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双曲柄七杆机构精冲机参数化建模及运动仿真研究
英文标题:Research on parametric modeling and motion simulation of fine blanking press with doublecrank sevenbar linkage
作者:叶德金1 2 3 汪小凯2 3  刘艳雄2 3 
单位:(1.武汉理工大学 材料科学与工程学院 湖北 武汉 430070 2.武汉理工大学 现代汽车零部件技术湖北省重点实验室 湖北 武汉 430070 3.武汉理工大学 汽车零部件技术湖北省协同创新中心 湖北 武汉 430070) 
关键词:双曲柄七杆机构 精冲机 ADAMS 参数化建模 运动仿真 
分类号:TH112.1
出版年,卷(期):页码:2018,43(5):0-0
摘要:

 运用复数矢量法推导出双曲柄七杆机构精冲机的运动学方程,利用ADAMS提供的参数化功能,将各输入设计参数设置为变量,通过参数化铰点坐标,建立具有运动约束的双曲柄七杆机构精冲机参数化模型,利用ADAMS二次开发技术开发一个双曲柄七杆机构精冲机设计专用模块,将上述建模过程自动化,方便用户对模型进行修改。在参数化模型的基础上仿真分析精冲过程中滑块位移、速度和加速度曲线。结果表明:双曲柄七杆机构精冲机急回特性明显,在工作行程内具有位移平稳、速度和加速度小的特点。这些特点有利于提高精冲机的效率和精度。

 The kinematic equation of fine blanking press with doublecrank sevenbar linkage was derived by the method of complex vector, and each input design parameter was set as a variable by the parameterized functions provided by ADAMS. Then, the parametric model of doublecrank sevenbar linkage fine blanking press with motion constraints was established by parametric hinge coordinates, and the special module of fine blanking press with doublecrank sevenbar linkage was developed based on the secondary development functions of ADAMS, and the above modeling process was conducted automatically to facilitate user to modify model parameters. Based on the parametric model, the displacement, velocity and acceleration curves of slider in the fine blanking process were simulated and analyzed. The results show that the fine blanking press with doublecrank sevenbar linkage has characteristics of quick return, stable displacement, small speed and acceleration in the working stroke, which are beneficial to improve the efficiency and precision of fine blanking press.

基金项目:
教育部创新团队发展计划项目(IRT_17R83)
作者简介:
作者简介:叶德金(1991-),男,硕士研究生 Email:13164676788@163.com 通讯作者:汪小凯(1982-),男,博士,副教授 Email:wxk0919@163.com
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