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首页> 外文会议>AHS 59th Annual Forum Proceedings Vol.2; May 6-8, 2003; Phoenix, Arizona >Reduced Leadtimes for Forged Helicopter Parts ― RAPIDTOOL Program
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Reduced Leadtimes for Forged Helicopter Parts ― RAPIDTOOL Program

机译：缩短了锻造直升机零件的交货时间―快速工具计划

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摘要

Development and manufacturing times for dies in precision hot forging can be as high as several months. This limits them to application in medium to high volume production. However in the helicopter industry the production volumes are often small and production lead times short. This forces them to machine the parts slabs even at the expense of time and performance penalties. This paper investigates the PROMETAL~(TM) (3D Printing) rapid prototyping technique for hot forging die application. It includes qualification testing of the material for interface tribology, heat transfer and strength, the manufacture of the dies, laboratory testing and performance of these dies in comparison to conventional H-13 dies. The results of the tests are explained by the FEA modelling and simulation of the forging process. The PROMETAL process is found to have many attractive attributes and some limitations. Approaches are suggested on overcoming the latter.
机译：精密热锻模具的开发和制造时间可能长达几个月。这限制了它们在中到大量生产中的应用。但是，在直升机行业中，产量通常很小，并且交货时间短。这迫使他们甚至在时间和性能损失上也要加工零件板。本文研究了PROMETAL〜（TM）（3D打印）快速成型技术在热锻模中的应用。与常规的H-13模具相比，它包括对界面摩擦学，传热和强度材料的资格测试，模具的制造，实验室测试以及这些模具的性能。测试结果通过FEA建模和锻造过程仿真进行解释。发现PROMETAL过程具有许多吸引人的属性和一些限制。建议了克服后者的方法。

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