发动机大型钛合金环形件研制成功某型号发动机是南方航空动力机械公司承担的总公司重点型号任务，其上有许多钛合金薄壁构件，形状特殊，尺寸较大，尤其是有几个带轴向焊缝的大型环形件，必须先焊后成形。比如外套构件，是三级斜阶梯状圆锥形件，毛坯直径６３０ｍｍ，高４... The successful development of a large titanium alloy ring engine is a model of the Southern China Southern Airlines Power Machinery Corporation’s key task of the Corporation, which has many titanium thin-walled components, special shape, size, especially with several axial Welded large ring, must be welded before forming. Such as jacket components, is three inclined ladder conical parts, blank diameter 630mm, height 4 ...