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    • 10. 发明授权
    • Method of producing press-forming punch and die
    • 生产冲压成形冲模的方法
    • US06484609B2
    • 2002-11-26
    • US09782846
    • 2001-02-14
    • Teiji WatanabeMasafumi NakamuraYoshikazu Nakamura
    • Teiji WatanabeMasafumi NakamuraYoshikazu Nakamura
    • B21K520
    • B21D37/20B23P15/24
    • An economical method of producing a press-forming die is disclosed wherein a master die and a master punch are relatively reciprocated with a full stroke and a shorter stroke to produce a press-formed panel and a half-pressed panel. After an elastic material is applied to one surface of the half-pressed panel, the press-formed panel is fitted over the master punch, and the half-pressed panel is forced against the press-formed panel with the elastic material facing away from the press-formed panel, whereby the half-pressed panel is shaped into a die panel complementary in contour to the shape of the press-formed panel. A back-up material such as high-strength cement is then applied to the rear surface of the die panel whereby a press-forming die is produced.
    • 公开了一种生产压制成形模的经济方法,其中主模和主冲头在全行程和较短行程上相对往复运动以产生压制成形板和半压板。 在将弹性材料施加到半压板的一个表面上之后,将压制成形的面板安装在主冲头上,并将半压板压在压制成形板上,使弹性材料背向 压制成形板,由此将半压板成型为与压制成形板的形状在轮廓上互补的模板。 然后将诸如高强度水泥的支撑材料施加到模板的后表面,由此制造压制成型模具。