Dynamic controlled milling process for bone machining |
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| Authors: | Naohiko Sugita Taiga Nakano Yoshikazu Nakajima Kazuo Fujiwara Nobuhiro Abe Toshifumi Ozaki Masahiko Suzuki Mamoru Mitsuishi |
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| Affiliation: | aDepartment of Engineering Synthesis, School of Engineering, The University of Tokyo, Tokyo, Japan;bGraduate School of Medicine, Density and Pharmaceutical Sciences, Okayama University, Okayama, Japan;cGraduate School of Medicine, Chiba University, Chiba, Japan |
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| Abstract: | Optimal control of the machining process in orthopedic surgery can not only increase productivity but also ensure safety during tool usage. The authors have developed a technology for a force control system. The system has two modes of operation: the “air-cutting mode” and the “force control mode.” In the air-cutting mode, tool feed is scheduled by predicting the air and bone-cutting zones from the CAD/CAM system. In the force control mode, the software monitors the cutting force and the cutting temperature, and it controls the feed override according to the difference between the real and the desired cutting force. The software is installed on a robot controller, and its effectiveness is evaluated with a urethane bone. |
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| Keywords: | Bone-cutting Milling process Force control |
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