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针对典型的钛合金膜板类锻件(外径为Φ360 mm),设计了锻造成形模具及局部加载模具并进行了局部加载锻造工艺改进试验。通过局部加载方法控制坯料金属的流动方向和距离,避免产生折迭、充不满等缺陷。结果表明,局部加载成形技术可以有效地控制金属的变形流动,膜板类锻件的成形质量和材料利用率明显提高,锻件性能满足设计要求。
For the typical titanium alloy plate forgings (outer diameter of Φ360 mm), the forging forming mold and the partial loading mold were designed and the partial loading forging process improvement test was carried out. Through the local loading method to control the direction and distance of the billet metal flow, to avoid folding, filling dissatisfaction and other defects. The results show that the partial load forming technology can effectively control the deformation and flow of metal, and the forming quality and the material utilization rate of the film plate forgings are obviously improved. The performance of the forgings meets the design requirements.