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    • 8. 发明授权
    • Corrugated fin manufacturing apparatus
    • 瓦楞制造装置
    • US08973420B2
    • 2015-03-10
    • US13030482
    • 2011-02-18
    • Toshiyuki NanaarashiKeiichi Morishita
    • Toshiyuki NanaarashiKeiichi Morishita
    • B21D13/02B21D13/06B21D53/02
    • B21D13/06B21D53/02
    • A corrugate fin manufacturing apparatus includes: a die; a machining punch inserted into a concave in the die to form a rib, wherein on entering the concave, the machining punch does not contact a part of a plate-like body that has not been machined into ribs or does not cause resistance to drawing in of the unmachined part during formation of a rib even when there is contact; a mounting portion provided on the die; and a flat punch provided upstream of the machining punch, wherein when a rib is being formed, the flat punch is positioned to not contact the unmachined part or shaped to not cause resistance to drawing in of the machined part even when there is contact, and wherein after formation of a rib, the flat punch presses down the unmachined part and flattens the unmachined part in combination with the mounting portion.
    • 波纹片制造装置包括:模具; 插入到模具中的凹部中以形成肋的加工冲头,其中在进入凹部时,加工冲头不接触未被加工成肋条的板状体的一部分或不会引起拉伸阻力 即使在有接触的情况下形成肋条时的未加工零件; 设置在所述模具上的安装部; 以及设置在加工冲头上游的平头冲头,其中当形成肋时,平冲头被定位成不接触未加工部件或成形为即使在接触时也不引起加工部件的拉入阻力, 其中,在形成肋之后,平坦的冲头将未加工部件压下并使未加工部件与安装部分结合使其平坦化。