期刊
JOURNAL OF MANUFACTURING PROCESSES
卷 81, 期 -, 页码 141-154出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jmapro.2022.06.068
关键词
Milling; Cortical bone; Temperature; Cutting forces; Response surface method; Finite element analysis
This study used numerical simulation to measure and control cutting force and temperature in bone milling process, improving the effectiveness of orthopedic surgeries.
Controlling of the cutting force and temperature in removal bone process in orthopedic surgeries (such as: cutting, tuning, milling ...) can avoid thermal necrosis and cell death, wear and breakage of the tool. Increasing implication of milling process in orthopedic operations, measuring and controlling of process cutting force and temperature can be effective for developing orthopedic and fast cure of the patient. Considering lack of bone milling experiments data-in this paper-numerical simulation of bone milling process have used for acquiring process cutting force and temperature and comparison with already reported experimental data. Based on orientation of osteon and bone fibers, mechanical properties of bone are different in two directions. Thus, nu-merical analysis was performed in two perpendicular directions. Furthermore, response surface method was used for mathematical modeling of the process and deriving second order regression equations for process force and temperature, each as a function of cutting speed and feed rate. Results revealed good agreement between nu-merical and experimental results, as errors were below 4 % and 8 % for prediction of temperature and cutting force respectively. Findings of the present study can improve control and optimization of the cutting force and temperature of bone milling process in orthopedic surgeries.
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