锻压技术

考虑耗散接触特征的高速精密冲床动态特性

英文标题：Dynamic characteristics on high-speed precision press considering dissipative contact characteristics

作者：刘艳1 王禹2 陈宇2

分类号：TH122

出版年,卷(期):页码：2023,48(12):196-205

摘要：

基于多体动力学理论、非线性接触理论和库伦摩擦理论，提出一种含间隙高速精密冲床传动动态特性分析方法。该方法将多体系统动力学方程与耗散接触特征模型相结合，并考虑碰撞体间的粘滞摩擦作用，建立了含间隙非线性多体系统动力学模型。在重力场中以高速精密冲床传动系统接触碰撞过程为研究对象进行数值计算，并对比试验结果，验证了模型的有效性，得到了间隙耗散接触特征与高速精密冲床动力学特性的映射关系。研究表明，含间隙非线性多体动力学模型能够有效描述含间隙传动机构的动态特性，为高速精密冲床动态特性研究提供了一种有效的方法，有利于机构的性能评价、结构设计优化等工程实际应用。

Based on the multi-body dynamics theory, nonlinear contact theory and Coulomb friction theory, a method for analyzing the dynamic characteristics of for transmission for high-speed precision press with clearance was proposed, which combined the multi-body system dynamic equations with the dissipative contact characteristic model and considered the viscous friction effect between colliding bodies to establish a nonlinear multi-body system dynamics model with clearance. Then, the contact and collision process of the high-speed precision press transmission system in the gravity field was taken as the research object for numerical calculation, and the validity of the model was verified by comparing with the experimental results. Furthermore, the mapping relationship between the clearance dissipative contact characteristics and the dynamic characteristics of high-speed precision press was obtained. Research results show that the nonlinear multi-body dynamic model with clearance can effectively describe the dynamic characteristics of the transmission mechanical with clearance, and provides an effective method for the study of dynamic characteristics of high-speed precision press, which is beneficial to the practical engineering applications such as mechanism performance evaluation and structural design optimization.

基金项目：

中国博士后科学基金项目(2020M681531);泰州市科技支承(工业共性关键技术)项目(TN201717)

作者简介：刘艳（1981-），女，硕士，副教授 E-mail：93867120@qq.com

参考文献：

[1]Chen X L, Jiang S, Deng Y. Dynamic analysis of 2-DOF complex planar mechanical system with joint clearance and flexible links[J]. Nonlinear Dynamics, 2018, 93: 1009-1032.

[2]Zheng E L, Wang T Y, Guo J. Dynamic modeling and error analysis flexible multilink mechanism with clearance and spindle-bearing structure[J]. Mechanism and Machine Theory, 2019, 131: 234-260.

[3]秦浙, 钱孟波, 龚剑伟. 计及铰链间隙的弹射式移栽机构非线性动力学特性分析[J]. 振动与冲击, 2020, 39(21): 186-194.

Qin Z, Qian M B, Gong J W. Non-linear dynamic characteristics of ejection transplanting mechanism with joint clearance [J]. Journal of Vibration and Shock, 2020, 39(21): 186-194.

[4]郑延丰,杨超,刘磊. 基于有限质点法的含间隙铰平面机构动力分析[J]. 工程力学, 2020, 37(3): 8-17.

Zheng Y F, Yang C, Liu L. Dynamics analysis of planer mechanism with revolute joint clearance based on finite particle method [J]. Engineering Mechanics, 2020, 37(3): 8-17.

[5]Akhadkar N, Acary V, Brogliato B. Multibody systems with 3D revolute joints with clearances: An industrial case study with an experimental validation[J]. Multibody Systerm Dynamic, 2017, 2: 1-34.

[6]Tian Q, Lou J, Mikkola A. A new elastohydrodynamic lubricated spherical joint model for rigid-flexible multibody dynamics[J]. Mechanism and Machine Theory, 2017, 107: 210-228.

[7]Xu L X. A method for modelling contact between circular and non-circular shapes with variable radii of curvature and its application in planar mechanical systems[J]. Multibody System Dynamics, 2017, 39: 153-174.

[8]杨晓钧, 王俊涵, 李兵. 含球关节间隙的RSSR机构动力学建模与仿真[J]. 哈尔滨工业大学学报, 2018, 50(7): 73-79.

Yang X J, Wang J H, Li B. Dynamics modeling and simulation of RSSR spatial mechanism with spherical clearance joint [J]. Journal of Harbin Institute of Technology, 2018, 50(7): 73-79.

[9]Li Y Y, Wang Z L, Wang C. Planar rigid-flexible coupling spacecraft modeling and control considering solar array deployment and joint clearance[J]. Acta Astronautica, 2018, 142: 138-151.

[10]Zhao B, Chen J, Liu T. A new Timoshenko beam model based on modified gradient elasticity: Shearing effect and size effect of micro-beam[J]. Composite Structures, 2019, 223: 110946.

[11]郑恩来, 储磊, 蒋书运. 含润滑间隙和曲轴转子-轴承结构的平面柔性多连杆机构多体动力学建模与动态误差分析[J]. 机械工程学报, 2020, 56(3): 106-120.

Zheng E L, Chu L, Jiang S Y. Multi-body dynamic modeling and error analysis of planar flexible multi-link mechanism with lubricated revolute clearance joints and crankshaft-bearing structure [J]. Journal of Mechanical Engineering, 2020, 56(3): 106-120.

[12]丁健, 赵宇, 吴洪涛. 含多运动副间隙机构动态特性研究[J]. 组合机床与自动化加工技术, 2014, 5(5): 9-13.

Ding J, Zhao Y, Wu H T. Dynamic characteristics of mechanisms with multi-clearance joints [J]. Modular Machine Tool & Automatic Manufacturing Technique, 2014, 5(5): 9-13.

[13]Erkaya S. Investigation of joint clearance effects on actuator power consumption in mechanical system[J]. Measurement, 2019, 134: 400-411.

[14]Bai Z F, Zhao Y. A hybrid contact force model of revolute joint with clearance for planar mechanical systems[J]. International Journal of Non-linear Mechanics, 2013, 48: 15-36.

[15]郭嘉楠, 何鹏, 刘占生. 粗糙接触面选择铰间隙碰撞动力学建模与仿真[J]. 振动与冲击, 2019, 38(11): 132-139.

Guo J N, He P, Liu Z S. Impact dynamic modeling and simulation for a revolute joint with rough contact surfaces and a clearance [J]. Journal of Vibration and Shock, 2019, 38(11): 132-139.

[16]钱伟, 吴钊, 吴华伟. 上三角肘杆式压力机构间隙动力学特性分析[J]. 锻压技术, 2022, 47(6): 214-223.

Qian W，Wu Z，Wu H W. Analysis on dynamic characteristics of upper triangular toggle press mechanism clearance [J]. Forging & Stamping Technology, 2022, 47(6): 214-223.

服务与反馈：

【本网站尚未开通全文下载服务】【加入收藏】