The compact version of the plant is essentially composed of a 2 - stage plane - tary extruder , 3 - roll calender , embossing unit , take - off and cooling unit , automatic unwinder for the substrate , pull unit , thickness gauge and control system and automatic winder 該生產(chǎn)線的緊湊型主要由一個2段行星螺桿擠出機、三輥壓延機、壓花機構、接取和冷卻機構、基材自動退卷機、牽引機構、厚度測量計和控制系統(tǒng)及自動卷取機組成。