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    • 6. 发明专利
    • Method for manufacturing honeycomb object molding die
    • 制造蜂窝电话对象模具的方法
    • JP2008200821A
    • 2008-09-04
    • JP2007041089
    • 2007-02-21
    • Denso Corp株式会社デンソー
    • SHINYA KIYOBUMIKATSURA ISAOONISHI MAMORU
    • B23H7/22B23H9/00B28B3/26
    • B23P15/243B23H1/04B23H9/00B23H2200/30B28B2003/203B29C47/0028B29C47/12B29L2031/60Y10T29/49995Y10T29/49996Y10T83/0304Y10T83/0581Y10T83/8748
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a honeycomb object, which can inhibit deformation during discharge machining and is excellent in accuracy of groove working. SOLUTION: The method is used for manufacturing a honeycomb object molding die 1 having a supply hole for supplying a material and a polygonal grid-like slit groove 3 communicating with the supply hole for molding the material into a honeycomb shape. The method includes a boring step for forming the supply hole on a hole forming surface 11 of the die and a groove working step for forming the slit groove 3 on a groove forming surface 12 opposite to the hole forming surface 11 of the die. In the groove working step, discharge-machining for carrying out discharging with an electrode having a grid-like shape corresponding to the shape of the slit groove 3 and having a thickness of 0.1 mm or less, while facing the die, and tip removal treatment for cutting the tip, when the electrode is worn to a predetermined quantity during the discharge-machining, to form a new tip discharging surface, are alternately repeated to dig the slit groove 3. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够抑制放电加工过程中的变形并且槽加工精度优异的蜂窝体的制造方法。 解决方案:该方法用于制造具有用于供应材料的供应孔的蜂窝体成型模具1和与用于将材料成型为蜂窝形状的供应孔连通的多边形格子状的狭缝槽3。 该方法包括用于在模具的孔形成表面11上形成供应孔的钻孔步骤和用于在与模具的孔形成表面11相对的槽形成表面12上形成狭缝槽3的槽加工步骤。 在凹槽加工步骤中,在与模具相对的具有对应于狭缝槽3的形状并且厚度为0.1mm以下的栅格形状的电极进行放电的放电加工以及尖端去除处理 为了切割尖端,当在放电加工期间电极被磨损到预定量时,形成新的尖端排出表面,交替重复以挖掘狭缝槽3.版权所有(C)2008,JPO&INPIT