摘要
研究用于某涡轮性能试验件的3D打印涡轮导向叶片毛坯结构特征,结果表明毛坯力学性能满足使用要求,但其外轮廓尺寸仍需精加工。针对该问题提出了一种毛坯组合加工方法,基于叶型加工出端面基准面,通过流道得到径向基准面的整环机加工工艺,并设计了相应的机加工工装。与常规工艺相比,该加工方法工序更简单,加工周期更短,保证了较高的加工精度。
This paper studied on the structural feather of rough turbine guide vanes formed by 3D printing, have been applied on the performance experiment of the aero-engine turbine in recent years. The inspection results indicated that the mechanical property of the vanes was sufficient, but the external dimensions of the vanes needed to be modified. This article introduced a new machining technology of the combined turbine guide vane, which machined the end reference surface on the basic of blade profile and obtained the radial reference surface on the basic of the flow channel, enhance the annular stiffness by solid wax and then proceeded with the machining process. And the new fixture was designed simultaneously. The machining application of the multiblade rough turbine guide vane indicated that the new machining method had a simpler process and spends less time than the conventional method, and also achieved good precision.
作者
何春萌
蔡斌
许欣
李婵
周军
HE Chunmeng;CAI Bin;XU Xin;LI Chan;ZHOU Jun(Hunan Aviation Powerplant Research Institute,Zhuzhou 412002;Hunan Key Laboratory of Turbomachinery on Medium and Small Aero-Engine,Zhuzhou 412002)
出处
《现代制造技术与装备》
2022年第12期129-132,共4页
Modern Manufacturing Technology and Equipment
关键词
3D打印
导向叶片
加工工艺
基准面
3D printing
guide vane
machining technology
reference surface
