| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus and method for manufacturing a mixer drum rear edge part and appropriate jig for this manufacturing method, capable of reducing work burden of a worker and manufacturing time, and manufacturing uniform mixer drum rear edge part. SOLUTION: In this manufacturing method for the mixer drum rear edge part, there are provided: a seal manufacturing process for manufacturing a seal S by welding a seal pipe 1 with respective extension seals 2, 3, a blade welding process for integrating by welding the respective blades 4, 5 with the seal S, a press-in process for pressing the integrated seal S and the respective blades 4, 5 in a rear shell 10, and a rear shell welding process for welding the integrated seal S and the respective blades 4, 5 with the rear shell 10. COPYRIGHT: (C)2007,JPO&INPIT
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