Unique regenerative chatter in wiper-turning operation with burnishing process Part 1: Prediction and analytical investigation of generation mechanism,critical stability,and characteristics |
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| Affiliation: | 1. The Key Lab of Automobile Materials, The Ministry of Education, Jilin University, Changchun 130025, China;2. School of Material Science and Technology, Jilin University, Changchun 130025, PR China;3. Security Department of 9588 Troops, No. 1827 Yingbin Road, Changchun 130062, China;4. School of Materials Science and Engineering, Liaoning Technical University, Fuxin 123000, China;1. School of Mechanical Engineering, Shandong University of Technology, Zibo, 255000, China;2. School of Mechanical Engineering, Dalian University of Technology, Dalian, 116023, China |
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| Abstract: | The purpose of this paper is to understand the generation mechanism and to propose an analytical model of a unique regenerative chatter with the burnishing process in wiper-turning operations. The authors have found a unique chatter when using wiper inserts, which cannot be explained by the existing chatter theory found in the literature. The authors believe that this occurs because of the burnishing process of the wiper insert, which is the only difference from ordinary turning. At first, the burnishing process, which accompanies wiper inserts, is explained, and the turning operation with this process and the well-known regenerative effect in the cutting process is discussed. Then, the stability of the turning process with the regenerative effects in the cutting and burnishing processes are investigated, and an analytical model is proposed to evaluate the critical stability. Finally, the stability analysis of this unique chatter is conducted, and its generation mechanism and characteristics are examined clearly. |
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| Keywords: | Wiper insert Burnishing process Cutting process Regenerative chatter |
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