SGK-400系列塑料硬管擴口機用途與特點:
           400全(quan)自(zi)動(dong)(dong)型(xing)(xing)(xing)(xing)擴管(guan)機，配有(you)(you)與(yu)主機配套的(de)接(jie)料牽引裝置(zhi)和(he)相應的(de)程序借(jie)口，既(ji)能與(yu)擠管(guan)主機聯線使(shi)用(yong)(yong)，又可(ke)以作(zuo)單(dan)機使(shi)用(yong)(yong);擴管(guan)時管(guan)材的(de)移(yi)動(dong)(dong)均(jun)采(cai)用(yong)(yong)平移(yi)方(fang)式，動(dong)(dong)作(zuo)平穩(wen)準確而且(qie)(qie)不易損傷管(guan)材;這種機型(xing)(xing)(xing)(xing)采(cai)用(yong)(yong)紅外線加(jia)熱(re)方(fang)式且(qie)(qie)為雙加(jia)熱(re)爐型(xing)(xing)(xing)(xing)，每(mei)個加(jia)熱(re)爐都配有(you)(you)中心加(jia)熱(re)爐芯;成型(xing)(xing)(xing)(xing)方(fang)式均(jun)采(cai)用(yong)(yong)擴管(guan)頭定(ding)型(xing)(xing)(xing)(xing)方(fang)式，管(guan)口成型(xing)(xing)(xing)(xing)尺寸準確;該機型(xing)(xing)(xing)(xing)在(zai)控制面板上設有(you)(you)擴溶劑型(xing)(xing)(xing)(xing)承(cheng)(cheng)插口（直口）和(he)擴彈性密封圈型(xing)(xing)(xing)(xing)承(cheng)(cheng)插口（R口）的(de)轉換開關，擴管(guan)方(fang)式選擇十分方(fang)便，工藝適應性強;主要的(de)電器控制元件(jian)均(jun)采(cai)用(yong)(yong)進(jin)口元件(jian)，系統性能穩(wen)定(ding)可(ke)靠。