rao)包節距(ju)、鎧裝層繞(rao)包節距(ju)等。 節距(ju)是指被(bei)絞(jiao)合(he)體(或繞(rao)包帶、線(xian)(xian))沿絞(jiao)合(he)軸線(xian)(xian)旋轉一(yi)周(zhou)所前進的距(ju)離。&nbs...
一、銅(tong)(tong)(tong)絲:這是(shi)采用(yong)(yong)(yong)的(de)最為多的(de)原料(liao)(liao),沒有(you)之一。采用(yong)(yong)(yong)電解銅(tong)(tong)(tong)作(zuo)為原料(liao)(liao),經連鑄連軋工藝制(zhi)成的(de)的(de)銅(tong)(tong)(tong)線(xian)(xian)(xian)(xian)(xian)稱(cheng)為低氧(yang)銅(tong)(tong)(tong)線(xian)(xian)(xian)(xian)(xian);經上(shang)引法制(zhi)成的(de)銅(tong)(tong)(tong)線(xian)(xian)(xian)(xian)(xian)稱(cheng)為無氧(yang)銅(tong)(tong)(tong)線(xian)(xian)(xian)(xian)(xian)。二、鋁線(xian)(xian)(xian)(xian)(xian):這是(shi)由于銅(tong)(tong)(tong)價逐(zhu)年上(shang)升,銅(tong)(tong)(tong)電纜(lan)制(zhi)造成本用(yong)(yong)(yong)作(zuo)電線(xian)(xian)(xian)(xian)(xian)用(yong)(yong)(yong)的(de)鋁線(xian)(xian)(xian)(xian)(xian)都要進行(xing)退火軟化過。用(yong)(yong)(yong)作(zuo)電纜(lan)用(yong)(yong)(yong)的(de)鋁線(xian)(xian)(xian)(xian)(xian)一般不...
一(yi)、在對線纜(lan)進(jin)行(xing)存放(fang)的(de)時候(hou),嚴禁與酸、堿及礦物油類接(jie)觸(chu),要與這些有(you)腐蝕性(xing)的(de)物質隔離存放(fang);二(er)、貯存電(dian)纜(lan)的(de)庫房(fang)內不得有(you)破(po)壞絕(jue)緣及腐蝕金(jin)屬的(de)有(you)害氣體(ti)存在;三(san)、盡可能避免在露(lu)天以裸露(lu)方式存放(fang)電(dian)纜(lan),電(dian)纜(lan)盤不允許平(ping)放(fang);四、電(dian)纜(lan)在保(bao)管期...
電線(xian)電纜產品的節(jie)距(ju)包(bao)括束線(xian)節(jie)距(ju)、絞線(xian)節(jie)距(ju)、成纜節(jie)距(ju)、絕(jue)緣包(bao)帶節(jie)距(ju)、屏蔽包(bao)帶節(jie)距(ju)、墊層繞包(bao)節(jie)距(ju)、鎧裝層繞包(bao)節(jie)距(ju)等。 節(jie)距(ju)是指(zhi)被絞合(he)體(或繞包(bao)帶、線(xian))沿絞合(he)軸線(xian)旋轉一(yi)周所前進(jin)的距(ju)離。&nbs...
購買電線電纜產(chan)品(pin)(pin)時應(ying)仔(zi)細觀察產(chan)品(pin)(pin)的合格證對(dui)于產(chan)品(pin)(pin)型號(hao)、規格、額定電壓(ya)、芯(xin)數(shu)、生產(chan)日期、執(zhi)行(xing)標(biao)準、許可證編(bian)號(hao)等(deng)相關信息(xi)是(shi)否標(biao)注齊(qi)全(quan),產(chan)品(pin)(pin)實(shi)物表面應(ying)印有(you)(you)廠名、產(chan)品(pin)(pin)型號(hao)和(he)額定電壓(ya)的連(lian)續性標(biao)志,核(he)實(shi)兩者相關的信息(xi)是(shi)否一致(zhi)。合格證上都有(you)(you)長度標(biao)識,可先...
正確選擇電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)非常重(zhong)要,怎樣(yang)選擇電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)是(shi)(shi)很多客(ke)戶咨(zi)詢的(de)(de)(de)問(wen)題,一起來學習一下:首先(xian),選用(yong)電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)產(chan)品時,最好請教有經驗的(de)(de)(de)專業(ye)電(dian)(dian)(dian)(dian)工,根據自己(ji)的(de)(de)(de)用(yong)電(dian)(dian)(dian)(dian)負荷來采用(yong)合適截(jie)面(mian)大小和電(dian)(dian)(dian)(dian)壓等級的(de)(de)(de)電(dian)(dian)(dian)(dian)纜(lan)(lan)。長度和截(jie)面(mian)是(shi)(shi)一個重(zhong)要因素,合格證上都有長度標識,可先(xian)估...
