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如何分析開放式煉膠機混煉過程

 更新時間:2011-11-14 點擊量:3271

       江都市(shi)精輝試(shi)驗(yan)機(ji)械廠生產(chan)電(dian)子(zi)拉(la)(la)力(li)機(ji),拉(la)(la)力(li)機(ji),拉(la)(la)力(li)試(shi)驗(yan)機(ji),電(dian)子(zi)拉(la)(la)力(li)試(shi)驗(yan)機(ji),試(shi)驗(yan)機(ji)等等測試(shi)儀器(qi)廠家(jia)。

        一般開放式煉(lian)膠(jiao)(jiao)機在(zai)(zai)使用過程中,或在(zai)(zai)操作方面改變輥(gun)(gun)筒(tong)溫(wen)度(du)(du)(du)會出現四種不(bu)同的包(bao)輥(gun)(gun)狀態。溫(wen)度(du)(du)(du)較低,膠(jiao)(jiao)料較硬,彈(dan)性(xing)高(gao),橡膠(jiao)(jiao)主要停留(liu)在(zai)(zai)堆積(ji)膠(jiao)(jiao)處滑動(dong)(dong)(dong)(dong),延遲生產(chan)過程。溫(wen)度(du)(du)(du)適(shi)宜(yi),橡膠(jiao)(jiao)能正(zheng)常包(bao)于(yu)輥(gun)(gun)筒(tong)上,既有(you)塑性(xing)流動(dong)(dong)(dong)(dong)又(you)有(you)適(shi)當高(gao)的彈(dan)性(xing)變形,有(you)利于(yu)混煉(lian)操作。隨著溫(wen)度(du)(du)(du)的提高(gao),流動(dong)(dong)(dong)(dong)性(xing)增加(jia),分子間力(li)減小,強度(du)(du)(du)降低,膠(jiao)(jiao)片(pian)不(bu)能緊包(bao)在(zai)(zai)輥(gun)(gun)筒(tong)上,出現脫輥(gun)(gun)或破裂現象。橡膠(jiao)(jiao)在(zai)(zai)更高(gao)的溫(wen)度(du)(du)(du)下呈粘彈(dan)性(xing)流體包(bao)于(yu)輥(gun)(gun)筒(tong),并產(chan)生塑性(xing)流動(dong)(dong)(dong)(dong)。

 文(wen)章來自:江都市精輝試驗機械廠-技術部