Controlled by computer, the step (servo) setting length system reduces the sealing cutting dimensions errors. The computer numerical control can be selected to adjust the length of the bag. Automatic counting, automatic alarming when reaching preset value. The feeding function is precisely controlled without film break off.Feature:1. This plastic roll garbage bag machine as functions as automatic photo electricity t racking, microcomputer length setting, high limit stopping.2. Automaticcounting and alarm when reaching the setting value, high compensation accuracy.3. This winding roll garbagebag machineproduction is neat, little errorMain parameters:Model MYC-500 Bag making width 50-1200mm Bag making length 120-2500mm Bag making speed 30-150pcs/minute Bag making thickness 0.008-0.50mm Total power 4.8kw Power source 220v 50Hz Dimension of the machine 4500(L)×1600(W)×2200(H) Total weight 1000kg