1)連接(jie)銅(tong)屏(ping)蔽層。在I三相(xiang)電纜線(xian)(xian)芯(xin)上,分別用25mm2銅(tong)編(bian)織帶(dai)連接(jie)兩端金屬(shu)屏(ping)蔽帶(dai),其兩端在距絕緣(yuan)屏(ping)蔽管端口(kou)30mm處用$p1.0mm鍍錫(xi)(xi)銅(tong)線(xian)(xian)綁兩匝在銅(tong)屏(ping)蔽帶(dai)上,用焊(han)(han)錫(xi)(xi)焊(han)(han)牢。銅(tong)扎線(xian)(xian)應(ying)盡量(liang)扎在銅(tong)編(bian)織帶(dai)端頭的邊緣(yuan),避免焊(han)(han)接(jie)時,溫度偏高,焊(han)(han)接(jie)滲(shen)透使(shi)端頭銅(tong)絲脹開,致(zhi)焊(han)(han)面不(bu)夠緊(jin)密復貼(tie),影響外(wai)觀(guan)質量(liang)。用半重疊法在三相(xiang)線(xian)(xian)芯(xin)上包纏一層鋼網(wang)帶(dai),兩端用φ1.0mm鍍錫(xi)(xi)銅(tong)線(xian)(xian)綁兩匝在銅(tong)屏(ping)蔽帶(dai)上,用焊(han)(han)錫(xi)(xi)焊(han)(han)牢。
2)熱(re)縮(suo)內(nei)(nei)護(hu)套。將(jiang)三相線芯并攏,用(yong)白(bai)布帶按間隔(ge)50mm距離疏繞(rao),往返包繞(rao)兩層扎緊。內(nei)(nei)護(hu)套上包繞(rao)-層紅(hong)(hong)色密封膠,將(jiang)一端內(nei)(nei)護(hu)套管拉(la)至接頭(tou)上, 與紅(hong)(hong)色密封膠搭接,從紅(hong)(hong)色密封膠帶處向中間收(shou)縮(suo)。用(yong)同一方(fang) 法(fa)收(shou)縮(suo)另一端內(nei)(nei)護(hu)套,二者搭接部分(fen)包繞(rao)100mm長(chang)紅(hong)(hong)色密封膠。