Double-station locating-machining system and method for large special-shaped cylindrical thin-walled parts

doi:10.13196/j.cims.2023.0109

Computer Integrated Manufacturing System ›› 2025, Vol. 31 ›› Issue (2): 438-451.DOI: 10.13196/j.cims.2023.0109

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Double-station locating-machining system and method for large special-shaped cylindrical thin-walled parts

ZHANG Yuehong^1,2,ZHENG lianyu¹⁺,ZHAO Xiong¹,ZHANG Zhiqi²,PAN Wangwang¹,SHI Maoyuan¹

1.School of Mechanical Engineering and Automation,Beijing University of Aeronautics and Astronautics
2.Shanxi Aerospace Tsinghua Equipment Co.,Ltd.

Online:2025-02-28 Published:2025-03-05
Supported by:
Project supported by the Key and Core Technologies and Common Key Technologies Research and Development Foundation,China(No.2020×××005),and the Outstanding Science Foundation for PhD Students of Beijing University of Aeronautics and Astronautics,China.

面向大型异形筒类薄壁件的双工位寻位加工系统及方法

张月红^1,2,郑联语¹⁺,赵雄¹,张志奇²,潘旺旺¹,史懋源¹

1.北京航空航天大学机械工程及自动化学院
2.山西航天清华装备有限责任公司

作者简介:
张月红(1981-),女,黑龙江克山人,北京航空航天大学机械工程及自动化学院博士研究生,山西航天清华装备有限责任公司高级工程师,研究方向:智能产线布局、薄壁件加工、智能制造等,E-mail:zyh_0987@163.com;

+郑联语(1967-),男,江西南昌人,教授,博士,博士生导师,研究方向:数字化与智能制造、柔性智能工艺装备、先进测量与质量控制、制造系统建模与仿真等,通讯作者,E-mail:lyzheng@buaa.edu.cn;

赵雄(1995-),男,山西右玉人,博士研究生,研究方向:薄壁件自适应加工、智能制造等,E-mail:zhaoxiong@buaa.edu.cn;

张志奇(1983-),男,山西晋中人,高级工程师,机械加工高级专家,研究方向:多轴精密加工制造、大型薄壁弱刚性零件加工、智能制造等,E-mail:25391298@qq.com;

潘旺旺(2000-),男,布依族,贵州息烽人,硕士研究生,研究方向:数字化与智能制造等,E-mail:panwangwang@buaa.edu.cn;

史懋源(1997-),男,山西沁源人,博士研究生,研究方向:薄壁件自适应智能制造、制造系统建模、数字孪生,E-mail:shimaoyuan@buaa.edu.cn。
基金资助:
山西省关键核心技术和共性技术研发攻关专项资助项目(2020×××005);北京航空航天大学博士研究生卓越学术基金资助项目。

Abstract

Abstract: To solve the problem of low positioning efficiency and low production efficiency for large special-shaped thin-walled parts with few datums,a state searching machining system and method for large special-shaped thin-walled parts were proposed.The state searching machining system was built,and a laser scanner was used to measure the pose point cloud data for posture of large thin-walled parts in the off-machine presetting station on this basis.Then,the actual pose point cloud and the theoretical pose point cloud data were registered based on the improved ICP algorithm,and the correction value of the machining coordinate was calculated.Finally,the thin-walled part was transported to the machine tool based on the zero-point position fixture,and the machining was started to large special-shaped thin-walled parts with modified machining coordinate.Based on the above steps,a state searching machining experiment was performed to a certain weapon special-shaped cylinder part.The experiment results demonstrated that the proposed method could not only guarantee the machining quality of special-shaped thin-walled parts,but also improved the production efficiency by 48% and 30% compared with traditional position method and in-machine state search machining method.Besides,the built system reduced the dependence on workers' operating experience to a large extent.Therefore,the proposed state searching machining system and the method could provide a new idea and solution for realizing the fast positioning for the large special-shape thin-walled parts with in aerospace vehicles.

Key words: large special-shaped thin-walled parts, double-station locating-machining, off-machine presetting station, point cloud registering

摘要： 为解决少/无基准类大型异形薄壁件加工前定位找正效率低及生产效率低等问题,提出面向大型异形筒类薄壁件的双工位寻位加工系统及方法。构建了异形筒类薄壁件双工位寻位加工系统,基于该系统,在机外预调工作站(工位1)上用激光扫描仪测量薄壁件加工位姿点云数据;基于改进的迭代最近点算法进行实际位姿点云数据与理论位姿点云数据配准,进而计算加工坐标系修正量;基于零点定位系统完成大型薄壁件在五轴机床(工位2)中的快速定位,并根据加工坐标系修正量修改CNC系统中的加工坐标系;基于修正后的坐标系开始加工,完成异形筒类薄壁件双工位寻位加工。通过对某型武器异形筒体试验件进行寻位加工实验,验证了所提方法的有效性和优越性。

关键词: 大型异形筒类薄壁件, 双工位寻位加工, 机外预调工作站, 点云配准

CLC Number:

ZHANG Yuehong, ZHENG lianyu, ZHAO Xiong, ZHANG Zhiqi, PAN Wangwang, SHI Maoyuan. Double-station locating-machining system and method for large special-shaped cylindrical thin-walled parts[J]. Computer Integrated Manufacturing System, 2025, 31(2): 438-451.

张月红, 郑联语, 赵雄, 张志奇, 潘旺旺, 史懋源. 面向大型异形筒类薄壁件的双工位寻位加工系统及方法[J]. 计算机集成制造系统, 2025, 31(2): 438-451.

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Double-station locating-machining system and method for large special-shaped cylindrical thin-walled parts

面向大型异形筒类薄壁件的双工位寻位加工系统及方法

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