PVC聚氯乙烯(以下(xia)簡(jian)稱PVC)絕(jue)緣材料是在PVC粉(fen)中添(tian)加穩定(ding)劑(ji)(ji)、增塑劑(ji)(ji)、阻燃劑(ji)(ji)、潤滑劑(ji)(ji)及其它助劑(ji)(ji)的(de)混合物。針對電線電纜不同(tong)應用與(yu)不同(tong)的(de)特性需求,其配方做相應的(de)調整。經過幾(ji)十年的(de)生(sheng)產和使用,目前(qian)PVC制造及加工技術已經非(fei)常成熟。PV...
電(dian)線電(dian)纜生產過程(cheng)(cheng)質(zhi)量(liang)檢驗(yan)(yan)是(shi)按照(zhao)生產計(ji)劃單,工藝指導書(shu)和操作規程(cheng)(cheng)的(de)要(yao)(yao)求進行驗(yan)(yan)證檢驗(yan)(yan)的(de),檢驗(yan)(yan)的(de)形式多種多樣,本(ben)文著重闡(chan)述按生產過程(cheng)(cheng)分類的(de)產品過程(cheng)(cheng)檢驗(yan)(yan),即首(shou)件(jian)檢驗(yan)(yan),巡(xun)回檢驗(yan)(yan),完工檢驗(yan)(yan)。一.首(shou)件(jian)檢驗(yan)(yan)首(shou)件(jian)檢驗(yan)(yan)應該(gai)是(shi)十分重要(yao)(yao)的(de),因(yin)為在開始時能夠發現問(wen)題(ti)...
電(dian)(dian)線(xian)(xian)電(dian)(dian)纜(lan)在(zai)工作的(de)(de)時候電(dian)(dian)阻會產生熱量這是(shi)大(da)家都(dou)知道的(de)(de)事(shi)實。電(dian)(dian)線(xian)(xian)電(dian)(dian)纜(lan)的(de)(de)導線(xian)(xian)功率都(dou)非常(chang)小(xiao),發(fa)熱功率也有(you)專業(ye)公(gong)式可以計算出(chu)來:q=I^2R。Q=I^2R表(biao)示通(tong)過導體的(de)(de)電(dian)(dian)流越(yue)大(da),它的(de)(de)加熱功率越(yue)大(da)(R基(ji)本上是(shi)恒定的(de)(de));如(ru)果電(dian)(dian)流恒定,則導線(xian)(xian)的(de)(de)發(fa)...
改革開(kai)放以后,公(gong)共事業(ye)和住宅(zhai)建設(she)(she)(she)發展迅速,家(jia)用電(dian)氣(qi)設(she)(she)(she)備(bei)和其它(ta)用電(dian)設(she)(she)(she)備(bei)日漸增(zeng)多。但不可忽視的是在(zai)每(mei)年發生的火(huo)(huo)災中(zhong),電(dian)氣(qi)火(huo)(huo)災也呈上升趨勢。在(zai)短(duan)短(duan)的幾年中(zhong),電(dian)氣(qi)火(huo)(huo)災比例增(zeng)長(chang)一倍(bei)以上,其中(zhong)相(xiang)當一部分是由電(dian)纜電(dian)線的絕(jue)緣損(sun)壞、過熱(re)自(zi)燃(ran)、接(jie)觸不良、電(dian)纜單...
冬季嚴寒,許(xu)多施工(gong)(gong)人(ren)員在敷設安裝電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)的(de)(de)時候會(hui)發(fa)(fa)現,平時質量(liang)良好的(de)(de)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)產品,經(jing)(jing)常會(hui)出現一些線(xian)體發(fa)(fa)硬(ying)、絕(jue)緣外(wai)皮脫落(luo)受損等(deng)現象,很多施工(gong)(gong)人(ren)員以為是電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)產品本身出現了質量(liang)問題,而電(dian)(dian)(dian)纜(lan)廠(chang)家也堅持產品在出廠(chang)時已經(jing)(jing)經(jing)(jing)過檢驗,是合格的(de)(de)產品,常常...
電(dian)線電(dian)纜老(lao)化故障的(de)原(yuan)(yuan)因(yin)(yin)有很多種(zhong),最直接原(yuan)(yuan)因(yin)(yin)是(shi)(shi)絕(jue)緣降低(di)而被(bei)擊穿。導(dao)敏(min)絕(jue)緣降低(di)的(de)因(yin)(yin)素很多,根據實際運行經驗(yan),遼寧大元電(dian)纜小編歸納起來以下(xia)幾種(zhong)情況(kuang)。電(dian)纜老(lao)化的(de)幾點(dian)原(yuan)(yuan)因(yin)(yin)1)電(dian)纜老(lao)化原(yuan)(yuan)因(yin)(yin):外力損(sun)傷。由近幾年(nian)的(de)運行分析來看,尤其(qi)是(shi)(shi)在經濟高速(su)發展(zhan)中的(de)海...
