焊接滚轮架包角对筒体影响的有限元分析

Finite Element Analysis for the Influence of the Wrap Angle of Welding Roller Bed on the Barrel

首先介绍了ANSYS求解接触问题的基本类型和接触单元的类型,确定了焊接滚轮架与筒体的接触是柔体—柔体的面—面接触问题。利用ANSYS软件分别建立了包角取50°、60°、70°、80°、90°、100°、110°的滚轮和筒体的有限元几何模型,分别进行接触分析,并对筒体的应力和位移进行分析对比。结果表明,若只考虑筒体的应力和变形,焊接滚轮架包角应选在60°-70°范围内,对包角的选取具有一定的指导价值。

The fundamental types and types of contact elements of ANSYS software in solution of contact problem were introduced. Then the contact of welding roller bed and barrel was determined to the contact problem of flexible body-to-flexible body surface- to- surface. And this paper used analysis software ANSYS to establish the finite element models of the roller and barrel of different wrap angle and executed the contact analysis respectively.Through compared and analyzed the stress and displacement of barrel,results showed that the wrap angle of welding roller bed is better in a range between 60°and 70° if only consider the stress and deformation of the barrel. This is valuable in the select of wrap angle.