TA15钛合金小圆角梯形截面环热成形技术  

Hot Forming Technology of TA15 Titanium Alloy Small Rounded Trapezoidal Cross Section-Ring Part

作　　者：张涛[1] 姜波[1] 孙宾[1] 朱宪彬[1] 史昆[2] 

机构地区：[1]中航工业北京航空制造工程研究所 [2]沈阳铸造研究所

出　　处：《航空制造技术》2013年第16期97-99,102,共4页Aeronautical Manufacturing Technology

摘　　要：针对TA15材料的小圆角梯形截面环形零件提出了热压胀形的工艺方案。采用沿零件毛坯回转中心轴向加载、锥体胀芯压迫锥面胀块径向移动的成形方法,设计出多层结构组合胀形的热成形模具,通过试验分析胀芯的载荷增量与成形后零件壁厚的分布关系,以及不同的载荷增量对于成形零件截面圆角的影响。最终得出合理的载荷增量与胀芯进给曲线。Hot bulge forming process scheme is proposed for TA15 titanium alloy rounded comers trap- ezoidal cross-section ring parts.Using the forming method along blank rotary center axial loading and the conical mold pressuring the other conical mold motion, a mul- tilager structure combination bulying hot forming die is designed. Through the experiment, the relation of vertebral module load increment and the parts thickness distribution and different load incremental effect on the formed parts section rounded comers are analyzed. Finally, the reason- able load increment and vertebral displacement curve are obtained.

关 键 词：TA15钛合金 小圆角 梯形截面 热压胀形 

分 类 号：TG306[金属学及工艺—金属压力加工]