FLEXIBLE DYNAMICS ANALYSIS OF SLEY SYSTEM FOR HIGH-SPEED RAPIER LOOM BASED ON FINITE ELEMENT METHOD

LU ChunHui; JIN GuoGuang; WEI Zhan

doi:10.16579/j.issn.1001.9669.2021.05.017

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FLEXIBLE DYNAMICS ANALYSIS OF SLEY SYSTEM FOR HIGH-SPEED RAPIER LOOM BASED ON FINITE ELEMENT METHOD

更新时间：2022-09-22

- FLEXIBLE DYNAMICS ANALYSIS OF SLEY SYSTEM FOR HIGH-SPEED RAPIER LOOM BASED ON FINITE ELEMENT METHOD
- Journal of Mechanical Strength Vol. 43, Issue 5, Pages: 1141-1148(2021)
- 作者机构：
  
  1. 天津工业大学机械工程学院
  2. 天津工业大学天津市现代机电装备技术重点实验室
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2021.05.017
  CLC：
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LU ChunHui, JIN GuoGuang, WEI Zhan. FLEXIBLE DYNAMICS ANALYSIS OF SLEY SYSTEM FOR HIGH-SPEED RAPIER LOOM BASED ON FINITE ELEMENT METHOD. [J]. 43(5):1141-1148(2021)
DOI：

LU ChunHui, JIN GuoGuang, WEI Zhan. FLEXIBLE DYNAMICS ANALYSIS OF SLEY SYSTEM FOR HIGH-SPEED RAPIER LOOM BASED ON FINITE ELEMENT METHOD. [J]. 43(5):1141-1148(2021) DOI： 10.16579/j.issn.1001.9669.2021.05.017.

摘要

针对现有织机中打纬机构筘座系统存在的强度不够、振动变形以及构件断裂等现象,对其进行了结构优化;根据有限元模态计算理论,建立多自由度新型筘座脚系统的振动方程;在Ansys中分析了筘座脚的模态和振型等振动特性;在Adams中建立了新型打纬机构的刚-柔耦合模型,并进行柔性动力学仿真和应力分析。结果表明:新型筘座系统制造安装简便,满足打纬运动的力学性能要求;新型筘座脚发生共振变形的可能性很小;柔性筘座脚的打纬加速度曲线相比刚性体时波动增大,织机转速的变化对打纬机构加速度影响较大;新型筘座的主体部分应力分布较少,相比原型筘座的应力变形较小。

Abstract

In view of the insufficient strength,vibration deformation and fracture of the sley system of the beating-up mechanism in the existing loom,the structure of the sley system is optimized. According to the finite element modal calculation theory,the vibration equation of the new multi-degree-of-freedom sley foot system is established. The modal and mode of the sley foot are analyzed in ANSYS. The rigid-flexible coupling model of the new beating-up mechanism is established in ADAMS,and the flexible dynamic simulation and stress analysis are carried out. The results show that the new sley system is easy to manufacture and install,and can meet the requirement of mechanical properties of beating-up motion. The possibility of resonance deformation of the new sley is very small. The beating-up acceleration curve of the flexible sley foot fluctuate more than that of the rigid body,and the change of the loom speed have a great influence on the acceleration of the beating-up mechanism. The stress distribution of the main body of the new sley is less than that of the original sley.

关键词

剑杆织机打纬机构模态分析刚柔耦合Adams仿真应力分析

Keywords

Rapier loomBeating-up mechanismModal analysisRigid-flexible couplingAdams SimulationStress analysis

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