发明名称 |
CUTTING INSERT FOR DRILL |
摘要 |
<p>A cutting insert for a during includes a broken main cutting edge, the ends of which join respective additional edges of the insert by curved nose portions. Each curved nose portion forms a curved cutting edge defined by at least three sequentially arranged curved cutting edge segments defined by respective radii of different sizes. A first of the segments joins one end of the main cutting edge and has a first radius. The next segment has a radius of different length than the first radius and projects farther laterally than the first segment to perform a wiping function.</p> |
申请公布号 |
EP1121216(A1) |
申请公布日期 |
2001.08.08 |
申请号 |
EP19990970346 |
申请日期 |
1999.10.05 |
申请人 |
SANDVIK AKTIEBOLAG |
发明人 |
WIMAN, JOERGEN;SJOELANDER, AKE |
分类号 |
B23B51/00;B23B27/14;B23B51/04;(IPC1-7):B23B51/04 |
主分类号 |
B23B51/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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