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)需(xu)稀料，施工(gong)對(dui)環境對(dui)人(ren)體無毒(du)害；涂(tu)層外(wai)觀(guan)質(zhi)量優(you)異，附著力及機械強(qiang)度強(qiang)；噴(pen)(pen)(pen)涂(tu)施工(gong)固化時間短；涂(tu)層耐腐耐磨能(neng)力高出很多(duo)；不(bu)需(xu)底漆；施工(gong)簡便，對(dui)工(gong)人(ren)技術要(yao)求低(di)(di)；成本低(di)(di)于噴(pen)(pen)(pen)漆工(gong)藝(yi)；有些(xie)施工(gong)場合已經(jing)明確(que)提(ti)出使用(yong)靜電噴(pen)(pen)(pen)塑(su)工(gong)藝(yi)處理；靜電噴(pen)(pen)(pen)粉噴(pen)(pen)(pen)涂(tu)過程中不(bu)會出現噴(pen)(pen)(pen)漆工(gong)藝(yi)中常見的流淌(tang)現象。

是利用電(dian)(dian)(dian)(dian)(dian)暈放(fang)電(dian)(dian)(dian)(dian)(dian)現象使(shi)粉末(mo)涂(tu)(tu)料(liao)吸附在(zai)電(dian)(dian)(dian)(dian)(dian)纜(lan)橋架上的(de)(de)。其過(guo)程是這(zhe)樣(yang)的(de)(de)：粉末(mo)涂(tu)(tu)料(liao)由(you)(you)供粉系統(tong)借壓縮空(kong)氣氣體送入噴(pen)(pen)槍(qiang)，在(zai)噴(pen)(pen)槍(qiang)前(qian)端加有高壓靜電(dian)(dian)(dian)(dian)(dian)發生器(qi)產生的(de)(de)高壓，由(you)(you)于電(dian)(dian)(dian)(dian)(dian)暈放(fang)電(dian)(dian)(dian)(dian)(dian)，在(zai)其附近產生密(mi)集的(de)(de)電(dian)(dian)(dian)(dian)(dian)荷，粉末(mo)由(you)(you)槍(qiang)嘴噴(pen)(pen)出時，形成帶電(dian)(dian)(dian)(dian)(dian)涂(tu)(tu)料(liao)粒子，它受靜電(dian)(dian)(dian)(dian)(dian)力的(de)(de)作(zuo)用，被吸到(dao)與其相反的(de)(de)工件上去，隨著噴(pen)(pen)上的(de)(de)粉末(mo)增(zeng)多，電(dian)(dian)(dian)(dian)(dian)荷積聚也越多，當達(da)到(dao)一定厚度(du)時，由(you)(you)于產生靜電(dian)(dian)(dian)(dian)(dian)排斥作(zuo)用，便不繼續(xu)吸附，從而使(shi)整個工件獲得一定厚度(du)的(de)(de)粉末(mo)涂(tu)(tu)層，然后(hou)經過(guo)熱使(shi)粉末(mo)熔融、流平、固化，即在(zai)工件表(biao)面形成堅硬的(de)(de)涂(tu)(tu)膜。