riveting, assembly, coining, marking, degating, bending, punching, shearing, staking, crimping, spot welding & clinching. pneumatic machine for cutting This Hydro-Pneumatic Cylinder represents ... units.The controls are very simple, the same as for any double acting pneumatic cylinder.The operating stroke is ... bending/edging, clamping/tensioning/peening, and so on. pneumatic machine for cutting