ANALYTICAL STUDY ON THE CUTTING FORCE AND RESIDUAL STRESS IN WHIRLWIND MILLING OF A LARGE SCREW

被引:1
|
作者
Guo, Qin [1 ]
Wang, Yulin [2 ]
Zhou, Bin [2 ]
机构
[1] Nanjing Inst Technol, Ind Ctr, Nanjing, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing, Jiangsu, Peoples R China
来源
关键词
whirlwind milling (WM); cutting force; residual stress; finite element method (FEM); MACHINED SURFACE-LAYER; ANALYTICAL-MODEL; TEMPERATURE; PREDICTION; FIELD; FEM;
D O I
10.15632/jtam-pl/157479
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
The finite element method (FEM) is developed to simulate a discontinuous cutting in the whirlwind milling. Firstly, a simplified arc-cutting model for simulating the actual circular cutting, and a plane-cutting model for simplification were both developed and verified by experiments. Then, the effects of cutting parameters on the cutting force and residual stress were effectively investigated based on the plane-cutting model. Moreover, a plane -second--cuttingmodel was further developed. It showed that a minor decrease of cutting force and a higher maximum compressive stress were generated in the second cutting. Those results were conducive to predict and improve the whirlwind milling.
引用
收藏
页码:65 / 76
页数:12
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