The cutting vibration and surface information in whirlwind milling a large screw

被引:3
|
作者
Guo, Qin [1 ]
Guo, Tiezheng [1 ]
Wang, Yulin [2 ]
机构
[1] Nanjing Inst Technol, Ind Ctr, Hongjing St,1 Hongjing Ave,Jiangning Sci Pk, Nanjing 211167, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
Surface topography; cutting vibration; cutting force; experiments validation; ROUGHNESS ANALYSIS; TIMOSHENKO BEAM; OPTIMIZATION; PREDICTION; SHAFT;
D O I
10.1177/16878132221115507
中图分类号
O414.1 [热力学];
学科分类号
摘要
The whirlwind milling (WM) technology is a competitive machining method, especially for large screws. A rotating large screw subjected to a rotating and moving WM cutting force has complex dynamics and formation. In the study, the WM cutting forces in radial, tangential, and axial directions were firstly acquired using a self-developed testing system. Then, the cutting vibration was modeled in consideration of the WM unique constraint, and the deflections in different directions were analyzed in detail. Lastly, the surface topography and roughness under cutting were geometrically modeled by superimposing the radial deflection on the static forming surface. Compared to single-factor experiments, the results demonstrated the consistency between surface roughness and experimental data. Therefore, the established vibration and surface roughness models are reasonable and effective for predicting, and thus favorable and beneficial for the optimization in whirlwind milling a large screw.
引用
收藏
页数:11
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