一种弱刚性薄壁腔体零件制造工艺研究  

Research on Manufacturing Process of a Weakly-rigid and Thin-walled Cavity Part

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作  者:杨载斌[1] 沈涛 YANG Zaibin;SHEN Tao(Nanjing Research Institute of Electronics Technology,Nanjing 210039,China)

机构地区:[1]南京电子技术研究所,江苏南京210039

出  处:《电子机械工程》2025年第1期30-33,57,共5页Electro-Mechanical Engineering

摘  要:某薄壁腔体零件是某机载电子装备关键结构功能件。该零件刚性差、精度高,因而加工难度大。文中在分析该零件结构工艺的基础上,从制造精度、经济性等方面开展了工艺方案分析,确定了最优工艺路线,并对腔体精加工、微细螺纹孔成型等关键工序采取了相应技术措施,针对局部镀层高精度去除难题,提出采用激光烧蚀方法加工。检测结果表明,采用该工艺方案加工的零件,其平面度、尺寸精度等指标完全满足设计和使用要求。该零件已在某机载电子装备中得到应用。A generic type of thin-walled part is the key structural and functional element of an airborne electronic device.It is difficult to machine for weak rigidity and high accuracy.In this paper processability of its structure is analyzed first.Then advantages and disadvantages of a variety of machining methods are compared from accuracy and economy.Lastly the optimal process route is given just according to the characteristics of this kind of parts.And a series of measures are taken for critical processes.To solve the problems of local electroplated layer removing,a new way which makes uses of laser ablation to machine is put forward.Test results show that the indicators meet the actual requirements.This part has been used in an airborne electronic device.

关 键 词:弱刚性 薄壁腔体 制造工艺 激光烧蚀 

分 类 号:TN61[电子电信—电路与系统]

 

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