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