面向全型面精加工的整体叶盘铣磨组合加工技术研究  

Research on Combined Machining Technology of Milling and Grinding of Blisk for Full ProfileFinish Machining

作　　者：陈帅 陈志同[1] 刘超 柴晋峰 刘成 CHEN Shuai;CHEN Zhitong;LIU Chao;CHAI Jinfeng;LIU Cheng(Beihang University,Beijing 100191,China;AECC South Industry Co.,Ltd.,Zhuzhou 412002,China)

机构地区：[1]北京航空航天大学,北京100191 [2]中国航发南方工业有限公司,株洲412002

出　　处：《航空制造技术》2024年第4期104-109,117,共7页Aeronautical Manufacturing Technology

摘　　要：整体叶盘由多个叶片呈圆周阵列布置在轮毂上,由于叶身型面为弱刚性零件,精加工时刀具磨损、颤振及让刀变形较为严重,影响了加工质量的进一步提高。提出一种面向全型面精加工的整体叶盘铣磨组合加工工艺,叶片型面采用磨削加工工艺,叶根、流道区域采用铣削加工工艺,通过控制磨削与铣削刀轨重叠区域的接刀误差实现叶盘全型面加工。试验结果表明,铣磨组合加工工艺表现出较好的加工质量,接刀误差控制在0.01 mm以内,轮廓误差小于0.04 mm,并通过加工试验验证了多主轴阵列加工的可行性,在保证加工质量的同时可大幅度提升加工效率。The blisk consists of a number of blades arranged in a circular array on the hub.Because the blade is a weakly rigid part,tool wear,chatter and tool deformation are serious during finishing,which affect the further improvement of machining quality.A new combine machining technology of milling and grinding for full surface finishing was proposed.The blade is processed by grinding,while the blade root and flow path are processed by milling.The full surface machining was realized by controlling the joint error in the overlap area of grinding and milling tool rails.The experimental results show that the combined machining technology shows good machining quality,the tool connecting error is controlled within 0.01 mm,and the overall blade profile error is less than 0.04 mm.The feasibility of the multi-spindle array machining of the blisk is verified by the double spindle machining experiment,which can greatly improve the machining efficiency while ensuring the machining quality.

关 键 词：整体叶盘 全型面加工 磨削加工 铣削加工 多主轴 

分 类 号：V263[航空宇航科学与技术—航空宇航制造工程]