電(dian)線(xian)電(dian)纜(lan)已(yi)經成為(wei)國(guo)民經濟發展的(de)(de)(de)支柱(zhu),在我(wo)們的(de)(de)(de)生(sheng)活中(zhong)任(ren)何(he)的(de)(de)(de)領域都已(yi)經離不(bu)開線(xian)纜(lan)。隨著(zhu)節能環(huan)保(bao)(bao)的(de)(de)(de)不(bu)斷提倡,生(sheng)產和制(zhi)造環(huan)保(bao)(bao)無公害的(de)(de)(de)產品已(yi)經成為(wei)全球性發展的(de)(de)(de)趨(qu)勢。如何(he)推動電(dian)線(xian)電(dian)纜(lan)的(de)(de)(de)發展呢?1、產品研發:目前國(guo)際上(shang)環(huan)保(bao)(bao)的(de)(de)(de)法(fa)規越來越多,對線(xian)纜(lan)企業的(de)(de)(de)生(sheng)產...
電(dian)線(xian)電(dian)纜(lan)在(zai)我(wo)國的基礎建設當中起到(dao)了很重要(yao)的鏈接作用,隨著我(wo)國的不(bu)斷發展(zhan),對(dui)于(yu)動(dong)力電(dian)纜(lan)行(xing)業來(lai)說,針對(dui)不(bu)斷變化的幣場(chang)和需求(qiu),傳統的行(xing)業模式已經不(bu)能適應幣場(chang)發展(zhan),所以對(dui)于(yu)很多企業來(lai)說,行(xing)業的轉變刻不(bu)容緩。我(wo)國電(dian)線(xian)電(dian)纜(lan)行(xing)業仍(reng)然是(shi)繼續(xu)發展(zhan)的趨(qu)勢,但是(shi)...
冬季嚴寒(han),許多(duo)施工(gong)人員在敷設安裝電(dian)線(xian)電(dian)纜(lan)的時候會發現,平(ping)時質(zhi)量良好(hao)的電(dian)線(xian)電(dian)纜(lan)產品,經常會出(chu)現一(yi)些線(xian)體(ti)發硬、絕(jue)緣外皮脫落受損等(deng)現象,很多(duo)施工(gong)人員以為是電(dian)線(xian)電(dian)纜(lan)產品本身出(chu)現了質(zhi)量問題,而電(dian)纜(lan)廠家也(ye)堅持(chi)產品在出(chu)廠時已經...
航(hang)空航(hang)天、機(ji)車(che)(che)車(che)(che)輛、能源、鋼鐵、有色金屬冶煉(lian)、石油開采(cai)、電機(ji)、建設等領域需(xu)用耐高溫電線電纜(lan)。長期連(lian)續工(gong)作溫度(du)(du)125度(du)(du)、135度(du)(du)、150度(du)(du)、180度(du)(du)、200度(du)(du)、250度(du)(du)及250度(du)(du)以上的(de)耐高...
為了增強人們的(de)安(an)全(quan)意(yi)識(shi),保障生(sheng)活安(an)全(quan)與財產(chan)安(an)全(quan),提高電氣系統的(de)安(an)全(quan)可靠性,大(da)元電纜(lan)小編總(zong)結出安(an)全(quan)用電的(de)幾點小常識(shi):1.總(zong)閘處保險絲的(de)選(xuan)用要(yao)合理(li),不(bu)允許使用銅絲、鋁(lv)絲或鐵絲來(lai)代(dai)替(ti)。2.所有的(de)大(da)功率(lv)或者(zhe)有相關使用說明(ming)...
電(dian)線(xian)電(dian)纜的(de)制造與大多(duo)數機電(dian)產(chan)品的(de)生產(chan)方式是完全不同的(de)。機電(dian)產(chan)品通常采用將(jiang)另件(jian)裝(zhuang)配成部(bu)件(jian)、多(duo)個部(bu)件(jian)再裝(zhuang)配成單臺(tai)產(chan)品,產(chan)品以(yi)臺(tai)數或件(jian)數計(ji)量。電(dian)線(xian)電(dian)纜是以(yi)長(chang)度為基本(ben)計(ji)量單位...
