Transactions of Materials and Heat Treatment

Title：Modal analysis on spline shaft of cold-striking machine based on ANSYS Workbench

Authors： Tian Shiquan Du Shiwen Li Yongtang Niu Ting

Unit： Taiyuan University of Science and Technology

KeyWords： ANSYS Workbench spline shaft spline cold-striking machine modal analysis natural frequency vibration modes

ClassificationCode：TH131.4

year,vol(issue):pagenumber：2017,42(11):109-114

Abstract：

The spline shaft is an important part of the micro feeding system for cold-striking machine, which connected the indexing mechanism to the rolling mechanism. For the spline shaft of the spline cold-striking machine, its model was built by software SolidWorks, and the modal analysis was carried out by ANSYS Workbench. Then, the natural frequency of the first five orders and the corresponding vibration modes were extracted, and the amplitude of the spline shafts was larger which was found by analyzing the vibration patterns. Therefore, a device of reducing the vibration of the spline shafts was designed. The constraint applied to the different positions of the spline shaft was simulated, and the variation law of natural frequency was obtained,which meant that adopting the floating constraint device can compensate and control the vibralion of spline shaft, improve the rigidity of the spline shaft and the stability of the equipment operation, and improve the production efficiency and the mechanical performance of the spline greatly.

Funds：

国家自然科学基金资助项目（51475316）

作者简介：田世权（1990-），男，硕士研究生 E-mail：1548782091@qq.com 通讯作者：杜诗文（1975-），女，博士，副教授 E-mail：tykddsw@126.com

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