1. The tolerance between cutter hub and die plate is compensated automatically due to the universal ball joint. 2.Cutter hub with scale is manually regulated by a hand-wheel . 3.The heating bars are distributed in matrix with special thermic insulant. 4.Plc controller is operated by manual or automatically. Plc program can be modified and memorized. 5.The data about melt temperature & pressure, cutting speed and delay time etc. Are shown on touch-screen control panel.