TC1钛合金端盖零件热拉深成形工艺研究  

Study on Thermal Deep-Drawing Process of TC1 Titanium Alloy Cover Part

作　　者：张志 李鹏亮 孙宾 李均红 ZHANG Zhi;LI Pengliang;SUN Bin;LI Junhong(AVIC Manufacturing Technology Institute, Beijing 100024, China;Aeronautical Key Laboratory for Plastic Forming Technologies, Beijing 100024, China;Beijing Key Laboratory of Digital Plasticity Forming Technology and Equipment, Beijing 100024, China;Sichuan Chengfa Aero Science & Technology Co., Ltd., Chengdu 610503, China)

机构地区：[1]中国航空制造技术研究院,北京100024 [2]塑性成形技术航空科技重点实验室,北京100024 [3]数字化塑性成形技术及装备北京市重点实验室,北京100024 [4]四川成发航空科技股份有限公司,成都610503

出　　处：《航空制造技术》2017年第8期79-83,共5页Aeronautical Manufacturing Technology

摘　　要：针对TC1钛合金端盖零件的结构特点,分析了零件的成形难点,对热拉深工艺的模具材料、温度、压边间隙、拉深速度等对零件成形性能的影响进行了研究,提出了合理的工艺参数。结果表明,该工艺方法可实现薄壁、大拉深比的TC1钛合金零件的精确成形,采用空气脱模的方式可获得平面度满足设计要求的零件,为类似零件的取件提供了工艺参考。According to the feature of TC1titanium alloy cover part,the processing property of the part is analyzed.The influence of some factors such as mould material,temperature,blank holder gap and drawing rate on the drawing formabilityof TC1titanium alloy cover part are discussed,meanwhile the appropriate parameters are optimized.The resultsindicate that the proposed technological method is feasible for the integral forming of thin-walled TC1titanium alloy withlarge drawing ratios.Moreover,parts with high quality of flatness can be successfully formed by using air-demouldingmethod.It provides a technical reference for picking off the similar parts.

关 键 词：TC1钛合金 热拉深工艺 薄壁 大拉深比 空气脱模 

分 类 号：V261[航空宇航科学与技术—航空宇航制造工程]