The implementation of optimum MRR on digital PC-based lathe system |
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| Authors: | Tian-Syung Lan Kuei-Shu Hsu |
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| Affiliation: | (1) Department of Mechanical Engineering, De Lin Institute of Technology, Tuchen, Taiwan, 236, Republic of China;(2) Department of Mechanical and Automation Engineering, Kao Yuan University, Lu-Chu Hsiang, Kaohsiung 821, Taiwan, Republic of China |
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| Abstract: | Optimizing the profit of an individual cutting tool is crucial to the computer numerically controlled (CNC) machining industry. In this paper, the mathematical modeling, the dynamic solution, and the decision criteria through calculus
of variations are introduced to achieve the optimal material removal rate (MRR) control of a cutting tool under the fixed tool life. To realize the optimum MRR, a commercialized lathe system with a digital processor controller (DSP) and a man-machine interface is developed. Additionally, the implementation of dynamic MRR control for a real-world industrial case is experimentally performed on our proposed digital PC-based lathe system. It is
found that the surface roughness (R
a
) of all machined work-pieces not only stabilizes as the tool consumed, but also accomplishes the recognized standard for
finish turning. In this study, the adaptability of the dynamic control of optimum MRR as well as the realization of the digital PC-based lathe system are absolutely guaranteed. |
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| Keywords: | Digital lathe control Man-machine interface Material removal rate Surface roughness |
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