... , assembly, coining, marking, degating, bending, punching, shearing, staking, crimping, spot welding & clinching. pneumatic machine for cutting This Hydro ... a hydraulic cylinder. The changeover from fast to power stroke takes place automatically whenever the working ... used on sheet metal joining, punching/piercing, coining/marking/stamping, pressing/compressing/straightening, riveting/crimping/flaring, ...