发明名称 |
SPADE DRILL INSERT HAVING CURVED CUTTING EDGES |
摘要 |
A spade drill insert and drilling tool assembly is provided wherein the spade drill insert body comprises curved cutting edges and a lip groove having a trough substantially parallel to a plane formed through each adjacent curved cutting edge, which provides a significant improvement in chip formation during cutting operations. |
申请公布号 |
CA2542815(A1) |
申请公布日期 |
2005.05.26 |
申请号 |
CA20042542815 |
申请日期 |
2004.11.04 |
申请人 |
ALLIED MACHINE & ENGINEERING CORP. |
发明人 |
NUZZI, JOSEPH P.;MAST, WENDELL E. |
分类号 |
B23B51/00;B23B |
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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