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题名: Improved method to predict cutting force in end milling considering cutting process dynamics
作者: Qu S(曲胜) ; Zhao JB(赵吉宾) ; Wang TR(王天然) ; Tian FJ(田凤杰)
作者部门: 装备制造技术研究室
关键词: Milling ; Cutting force prediction ; Chip thickness ; Dynamics
刊名: International Journal of Advanced Manufacturing Technology
ISSN号: 0268-3768
出版日期: 2015
卷号: 78, 期号:9-12, 页码:1501-1510
收录类别: SCI ; EI
产权排序: 1
项目资助者: National Basic Research Program of China [2011CB302400] ; National Natural Science Foundation of China [51175495]
摘要: Accurate cutting force prediction in end milling plays an important role in studying the characteristics of milling to improve the machining quality and optimize the machining processes. To this end, a new method that improves cutting force prediction accuracy by considering cutting process dynamics and simplifies the process of computing the dynamic chip thickness is presented in this paper. The static chip thickness is calculated and the cutting process dynamics is taken into account in this method. To ensure the result accuracy and improve computing efficiency, Taylor’s series is adopted to acquire static chip thickness. Meanwhile, as feedback, the dynamic chip thickness caused by the cutter-workpiece system subjected to the cutting force is superposed on static chip thickness to get more accurate cutting force. Finally, the proposed method by dint of closed-loop system to acquire more accurate cutting force is experimentally validated in milling of plastic die steel NAK80 with a four fluted flat-end milling cutter. Cutting force coefficients and modal parameters are identified based on the experiment. Both the simulations with and without considering dynamics show good agreement with the experimental result while considering dynamics leads to closer agreement.
语种: 英语
WOS记录号: WOS:000354629200012
WOS标题词: Science & Technology ; Technology
类目[WOS]: Automation & Control Systems ; Engineering, Manufacturing
关键词[WOS]: CHIP THICKNESS ; MODEL
研究领域[WOS]: Automation & Control Systems ; Engineering
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/16166
Appears in Collections:装备制造技术研究室_期刊论文

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