Designed For Efficiency AMADA SPH has a C-type main frame for its superior rigidity. Its open back structure allows processing of long and irregular shaped work pieces. The centrally located emergency stop button and the dual operation buttons are designed especially for safe yet convenient operation. Hydraulic Servo Ram Mechanism The SPH utilizes a rugged yet precise hydraulic system. The internal positive stop cylinder excels at both precision bending work and high tonnage punching.