SHOT-PEENING PROCESSING DEVICE AND SHOT-PEENING PROCESSING METHOD

摘要

PROBLEM TO BE SOLVED: To perform shot-peening processing for plural heat transfer pipes with good efficiency.;SOLUTION: This shot-peening processing device comprises: plural shot nozzles 70 which are inserted from respective one ends of heat transfer pipes 63 which become plural processing objects among plural heat transfer pipes 63 which are so arranged as to be juxtaposed at predetermined intervals, and which perform shot-peening processing for an inner surface of the heat transfer pipe 63 which becomes each processing object; plural vacuum pipes 71 which are provided at respective other ends of the heat transfer pipes 63 which become the processing objects and recover shot grains; and other vacuum pipes 71 which are connected to other ends of plural heat transfer pipes 63 adjacent to the heat transfer pipes 63 which become the processing objects.;SELECTED DRAWING: Figure 8;COPYRIGHT: (C)2018,JPO&INPIT