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公开(公告)号:US20110042146A1
公开(公告)日:2011-02-24
申请号:US12919803
申请日:2009-05-11
摘要: This invention relates to a percussion drill bit head for a percussion drilling apparatus, the drill bit head comprising a working surface and a plurality of super-hard buttons protruding from the working surface, the working surface having a hard area that is free of buttons and has Rockwell C hardness of at least 60 HRc. The invention further relates to a method of manufacturing a percussion drill bit head comprising a working surface and a plurality of buttons and a percussion drill bit assembly comprising a drill bit head according to the invention.
摘要翻译: 本发明涉及一种用于冲击钻孔装置的冲击钻头头,钻头头包括工作表面和从工作表面突出的多个超硬扣件,工作表面具有没有按钮的硬区域, 洛氏C硬度至少为60HRC。 本发明还涉及一种制造冲击钻头头的方法,其包括工作表面和多个按钮以及包括根据本发明的钻头头的冲击钻头组件。