Smooth particle hydrodynamics modeling of cutting force in milling process of TC4

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Smooth particle hydrodynamics modeling of cutting force in milling process of TC4

Xiao-Guang Guo , Ming Li , Zhi-Gang Dong , Rui-Feng Zhai , Zhu-Ji Jin , Ren-Ke Kang

Advances in Manufacturing ›› 2019, Vol. 7 ›› Issue (4) : 364 -373.

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Advances in Manufacturing ›› 2019, Vol. 7 ›› Issue (4) : 364 -373. DOI: 10.1007/s40436-019-00276-z

Article

Smooth particle hydrodynamics modeling of cutting force in milling process of TC4

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¹ Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, 116024, Dalian, Liaoning, People’s Republic of China

^b lmzdg@mail.dlut.edu.cn

^c dongzg@dlut.edu.cn

Xiao-Guang Guo is an associate professor at the school of Mechanical Engineering, Dalian University of Technology, Dalian, China. Her research interests are ultra-precision machining theory and technology, molecular dynamics simulation and SPH simulation.

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Ming Li is currently a Graduate Student with the School of Mechanical Engineering, Dalian University of Technology. And his research interests include technology of ultra-precision machining and smoothed particle hydrodynamics simulation.

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Zhi-Gang Dong received the Ph.D. degree in Engineering from the Dalian University of Technology, Dalian, China, in 2010.He is currently with the Dalian University of Technology, Dalian, China. His research interests include efficient processing technology and equipment for difficult-to-machine materials and precision / ultra-precision machining technology and equipment.

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Rui-Feng Zhai is currently a Graduate Student with the School of Mechanical Engineering, Dalian University of Technology. His major interests include mechanical manufacturing and its automation. And his research interests include precision/ultra-precision machining technology.

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Zhu-Ji Jin is the professor and doctoral supervisor of the key laboratory of precision and special processing, ministry of education, Dalian University of Technology. His research interests are precision and ultra-precision machining technology, high-efficiency machining technology for difficult materials.

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Ren-Ke Kang is the professor and doctoral supervisor of the school of mechanical engineering, Dalian University of Technology. His research interests are ultra-precision machining process and ultra-precision equipment.

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Abstract

Milling is one of the main methods for processing titanium alloy. At present, the complex process of milling is usually simulated by finite element method, which often has problems in mesh distortion and mesh reconstruction. Therefore, a meshless three-dimensional milling simulation model was established for TC4 titanium alloy using the smooth particle hydrodynamics (SPH) method. Firstly, the established SPH model was analyzed by the LS-DYNA software, and the stress distribution, temperature field, and cutting force during milling were studied under specific conditions. Subsequently, the cutting force was simulated under different cutting parameters and the effects of these parameters on the cutting force were determined. Finally, based on a series of cutting force experiments, the accuracy of the simulation model was verified. This study proves the feasibility of SPH method in the simulation of titanium alloy milling process and provides novel methods for investigating the processing mechanism and optimizing the processing technology of titanium alloys.

Keywords

TC4 titanium / Smooth particle hydrodynamics (SPH) / Milling / Cutting temperature / Cutting force

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Xiao-Guang Guo, Ming Li, Zhi-Gang Dong, Rui-Feng Zhai, Zhu-Ji Jin, Ren-Ke Kang. Smooth particle hydrodynamics modeling of cutting force in milling process of TC4. Advances in Manufacturing, 2019, 7(4): 364-373 DOI:10.1007/s40436-019-00276-z

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Funding

Science Challenge Project(NO. TZ2018006-0101-01)

Science Fund for Creative Research Groups http://dx.doi.org/10.13039/501100003999(NO. 51621064)

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