... coining, marking, degating, bending, punching, shearing, staking, crimping, spot welding & clinching. pneumatic machine for cutting This ... very simple, the same as for any double acting pneumatic cylinder.The ... marking/stamping, pressing/compressing/straightening, riveting/crimping/flaring, assembling/press-fitting/mounting, bending/edging, clamping/tensioning/peening, and so on. pneumatic machine for ...