分析了高压涡轮冷却外壳的成形工艺，并介绍了聚氨酯胀形模的结构设计和模具工作过程以及模具调试改进。
The forming technology of skin-cooling high pressure turbine was analyzed, introduced polyurethane bulging die structure design and the working process and die debugging improvement.
成形极限图通常是通过钢模胀形试验测得，实际测量的成形极限图与ASAME自动应变测试分析系统模拟计算的成形极限曲线吻合较好。
FLD is usually measured with swell test in rigid die. The tested FLD is good fit that one measured by analogue computer in ASAME (Automated Strain Analysis and measure Environment).
对三角形底盘筒形件的成形工艺进行了分析，决定采用弯曲、拉深、胀形复合模等进行复合成形。
As the shape technology of triangle chassis canister is analyzed, then the processes of bending, stretching and bulging compound mould are adopted to reunite the shape.
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