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Locomotive Wheelset Fitting Process Simulation and Experimental Study

Author: ZhangLiQiang
Tutor: ZhaoYiXiï¼›WeiChunYang
School: Shanghai Jiaotong University
Course: Mechanical Engineering
Keywords: wheelset fitting process Finite element analysis Orthogonal test Press mounting curve
CLC: U260.6
Type: Master's thesis
Year: 2010
Downloads: 156
Quote: 0
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Abstract


As an important part of the locomotives, the manufacture quality of the wheelset, particularly wheel and shaft assembling quality directly influence safety of locomotive . Now the two main fitting processes in China are hot jacket and oil injection press mounting. A new heavy locomotive-- HXN5 exchange transmission freight transportation diesel locomotive is designed by CSR Qishuyan Locomotive Co., Ltd. and GE for the Chinese Mainline railroad , A fitting press method is required. But there are little experience in fitting process in CSR Qishuyan Locomotive Co., Ltd..In this research, the locomotive wheelset fitting process is simulated used ABAQUS software, some key parameters are studied via Orthogonal experiments method. The research will provide more valuable information in wheelset fitting process.Firstly, the paper analyzed the structures and features of the wheelsets.Secondly, then a finite element modeling was established, The characters of stress distribution along the contact surface in the total fitting prccess and the oil groove positions were analyzed. The influence of the friction coefficient and small or large interferences was studied, the fitting process controlling points were proposed.Finally, based on the actual press mounting data, the key parameters were selected. A DOE mothod was used to determined the reasonable parameter range. The above results are applied in the real fitting process and a good qualified rate above 98% is achieved.

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CLC: > Transportation > Rail transport > Locomotive works > General issues > Locomotive manufacturing process
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