Intelligent control of precision thread grinding |
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Authors: | Zhiliang Xu Xiuwen Gui Shuzi Yang |
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Affiliation: | (1) Huazhong University of Science and Technology, Wuhan, Hubei, China |
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Abstract: | This paper presents an intelligent control method for obtaining a leadscrew of higher lead accuracy in thread grinding. Leadscrews are important for machine tools or length measuring machines. With the development of CNC machine tools, leadscrews are required to have high-level precision. This paper describes an improved control method for closed-loop compensation in the thread grinding and analyses of instantaneous drive chain errors. To reduce such errors, a newly designed intelligent control system is constructed. As a result, a leadscrew with high pitch accuracy can be obtained. |
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Keywords: | Leadscrew thread error Thread error measurement and compensation Thread grinding |
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