发明名称 |
Drill assembly and method to reduce drill bit plunge |
摘要 |
A drill assembly and method for reducing plunge of a drill bit upon breaking through a workpiece. The drill assembly contains a motor to advance and retract the drill bit, the motor is controlled by a control unit in a feedback loop to achieve a desired stiffness. The control unit determines when the drill bit breaks through the workpiece and stops or retracts the movement of the drill bit.
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申请公布号 |
US8511945(B2) |
申请公布日期 |
2013.08.20 |
申请号 |
US20090413763 |
申请日期 |
2009.03.30 |
申请人 |
APKARIAN J. G. AGOP;KARAM PAUL;GARDNER DON;QUANSER CONSULTING INC. |
发明人 |
APKARIAN J. G. AGOP;KARAM PAUL;GARDNER DON |
分类号 |
B23B35/00;B23B45/14 |
主分类号 |
B23B35/00 |
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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