Die design and process optimization of plastic gear extrusion

被引：1
|
作者：
Zhang, Lei [1 ]
Fu, Zhihong [1 ]
Yao, Chen [1 ]
Zang, Gongzheng [1 ]
Wan, Yue [1 ]
机构：
[1] Cent South Univ, Coll Mech & Elect Engn, Changsha 410083, Hunan, Peoples R China
来源：
2017 THE 2ND INTERNATIONAL CONFERENCE ON FUNCTIONAL MATERIALS AND METALLURGY (ICFMM 2017) | 2018年 / 303卷
关键词：
D O I：
10.1088/1757-899X/303/1/012020
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The flow velocity of the melt in the extruder was simulated by using software Polyflow, and the size of the die channel with the best flow uniformity was obtained. The die profile shape is obtained by reverse design. The length of the shaping section is determined by Ansys transient thermal analysis. According to the simulation results, the design and manufacture of extrusion die of plastic gear and vacuum cooling setting were obtained. The influence of the five process parameters on the precision of the plastic gear were studied by the single factor analysis method, such as the die temperature T, the screw speed R, the die spacing S, the vacuum degree M and the hauling speed V. The optimal combination of process parameters was obtained by using the neural network particle swarm optimization algorithm(T = 197.05 degrees C, R = 9.04rpm, S = 67mm, M = -0.0194MPa). The tooth profile deviation of the extruded plastic gear can reach 9 level of accuracy.
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页数：7
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