Most popular c type press machine for sheet metal parts stamping, punching, cutting, bending, trimming and blanking process. Press tonnages are from 25 ton to 400 ton, JH 21 c frame press is standard equip with PLC, touch screen HMI, wet type pneumatic clutch and brake, safety solenoid valve, hydraulic overload pump, automatic grease lubricant pump and slide balance cvlinders. Safety light barriers, frequency inverter for adjustable stroke speeds, piston type die cushion, die quick change clamps, tonnage monitor, safety die block are all optional. This single crank press can work with coi sheet roller feeder to act as an automatic press. Several automatic presses with transfer system such as manipulators can work as full automatic press line.