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1. 发明申请

US20120073350A1 BOSSED DISC-LIKE MEMBER MANUFACTURING METHOD AND BOSSED DISC-LIKE MEMBER MANUFACTURING APPARATUS 有权
标题翻译： BOSSED DISC-LIKE会员制造方法和BOSSED DISC-LIKE会员制造设备
公开(公告)号：US20120073350A1
公开(公告)日：2012-03-29
申请号：US13210876
申请日：2011-08-16
申请人： Daisuke IWATA , Masanori SATO , Masayuki MAKI , Yohei MUKAIDA
发明人： Daisuke IWATA , Masanori SATO , Masayuki MAKI , Yohei MUKAIDA
IPC分类号： B21D22/21
CPC分类号： B21D22/21 , B21C23/186 , B21D22/24 , B21K23/00
摘要： A bossed disc-like member manufacturing method and apparatus with which it is possible to simply form a boss portion with a desired height. The method includes a level difference formation step that moves a second portion, which is positioned on the inner peripheral side of a first portion in a radial direction of a disc-like blank, relative to the first portion in a first direction which is the thickness direction of the blank, thus forming a level difference between the first portion and the second portion. A conical portion formation step moves the second portion relative to the first portion in a second direction opposite to the first direction, eliminating the level difference. In this manner, a conical portion is formed in the second direction on the inner side of the second portion; and a burring step performs a burring process on the conical portion, thus forming the boss portion.
摘要翻译：一种凸起的盘状构件制造方法和装置，其可以简单地形成具有期望高度的凸台部分。该方法包括：水平差形成步骤，该第二部分位于圆盘状坯料的径向方向上的第一部分的内周侧上，相对于第一部分，第一部分沿第一方向移动，该第一部分是厚度从而形成第一部分和第二部分之间的高度差。圆锥形部分形成步骤在与第一方向相反的第二方向上相对于第一部分移动第二部分，消除了水平差。以这种方式，在第二部分的内侧上沿第二方向形成锥形部分; 并且翻边步骤对锥形部进行翻边处理，从而形成凸起部。

2. 发明申请

US20120240405A1 MANUFACTURING METHOD FOR TOOTHED PART AND MANUFACTURING DEVICE FOR TOOTHED PART 有权
标题翻译：用于牙齿部件的制造方法和制造部件的制造装置
公开(公告)号：US20120240405A1
公开(公告)日：2012-09-27
申请号：US13365661
申请日：2012-02-03
申请人： Daisuke IWATA , Tomoyuki HORI , Naoki YOKOYAMA , Hiroshi SHIBATA , Masayuki MAKI
发明人： Daisuke IWATA , Tomoyuki HORI , Naoki YOKOYAMA , Hiroshi SHIBATA , Masayuki MAKI
IPC分类号： B21K1/30 , B21J13/02
CPC分类号： B21D53/28 , B21K1/30 , B23P15/14 , Y10T29/49462 , Y10T29/49472 , Y10T29/49474
摘要： A manufacturing method for a toothed part including a bottom surface portion and a side wall portion provided to extend upright from an outer peripheral end portion of the bottom surface portion, the side wall portion being fanned with teeth. The manufacturing method includes a half drawing process of performing draw shaping on a material having a disk shape to form the bottom surface portion and the side wall portion, an inside diameter of which becomes larger in a direction away from the bottom surface portion; and a tooth shaping process of forming the teeth in the side wall portion.
摘要翻译：一种齿部的制造方法，其特征在于，具有从所述底面部的外周端部竖立设置的底面部和侧壁部，所述侧壁部由齿扇动。该制造方法包括在具有盘形状的材料上进行拉伸成形以形成底面部分和侧壁部分的半拉伸工艺，其内径在远离底面部分的方向上变大; 以及在侧壁部分中形成齿的齿成形工艺。

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