| 汽车轮毂轴承套圈冷挤压数值模拟分析研究 |
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| 引用本文： | 徐生.汽车轮毂轴承套圈冷挤压数值模拟分析研究[J].机械工程师,2011(5):71-74. |
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| 作者姓名： | 徐生 |
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| 作者单位： | 浙江工商职业技术学院,浙江,宁波,315012 |
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| 摘 要： | 对某型号汽车轮毂轴承内圈冷挤压模具进行三维建模,利用Deform软件,设定挤压条件后,对内圈挤压成形过程进行了数值模拟。分析了挤压过程中金属的流动与速度分布,挤压速度和摩擦因子对模具载荷的影响,并对凹模的应力进行了分析,指出应力集中导致模具容易损伤的部位。通过数值模拟分析,提出了减小摩擦因子,提高表面质量的方法,减小应力集中和载荷过大造成的模具损伤,通过优化工艺参数提高挤压成形质量。
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| 关 键 词： | 汽车轮毂轴承 冷挤压 Deform 数值模拟 模具 |
The Numerical Simulation about Cold Extrusion of Automotive Wheel Hub Bearing Rings |
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| XU Sheng.The Numerical Simulation about Cold Extrusion of Automotive Wheel Hub Bearing Rings[J].Mechanical Engineer,2011(5):71-74. |
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| Authors: | XU Sheng |
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| Affiliation: | XU Sheng(Zhejiang Business Technology Institute,Ningbo 315012,China) |
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| Abstract: | Based on building the 3-D model on the automotive wheel hub bearing and its mould,the process of cold ext rusion is simulated by the FEM soft Dform.Flow and velocity of metal material,the effect of extruding velocity and friction,and the forging stress are analysed,the part of the stress concentratoin is obtained.According to the simulation result,the method of improving surface precision and optimizing technics is presented to improve forging quality. |
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| Keywords: | automotive wheel hub bearing cold extrusion Deform numerical simulation die |
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