... , bending, punching, shearing, staking, crimping, spot welding & clinching. pneumatic machine for cutting This Hydro-Pneumatic Cylinder represents a novel technology ... noise level.Application:this kind of cylinder can be used on sheet metal joining, punching/piercing, coining/marking/stamping, ... fitting/mounting, bending/edging, clamping/tensioning/peening, and so on. pneumatic machine for cutting