| 摘要 |
PROBLEM TO BE SOLVED: To provide a press die for aluminum shape material cutting capable of easily cutting a complicated cross-section shape aluminum shape material and producing a complicated cross-section shape aluminum part uniformly, in high quality and in large quantity. SOLUTION: This press die for aluminum shape material cutting is molded by extrusion, a press die type upper die 2 and a press die type lower die 3 to cut the lengthy aluminum shape material on which a large number of fin parts erected inclined have shape material insertion holes of a roughly similar shape as a cross-section shape of the aluminum shape material and in size free to insert the aluminum shape material and blade parts are provided on peripheral edge parts of these shape material insertion holes. COPYRIGHT: (C)2007,JPO&INPIT
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