... door, window profile, window sill, multi-holes cable pipe (four-hole, six-hole,seven-hole, nine-hole and etc.) extrusion ... (conical) twin screw extruder, and corresponding vacuum calibration table, haul-off unit, cutting unit, stacker, etc.Capacity of main extruder can ... is designed to meet the high extrusion speed requirement.The haul-off speed and cutting speed are synchronous.All movements are ...