Qhov extruder ib qhov yog ib qhov chaw tsim khoom tshuab siv los tsim cov ntaub ntawv plastic uas muaj qhov ntev zoo li cas los xij, thiab muaj qhov ntxoog zoo ib yam, tab sis feem ntau yog qhov tsis meej. Cov khoom no muaj qhov loj npaum li qhov vinyl window trims txog rau cov profile siv hauv kev lag luam uas muaj ntau lub tsev hauv ib qhov, uas siv ua qhov kheej khaib kub nyob hauv aluminum. Qhov kev lag luam no yog muaj ib qhov extruder muaj ib lub rooj, feem ntau muaj L/D ratio nyob rau sab 24:1 thiab 30:1, uas tau raug xaiv vim nws tuaj yeem pab pov tseg ib qhov kub zoo ib yam. Tab sis qhov khoom tseem ceeb tshaj plaws ntawm qhov extruder yog cov chaw ntxiv mus rau hauv downstream. Kev tsim kho tau muaj qhov tshuab die uas tau tsim tshiab rau qhov polymer melt kom rau muaj duab raws li xav tau, feem ntau yuav tsum xav txog qhov ntaub ntawv hla thiab drawdown. Thim sis tom qab qhov die, qhov profile kub thiab nyuaj nkag mus rau qhov calibration unit, uas yog qhov kawg tshaj tig uas qhov profile tau txiav thiab ntsuas qhov ntev nrog qhov vacuum calibration tanks thiab sizing plates lossis molds. Tom qab calibration, qhov profile yog ncaws mus rau hauv qhov cooling bath kom nws tuag tas. Ib qhov caterpillar haul-off unit thiaj li pab tso qhov zog tshaj tig kom yooj yim kom yuav tuaj yeem yank qhov profile tawm los ntawm qhov die tsis muaj kev poob siab. Lub tshuab line no pib los ntawm flying saw lossis cutter uas yuav sau qhov profile mus rau qhov ntev xav tau. Qhov kev lag luam no yuav tsum muaj kev sib cuag zoo meej meej ntawm qhov extruder output, haul-off speed, thiab cutter. Qhov paub daws tshaj plaws hauv kev tsim profile extrusion yog tsis yog tshuab, tab sis yog qhov kev tsim kho tshaj tig ntawm qhov die thiab calibration tools, thiab qhov kev coj tus cwj pwm zoo meej meej ntawm qhov kub thiab mechanical parameters thaum chaw tsim khoom los nrhiav kom pom ib qhov khoom uas muaj qhov ntev zoo ib yam, siv zoo ib yam, thiab muaj qhov surface quality zoo.