发明授权
- 专利标题: Cutting tip, method for making the cutting tip and cutting tool
- 专利标题(中): 切削刀头,切削刀头和切削刀具的制造方法
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申请号: US12280469申请日: 2007-02-23
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公开(公告)号: US08360046B2公开(公告)日: 2013-01-29
- 发明人: Tae-Woong Kim , Joong-Cheul Yun , Young-Choul Song , Sang-Beom Kim , Jung-Nam Park , Suk-Hyun Yoo , Tae-Bong Kim
- 申请人: Tae-Woong Kim , Joong-Cheul Yun , Young-Choul Song , Sang-Beom Kim , Jung-Nam Park , Suk-Hyun Yoo , Tae-Bong Kim
- 申请人地址: KR Kyungki-Do
- 专利权人: EWHA Diamond Industrial Co., Ltd.
- 当前专利权人: EWHA Diamond Industrial Co., Ltd.
- 当前专利权人地址: KR Kyungki-Do
- 代理机构: Renner, Otto, Boisselle & Sklar, LLP
- 优先权: KR10-2006-0018064 20060224; KR10-2007-0018210 20070223
- 国际申请: PCT/KR2007/000943 WO 20070223
- 国际公布: WO2007/097584 WO 20070830
- 主分类号: B24D1/04
- IPC分类号: B24D1/04
摘要:
The present invention relates to a cutting tip for a cutting tool, which is used in cutting or drilling a brittle workpiece such as stone, bricks, concrete, and asphalt and has an excellent cutting speed and a long lifetime, a method of manufacturing the cutting tip, and a cutting tool including the cutting tip. The cutting tip includes an abrasive material and a sintered bonding material, wherein the bonding material is formed of a metal matrix; the metal matrix includes a phase II and/or pore having a certain size at a certain volume fraction; and the phase II is one of a non-metallic inclusion and ceramic. According to an aspect of the present invention, there is provided a cutting tip having excellent cutting speed and a long lifetime at a much lower price.
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