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.
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申请公布号 |
US2005100420(A1) |
申请公布日期 |
2005.05.12 |
申请号 |
US20040780133 |
申请日期 |
2004.02.17 |
申请人 |
ALLIED MACHINE & ENGINEERING CORP. |
发明人 |
MAST WENDELL E.;NUZZI JOSEPH P. |
分类号 |
B23B;B23B51/00;(IPC1-7):B23B51/00 |
主分类号 |
B23B |
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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