切割带钝边的管道焊接坡口的数学模型及仿真  

Mathematical model and simulation for cutting of pipe tee with root face groove

作　　者：王旗华[1] 殷国富[1] 徐雷[1] 何赛松[1] 

机构地区：[1]四川大学制造科学与工程学院,成都610065

出　　处：《焊接学报》2012年第3期77-80,117,共4页Transactions of The China Welding Institution

基　　金：国家自然科学基金资助项目(51075287);四川省科技支撑计划资助项目(2010GZ0051)

摘　　要：针对三通接头焊接的焊前坡口切割问题,对斜边焊接坡口和带钝边焊接坡口进行对比,分析了带钝边焊接坡口的优点,阐述了管件带钝边焊接坡口支管切割及主管切割原理;在现有斜边焊接坡口切割数学模型的基础上,分别建立了带钝边焊接坡口支管切割及主管切割数学模型.用AutoCAD VBA工具对切割数学模型进行仿真分析,验证了所建立的数学模型的可靠性和实用性.为三通接头焊接的焊前坡口切割提供了新的理论依据与思路.Aimed at the groove cutting during the pipe tee manufacturing,this paper compared bevel groove with root face groove,and presented the advantages of root face groove cutting for pipe tee.The principle of root face groove cutting for branch pipe and main pipe was demonstrated,and then the root face groove cutting model was established,based on the bevel groove cutting model.After simulation with AutoCAD VBA programming tools,the models were verified to be reliable and practical.This paper provides a new approach to improve the welding quality and enhance the manufacturing efficiency of pipe tee.

关 键 词：数控管件切割 三通接头 斜面坡口 带钝边焊接坡口 

分 类 号：TG48[金属学及工艺—焊接]