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Friction stir processing for backing member, friction stir processing method and friction stir processing equipment
Friction stir processing for backing member, friction stir processing method and friction stir processing equipment
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机译:支撑部件的摩擦搅拌处理,摩擦搅拌处理方法及摩擦搅拌处理设备
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摘要
PROBLEM TO BE SOLVED: To provide a backing member for friction agitation processing which is hardly damaged when a cylindrical workpiece is friction-agitation-processed.;SOLUTION: A backing member 6 is so applied to an inner wall surface of a cylindrical workpiece W as to receive pressing force of a tool 31 when friction agitation process is performed by pressing the rotating tool 31 from an outer wall surface side of the cylindrical workpiece W along a join line L where ends e1 and e2 of the cylindrical workpiece W, formed by bending a flat plate material into a cylindrical shape, are abutted to each other. In the backing member 6, a flat part 61 extending along the join line L is formed in an arc-shaped upper surface 60 in contact with the inner wall surface of the cylindrical workpiece W.;COPYRIGHT: (C)2014,JPO&INPIT
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