閃奇電(dian)線電(dian)纜(lan)解析電(dian)焊機電(dian)纜(lan)質量問題
電(dian)焊機電(dian)纜(lan)材(cai)料不(bu)純(chun)或(huo)(huo)不(bu)合(he)格(ge),電(dian)纜(lan)芯線(xian)(xian)用銅導(dao)(dao)體或(huo)(huo)鋁導(dao)(dao)體不(bu)純(chun),加工(gong)電(dian)纜(lan)芯線(xian)(xian)導(dao)(dao)體的材(cai)料應為優質的電(dian)解銅或(huo)(huo)電(dian)解鋁版,先制成圓形(xing)線(xian)(xian)材(cai),經(jing)酸洗處(chu)理后,在經(jing)多道(dao)拉拔加工(gong)成規定直徑裸(luo)銅(或(huo)(huo)裸(luo)鋁)導(dao)(dao)體,再通(tong)過真空(kong)光亮退火合(he)格(ge)為芯線(xian)(xian)成林,在通(tong)過多道(dao)包繞或(huo)(huo)注絕緣層,屏蔽層,護套(tao)等工(gong)序而(er)為電(dian)纜(lan)成品,由于(yu)芯線(xian)(xian)材(cai)質不(bu)純(chun),含雜質多,使其導(dao)(dao)電(dian)力下(xia)降。
電(dian)(dian)纜芯線導(dao)(dao)體(ti)標稱(cheng)截面(mian)不(bu)符(fu)合要求。電(dian)(dian)纜生產廠(chang)加工出的(de)芯線界面(mian)比標稱(cheng)界面(mian)小,是單元電(dian)(dian)流密度過大,欲(yu)行(xing)中導(dao)(dao)致不(bu)正常發(fa)熱(re),結果導(dao)(dao)致電(dian)(dian)纜著火。
絕緣材料成分不符合(he)要求及加(jia)工(gong)不良,其結果使(shi)電(dian)纜(lan)在(zai)運(yun)行中承受耐壓力(li)下(xia)降(jiang),絕緣電(dian)阻不合(he)格,容(rong)易(yi)加(jia)速老化(hua)和(he)龜(gui)裂,易(yi)使(shi)電(dian)纜(lan)出現(xian)相(xiang)間短路(lu)和(he)接地故障產生。
電(dian)(dian)纜(lan)生產過程(cheng)(cheng)工藝(yi)差,一些(xie)電(dian)(dian)纜(lan)廠家(jia)在電(dian)(dian)纜(lan)的(de)生產過程(cheng)(cheng)中未(wei)嚴格按工藝(yi)操作,或一些(xie)生產條件較差的(de)廠家(jia),粗制濫造,都會導致電(dian)(dian)纜(lan)質量下降、運(yun)輸不(bu)當是電(dian)(dian)纜(lan)損(sun)(sun)壞,原本合格的(de)電(dian)(dian)纜(lan)出場運(yun)輸及裝卸過程(cheng)(cheng)不(bu)當,使(shi)電(dian)(dian)纜(lan)受擠(ji)壓或撞擊,內部(bu)芯線受損(sun)(sun)、各絕(jue)緣層(ceng)受損(sun)(sun)。
總之,對在線運(yun)行(xing)的電(dian)纜線路電(dian)氣設(she)備,只有(you)選(xuan)擇(ze)質量好(hao)的原件(jian),按規(gui)程安(an)裝,合理(li)使用,及(ji)時(shi)維護,加強消防(fang)意識,健全滅火(huo)制度和安(an)裝先進(jin)的防(fang)火(huo)及(ji)報警裝置,電(dian)纜的火(huo)災才會減(jian)少。