摘要
为了研究运动副间隙对机构动态特性的影响,文章基于一种非线性接触碰撞力模型和修正了的库仑摩擦力模型,描述含间隙运动副内关节元素的接触碰撞作用,并在动力学仿真软件ADAMS环境中,以含运动副间隙曲柄滑块机构为例,对其进行动力学仿真。分别考虑间隙尺寸、间隙位置和类型、曲柄转速以及间隙数目对机构动态特性的影响,拓展了间隙碰撞动力学建模与含间隙机构动力学仿真的研究,为机构的设计提供了重要的参考依据,有利于工程实际应用。
In order to study the dynamic characteristics of mechanisms with joint clearance, the work based on a nonlinear contact model and an improved Coulomb friction model. In the environment of dynamics sim- ulation software ADAMS, the slider-crank mechanism is chosen as an example to be demonstrated. Consider the influence of dynamic performance due to clearance size, clearance type and clearance position, rotation speed of crank and clearance numbers respectively, which expands the dynamics modeling of mechanism with clearance, and gives the basis of mechanism design.
出处
《组合机床与自动化加工技术》
北大核心
2014年第5期9-13,共5页
Modular Machine Tool & Automatic Manufacturing Technique
基金
国家自然基金(51375230)
江苏省科技支撑计划(BE2012052)
关键词
多运动副间隙
接触碰撞
摩擦
动态特性
multi-clearance joints
contact
friction
dynamic characteristic
