... spring by jig, then the spring goes into the peening machine, and be shot by steel balls with velocity of ... of the spring .the equipment is consist of loading/unloading system, shot peening machine, dust control system, hydraulic unit, pneumatic unit, and ... of conveyor: 280mm Power: 3KWloading and unloading Max. capacity of loading: 100KN Max. capacity of unloading: 100KN Power: 15KW×2Impeller head: 4 ...