大元電纜廠家利用引進的部分關鍵專用設(she)(she)備和(he)技(ji)術添(tian)加(jia)鋁鋯合金(jin),將熔鋁燃(ran)煤爐改造成(cheng)(cheng)熔鋁燃(ran)油或天然氣(qi)爐,全(quan)部消除熔鋁燃(ran)煤爐燃(ran)煤煙塵(chen)和(he)煙氣(qi)的排(pai)放(fang),并設(she)(she)置煙氣(qi)過濾裝置凈化煙氣(qi),提(ti)高排(pai)放(fang)質量,提(ti)高成(cheng)(cheng)品率,降低成(cheng)(cheng)本,同(tong)時使導(dao)線工作溫(wen)度從70℃提(ti)高到150℃...
假冒(mao)劣質(zhi)電(dian)線(xian)(xian)電(dian)纜(lan)(lan)生產(chan)(chan)者為(wei)了獲取(qu)暴利,不顧(gu)廣大(da)消費者的利益(yi),大(da)量生產(chan)(chan)劣質(zhi)電(dian)線(xian)(xian)電(dian)纜(lan)(lan)產(chan)(chan)品(pin),擾亂(luan)電(dian)線(xian)(xian)電(dian)纜(lan)(lan)市場,損害廣大(da)用(yong)戶的利益(yi)。所以,正確(que)選擇電(dian)線(xian)(xian)電(dian)纜(lan)(lan)顯得非常(chang)重要,什么樣(yang)的產(chan)(chan)品(pin)才合(he)格(ge)呢?電(dian)線(xian)(xian)電(dian)纜(lan)(lan)作(zuo)為(wei)電(dian)力傳輸的主要載體,廣泛應用(yong)于電(dian)器裝(zhuang)備、照(zhao)明線(xian)(xian)路(lu)...
電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜作為電(dian)(dian)(dian)力傳輸(shu)的(de)(de)主要載(zai)體,廣泛應用于電(dian)(dian)(dian)器裝備(bei)、照明(ming)線(xian)路、家(jia)用電(dian)(dian)(dian)器等方面,鐵嶺大元(yuan)電(dian)(dian)(dian)纜小編給大家(jia)普及下小知識:選購(gou)(gou)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜時注意(yi)以下幾(ji)點:1.產(chan)品(pin)(pin)的(de)(de)標識。選購(gou)(gou)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜產(chan)品(pin)(pin)時應觀察產(chan)品(pin)(pin)的(de)(de)合格(ge)證對(dui)于產(chan)品(pin)(pin)型號、規格(ge)、額定電(dian)(dian)(dian)壓、芯數(shu)、生產(chan)日期、...
電(dian)線(xian)電(dian)纜(lan)是施工過(guo)程不可缺少的(de)材料,一旦電(dian)纜(lan)起(qi)火(huo),將(jiang)會引(yin)起(qi)嚴重(zhong)火(huo)災和停電(dian)事故,此(ci)外,電(dian)纜(lan)燃燒時產生(sheng)大量(liang)濃(nong)煙和毒氣(qi),不僅(jin)污染環(huan)境,而且危及(ji)人的(de)生(sheng)命安(an)全。據筆者(zhe)統計(ji),去年(nian)發生(sheng)的(de)電(dian)線(xian)電(dian)纜(lan)火(huo)災事故,占電(dian)氣(qi)火(huo)災事故總數的(de)40%左右。為了增(zeng)強人們的(de)安(an)全意...
與中(zhong)國(guo)不同(tong)的西方國(guo)家是(shi)(shi)一個(ge)完全(quan)的私(si)有制國(guo)家,國(guo)際"IEC"標準的前身最(zui)初也是(shi)(shi)誕生(sheng)在單個(ge)企業主地盤的產物。中(zhong)國(guo)是(shi)(shi)世界上最(zui)大電(dian)線電(dian)纜生(sheng)產國(guo),全(quan)球名(ming)列第一的年7000億的產值。電(dian)線電(dian)纜產業發展迅(xun)速,對工業經(jing)濟的支撐(cheng)作(zuo)用日益明顯...
電(dian)線(xian)電(dian)纜行(xing)業發展迅速,到(dao)現在已(yi)經是(shi)(shi)(shi)(shi)我(wo)國(guo)第(di)二大產(chan)業,現在已(yi)經是(shi)(shi)(shi)(shi)到(dao)了最(zui)為巔(dian)峰的時期,相(xiang)信要想(xiang)百尺竿頭更進一步,還是(shi)(shi)(shi)(shi)有不(bu)小的阻力(li)。盡管電(dian)線(xian)電(dian)纜行(xing)業發展也(ye)這么多年了,但(dan)是(shi)(shi)(shi)(shi)關(guan)于電(dian)線(xian)電(dian)纜的制造原料(liao)還是(shi)(shi)(shi)(shi)有很多外(wai)行(xing)不(bu)了解,今天小...