1. The machine employs hydraulicall-driven swing beam, the steel plate welded structure, and accumlator -based pullback cylinder with steady and reliable operation.

2.Stepless control for the stroke; the gap between up blade and down blade is manually adjusted by handle for high uniformity; protection fence and the electric interlock to ensure the operation safety.

3.The closed loop control system that consists of CNC system and position coder features fast response speed, high precision, and exceptional stability and can ensure the accuracy of displacement of backguage. Moreover, CNC system has the accessory functions of compensation and automatic check.