riveting, assembly, coining, marking, degating, bending, punching, shearing, staking, crimping, spot welding & clinching. pneumatic machine for cutting This Hydro-Pneumatic ... be used on sheet metal joining, punching/piercing, coining/marking/stamping, pressing/compressing/straightening, riveting/crimping/flaring, assembling/ ... , clamping/tensioning/peening, and so on. pneumatic machine for cutting