噴塑橋架

噴塑電纜橋架是將塑料粉末噴涂在電纜橋架上的一種表面處理方法。

不(bu)(bu)需(xu)(xu)稀料，施(shi)工(gong)(gong)對(dui)(dui)(dui)環境對(dui)(dui)(dui)人體無毒(du)害(hai)；涂(tu)層外(wai)觀質(zhi)量(liang)優異，附著力及機械強度(du)強；噴(pen)涂(tu)施(shi)工(gong)(gong)固化時間短；涂(tu)層耐腐(fu)耐磨能力高出(chu)(chu)很多；不(bu)(bu)需(xu)(xu)底漆(qi)(qi)；施(shi)工(gong)(gong)簡便，對(dui)(dui)(dui)工(gong)(gong)人技(ji)術(shu)要求低；成本低于噴(pen)漆(qi)(qi)工(gong)(gong)藝；有(you)些(xie)施(shi)工(gong)(gong)場合已經明(ming)確(que)提出(chu)(chu)使用靜(jing)電噴(pen)塑工(gong)(gong)藝處理；靜(jing)電噴(pen)粉噴(pen)涂(tu)過程(cheng)中不(bu)(bu)會出(chu)(chu)現(xian)噴(pen)漆(qi)(qi)工(gong)(gong)藝中常見的流淌現(xian)象。

是(shi)利用電(dian)(dian)暈放電(dian)(dian)現(xian)象使(shi)粉(fen)末(mo)涂(tu)料吸(xi)附(fu)(fu)在電(dian)(dian)纜(lan)橋架上的(de)(de)。其過(guo)(guo)程是(shi)這樣的(de)(de)：粉(fen)末(mo)涂(tu)料由(you)供(gong)粉(fen)系統借壓縮(suo)空氣氣體送(song)入噴槍，在噴槍前端加有高(gao)壓靜電(dian)(dian)發生(sheng)器產生(sheng)的(de)(de)高(gao)壓，由(you)于(yu)電(dian)(dian)暈放電(dian)(dian)，在其附(fu)(fu)近產生(sheng)密集的(de)(de)電(dian)(dian)荷，粉(fen)末(mo)由(you)槍嘴(zui)噴出時，形成(cheng)帶電(dian)(dian)涂(tu)料粒子，它受(shou)靜電(dian)(dian)力的(de)(de)作(zuo)用，被吸(xi)到與其相(xiang)反的(de)(de)工(gong)件上去，隨著(zhu)噴上的(de)(de)粉(fen)末(mo)增多，電(dian)(dian)荷積(ji)聚也越多，當(dang)達(da)到一定厚(hou)度(du)時，由(you)于(yu)產生(sheng)靜電(dian)(dian)排斥作(zuo)用，便不繼(ji)續吸(xi)附(fu)(fu)，從而使(shi)整個工(gong)件獲(huo)得一定厚(hou)度(du)的(de)(de)粉(fen)末(mo)涂(tu)層，然后經過(guo)(guo)熱使(shi)粉(fen)末(mo)熔融、流平(ping)、固化，即在工(gong)件表(biao)面形成(cheng)堅硬的(de)(de)涂(tu)膜(mo)。