Transactions of Materials and Heat Treatment

Title：Research on precision forming process parameters of spiral bevel gear based on numerical simulation

Authors： Feng Wenjie Duan Hongzun Chen Yingying Zhang Weiqing

Unit： Chongqing University of

KeyWords： spiral bevel gear precision forming forming force numerical simulation

ClassificationCode：TG376

year,vol(issue):pagenumber：2014,39(12):147-150

Abstract：

With the help of finite element analysis software Deform-3D, the precision forming process of spiral bevel gears was simulated. Based on the structural feature of spiral bevel gear, the extruding part was designed. The extrusion forming process with a pothole in the middle to divide metal flow was applied, the influences of the preform cone angle, split gap, split position on forming quality and forming force were analyzed. The simulation results show that the forming force is less when the cone angle of perform is 135°-145°.The forming force is effected by the change of the split gap. Considering the cost of material, the split gap is chosen between 8-10 mm, and the split position is away from tooth shape parts of the die. Defining the suitable optimized parameters can reduce the forming force, and improve the forming quality.

Funds：

重庆市科学技术委员会资助项目（cstc2014yykfA60001）；重庆市教委科学技术研究资助项目（KJ1400944）

冯文杰（1964-）男，硕士，教授

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