陶瓷手模的背景分析
2021-03-31(2837)次瀏覽(lan)
陶(tao)(tao)瓷(ci)(ci)手(shou)(shou)(shou)模(mo)是(shi)塑膠(jiao)手(shou)(shou)(shou)套、丁(ding)腈橡膠(jiao)手(shou)(shou)(shou)套行(xing)業生產(chan)上用(yong)來做(zuo)手(shou)(shou)(shou)套浸膠(jiao)成(cheng)(cheng)型的(de)模(mo)具(ju)。過(guo)去依靠進口,20世紀90年代(dai)國內(nei)研制出了(le)(le)用(yong)普通(tong)陶(tao)(tao)瓷(ci)(ci)制作手(shou)(shou)(shou)模(mo)。因普通(tong)陶(tao)(tao)瓷(ci)(ci)手(shou)(shou)(shou)模(mo)采(cai)(cai)用(yong)的(de)原料與傳統日(ri)用(yong)陶(tao)(tao)瓷(ci)(ci)是(shi)相(xiang)同(tong)的(de),包括黏土、石英(ying)、長石等,其(qi)耐堿性(xing)差(cha)、強度低,手(shou)(shou)(shou)套生產(chan)過(guo)程中,在酸堿溶(rong)液反復沖洗(xi)和(he)反復運行(xing)下,較(jiao)短的(de)時間內(nei),陶(tao)(tao)瓷(ci)(ci)手(shou)(shou)(shou)模(mo)表面就出現(xian)毛刺、淺坑、花紋不(bu)(bu)清(qing)晰、開裂,導致(zhi)手(shou)(shou)(shou)模(mo)使(shi)用(yong)壽(shou)命(ming)縮短。后來采(cai)(cai)用(yong)添加(jia)氧化鋁改善陶(tao)(tao)瓷(ci)(ci)手(shou)(shou)(shou)模(mo)的(de)性(xing)能,雖然用(yong)氧化鋁配方批(pi)量生產(chan)解(jie)決了(le)(le)日(ri)用(yong)瓷(ci)(ci)耐強堿的(de)問(wen)題,但(dan)是(shi)又(you)出現(xian)了(le)(le)新的(de)技術工(gong)藝(yi)的(de)問(wen)題:球(qiu)磨時間延長,注漿不(bu)(bu)易成(cheng)(cheng)型,泥漿的(de)流動性(xing)不(bu)(bu)好;坯(pi)體不(bu)(bu)易成(cheng)(cheng)型,半(ban)成(cheng)(cheng)品(pin)的(de)強度不(bu)(bu)高;半(ban)成(cheng)(cheng)品(pin)的(de)合格率低,生產(chan)成(cheng)(cheng)本高。
煤(mei)矸石(shi)屬于國家推(tui)廣使(shi)用的三廢材料(liao)之一,研究發(fa)現通過(guo)(guo)向(xiang)配料(liao)中引入(ru)適量的煤(mei)矸石(shi),能過(guo)(guo)較(jiao)好改善陶瓷手(shou)模的各項性能。
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