曲轴圆角滚压的动力学分析
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- 英文论文题名：Dynamic Analysis of Crankshaft Fillet Rolling
- 论文作者：杨武 ; 卿辉斌 ; 曾庆强 ; 康黎云 ; 张小涛 ; 尹秀婷
- 英文论文作者：Yang Wu ; Qing Huibin ; Zeng Qingqiang ; Kang Liyun ; Zhang Xiaotao ; Yin Xiuting ; Changan Automobile Powertrain R&D Institute
- 年：2016
- 作者机构：长安汽车动力研究院;
- 论文关键词：曲轴圆角滚压 ; 非线性 ; 球墨铸铁 ; 残余应力 ; 显式算法
- 英文论文关键词：crankshaft fillet rolling ; nonlinear ; ductile cast iron ; residual stress ; explicit arithmetic
- 会议召开时间：2016-10-26
- 会议录名称：2016中国汽车工程学会年会论文集
- 英文会议录名称：Proceedings of 2016 SAE-China Congress
- 语种：中文
- 分类号：TG306
- 学会代码：QCGC
- 会议名称：2016中国汽车工程学会年会暨展览会
- 会议地点：中国上海
- 主办单位：中国汽车工程学会
- 学会名称：中国汽车工程学会
- 页数：4
- 文件大小：1392k
- 原文格式：O
- 会议级别：全国
摘要
为利用曲轴滚压技术提高曲轴疲劳强度,准确预测曲轴圆角滚压的残余应力及分布是其核心。本文采用非线性有限元方法建立了一种曲轴圆角滚压动力学模型并采用显式算法求解系统动力学方程。该模型实现了主轴颈与曲柄销圆角同步滚压仿真,采用castiron plasticity本构模型描述拉压特性不同的球墨铸铁材料,并使用质量缩放法提高计算效率。对滚压试验中滚压量进行测试,并与仿真结果对比,结果表明曲轴圆角动力学仿真与试验结果相当,从而验证了该模型及求解方法的有效性。
A modelling of crankshaft fillet rolling dynamic is established via nonlinear finite element method and its system dynamic equations is solved by explicit arithmetic,to gain an exact prediction of the residual stress distribution of crankshaft fillets for improving its fatigue strength.The synchronization simulation of journal and pin fillet is presented in this model.Constitutive model for ductile cast iron is cast iron plasticity with different tension and compression characteristics.The cost is reduced by the mass scaling method.Comparing with the displacement of rolling test,it is proved that the result of simulation and test is highly similar and this model and solving method is effective.
A modelling of crankshaft fillet rolling dynamic is established via nonlinear finite element method and its system dynamic equations is solved by explicit arithmetic,to gain an exact prediction of the residual stress distribution of crankshaft fillets for improving its fatigue strength.The synchronization simulation of journal and pin fillet is presented in this model.Constitutive model for ductile cast iron is cast iron plasticity with different tension and compression characteristics.The cost is reduced by the mass scaling method.Comparing with the displacement of rolling test,it is proved that the result of simulation and test is highly similar and this model and solving method is effective.
引文
[1]袁兆成.内燃机设计[M].北京:机械工业出版社,2012.
[2]M C Cevik,H Hochbein,M Rebbert.Potentials of Crankshaft Fillet Rolling Process[C].SAE international,2012,622-632.
[3]W Y Chien,J Pan,D Close,et al.Effects of Roller Geometry on Contact Pressure and Residual Stress in Crankshaft Fillet Rolling[C].SAE International,2005.
[4]K S Choi,J Pan.Simulations of Stress Distributions in Crankshaft Sections Under Fillet Rolling and Bending Fatigue Tests[J].International Journal of Fatigue,2009,31(3):544-557.
[5]刘荣昌.曲轴参数化有限元分析系统与滚压关键参数设计理论研究[D].西安:西安理工大学,2005.
[6]刘世权.曲轴圆角滚压残余压应力及滚压工艺参数的研究[D].武汉:武汉理工大学,2013.
[7]P Spiteri,S Ho,Y L Lee.Assessment of Bending Fatigue Limit for Crankshaft Sections with Inclusion of Residual Stresses[J].International Journal of Fatigue,2007,29(2):318-329.
[8]S Ho,Yung Li Lee,Hong TaeKang,Cheng J Wang.Optimization of a Crankshaft Rolling Process for Durability[J].International Journal of Fatigue,2009,31(5):799-808.
[9]庄茁.连续体和结构的非线性有限元[M].北京:清华大学出版社.2002.
[2]M C Cevik,H Hochbein,M Rebbert.Potentials of Crankshaft Fillet Rolling Process[C].SAE international,2012,622-632.
[3]W Y Chien,J Pan,D Close,et al.Effects of Roller Geometry on Contact Pressure and Residual Stress in Crankshaft Fillet Rolling[C].SAE International,2005.
[4]K S Choi,J Pan.Simulations of Stress Distributions in Crankshaft Sections Under Fillet Rolling and Bending Fatigue Tests[J].International Journal of Fatigue,2009,31(3):544-557.
[5]刘荣昌.曲轴参数化有限元分析系统与滚压关键参数设计理论研究[D].西安:西安理工大学,2005.
[6]刘世权.曲轴圆角滚压残余压应力及滚压工艺参数的研究[D].武汉:武汉理工大学,2013.
[7]P Spiteri,S Ho,Y L Lee.Assessment of Bending Fatigue Limit for Crankshaft Sections with Inclusion of Residual Stresses[J].International Journal of Fatigue,2007,29(2):318-329.
[8]S Ho,Yung Li Lee,Hong TaeKang,Cheng J Wang.Optimization of a Crankshaft Rolling Process for Durability[J].International Journal of Fatigue,2009,31(5):799-808.
[9]庄茁.连续体和结构的非线性有限元[M].北京:清华大学出版社.2002.