full-Automatic High-speed Vacuum Plastic FEATURES Draw plate selection: air driving or motor driving AL Alloy chain guide ,less friction and smooth for driving Fast and simple parameter adjusting, dial handle wheel for wide adjusting ,stainless mold edge; Combination mold design, easy changing middle brake and low brake design lHeatng oven:single or up and moving design. FUNCTION Twice vacuum(high and low vacuum); Delayed vacuum; Vacuum connection; Second up die and multi-times low die vibration drop off, Multiple time reverse die blow off; Electric adjusting up die stroke.