... die, 4.Torsion bar, 5. Hydraulic system6. Back gauge, 7. Upright, 8. Electrical cabinet, 9.Beam, 10. Cylinder, 11.Control panel6. Design ... , the piston is hardened and shows a superfine finishing.The electrical control system is a switch cabinet on the right side ... frame. Main of the electrical components are SIMENS and Telemecanique, which have overloading protection in ...