发明名称 |
DRILL WITH SPECIALIZED DRILL POINT GEOMETRY |
摘要 |
The present invention relates to a drill having an aggressive drill point geometry. The point geometry allows greater stability and feed rates, while decreasing the heat generated at drill point. The present invention is provided by a drill comprising drill body having at least two helical flutes, a pair of cutting surfaces on an end of the drill body, a web formed between the two cutting edges, and a web thinning notch formed on either side of the web. Each notch forms a notch cutting edge having a positive rake angle. |
申请公布号 |
AU2002364603(A1) |
申请公布日期 |
2003.07.30 |
申请号 |
AU20020364603 |
申请日期 |
2002.12.27 |
申请人 |
ALLIED MACHINE AND ENGINEERING CORP. |
发明人 |
WENDELL, E. MAST;JOSEPH, P. NUZZI |
分类号 |
B23B51/02;(IPC1-7):B23B51/02 |
主分类号 |
B23B51/02 |
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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