摘要
随着我国航空航天事业的飞速发展,精密钣金件的应用日益广泛,根据不同的设计及应用要求,航空管材类零件也由原来的自由胀形工艺逐步改进为各类可控胀形工艺,大大提高了航空管材件的应用范围。其中,内高压胀形工艺是广泛应用于航空制造领域的金属成形工艺方法之一,成形难度大,影响因素复杂,一直是成形领域的难题。以航空用某卡箍类零件为例,对影响内高压胀形工艺的轴向材料补偿量、内压力、加载路径等因素进行深入研究,通过数值仿真分析,优化工艺参数,提出一套简单易行的管材轴向压力内高压胀形工艺方法,成功应用于该类零件的工程实践中,达到了缩短生产周期、节约生产成本的目的。
With the rapid development of our country’s aerospace industry, precision sheet metal parts are more increasingly used. According to different design and application requirements, aviation pipe parts have also been improved from the original free bulging process to various controllable bulging processes, which have greatly broaden the application range. One of the metal molding processes is internal high pressure bulging process, which is widely applied in aviation manufacturing fields. The difficulty form, multiple influencing factors and the complex process are always hard to resolve. In this study, an example of the aviation clamp part is investigated. Axial material compensation amounts, internal pressure and loading paths have been discussed. Through the numerical simulation analysis, the process parameters can be optimized, a simple high-pressure tube bulging process method has been successfully applied, which is beneficial to shorten production cycle and save production costs.
作者
董楹
黑东盛
白艳
DONG Ying;HEI Dongsheng;BAI Yan(AVIC Harbin Aircraft Industry Group Co.,Ltd.,Harbin 150066,China)
出处
《航空制造技术》
2018年第18期60-66,共7页
Aeronautical Manufacturing Technology
关键词
航空
卡箍
内高压
轴向压力
数值分析
Aviation
Clamp
Internal high pressure
Axial pressure
Numerical analysis
