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1. 发明专利

JP2006289549A Method for fixing cemented carbide tip in cemented carbide tool 有权
标题翻译：用于固定碳化硼工具中的碳化物尖端的方法
公开(公告)号：JP2006289549A
公开(公告)日：2006-10-26
申请号：JP2005113984
申请日：2005-04-11
申请人： Hiroshi Takezaki , 博竹崎
发明人： TAKEZAKI HIROSHI
IPC分类号： B25D17/02 , B28D1/14
摘要： PROBLEM TO BE SOLVED: To provide a method for fixing a cemented carbide tip by which the cemented carbide tip can withstand use under high temperatures regarding the method for fixing the cemented carbide tip in a cemented carbide tool mounting a cemented carbide tip such as a drilling bit and a percussion tool.
SOLUTION: A tip hole with a larger diameter than the outer diameter of the cemented carbide tip is provided on a proper place of a steel base metal. The base of the cemented carbide tip having an inclined outer peripheral face, in which the diameter at the front end part is small and the diameter at the base side is gradually expanded, is fitted into the tip hole. A pressing plate, whose outer diameter is almost equal to the inner diameter of the tip hole and which has a through-hole engaged with the intermediate part of the cemented carbide tip at the central part, is fitted into the tip hole. The outer peripheral part of the pressing plate is welded and fixed to the peripheral edge part of the tip hole in a state that the outer peripheral face of the cemented carbide tip is pressed with the inner peripheral face of the through-hole.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于固定硬质合金刀头的方法，该硬质合金刀头在高温下可以经受住用于将硬质合金刀头固定在硬质合金工具中的方法，该硬质合金工具安装硬质合金刀头，例如作为钻头和打击乐器。
解决方案：直径大于硬质合金刀头外径的尖端孔设置在钢贱金属的适当位置。硬质合金刀头的基部具有倾斜的外周面，前端部的直径小，基部侧的直径逐渐扩大。一个压板，其外径几乎等于尖端孔的内径，并且在中心部分具有与硬质合金尖端的中间部分接合的通孔，并被安装到顶端孔中。在硬质合金刀头的外周面与通孔的内周面按压的状态下，将压板的外周部焊接固定在前端孔的周缘部。版权所有（C）2007，JPO＆INPIT

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