弹药筒超声自动检测方法与系统
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摘要
提出了一种基于弹药筒下母线入射的恒定横波折射角方法,实现对不同规格弹药筒的微细裂纹检测,通过仿真和实验验证检测的可靠性。设计了用于弹药筒等小径筒体的多工位高速超声自动化检测系统,分析检测系统中缺陷信号和干扰信号的特征,提出一种扫描信号滤波报警算法,最终实现了弹药筒上料、检测、分选全过程自动化。结果表明,该系统能检测的最小缺陷深度为0.05 mm,检测速度可达1 200件/h,误判率仅为1%。
A method to detect micro cracks in different specifications of cartridges was proposed based on the constant shear wave refraction angle of busbar incidence.The reliability was verified by the simulation and experiment.Multi-station high-speed ultrasonic testing system for small-diameter cylinder,such as cartridge,was designed.A scanning signal filtering algorithm was proposed according to the signal features of defects and interferences.Finally,the automation of the whole processes,such as feeding detecting and sorting were realized. The results show that the system may detect the minimum crack depth of 0.05 mm, the detection speed is 1 200 pieces/h,and the misjudgment ratio is only 1%.
A method to detect micro cracks in different specifications of cartridges was proposed based on the constant shear wave refraction angle of busbar incidence.The reliability was verified by the simulation and experiment.Multi-station high-speed ultrasonic testing system for small-diameter cylinder,such as cartridge,was designed.A scanning signal filtering algorithm was proposed according to the signal features of defects and interferences.Finally,the automation of the whole processes,such as feeding detecting and sorting were realized. The results show that the system may detect the minimum crack depth of 0.05 mm, the detection speed is 1 200 pieces/h,and the misjudgment ratio is only 1%.
引文
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[2]庞明超,王俊元,胡振华,等.某炮弹药筒内孔尺寸在线检测系统研究[J].包装工程,2014(17):6-10.PANG Mingchao,WANG Junyuan,HU Zhenhua,et al.Online Detecting System for Inner Hole Size of Certain Cartridge[J].Packaging Engineering,2014(17):6-10.
[3]王维东,王亦民,孟倩倩,等.超超临界锅炉小径管焊缝的超声相控阵检测工艺[J].无损检测,2015,37(12):49-52.WANG Weidong,WANG Yimin,MENG Qianqian,et al.Ultrasonic Phased Array Testing for Small Diameter Tube Weld of Ultra-supercritical Boiler[J].Nondestructive Testing,2015,37(12):49-52.
[4]高远飞,王明泉,郭栋.基于X射线的药筒质量实时检测技术[J].应用光学,2010,31(3):463-466.GAO Yuanfei,WANG Mingquan,GUO Dong.Realtime Detection of Cartridge Quality Based on X ray[J].Journal of Applied Optics,2010,31(3):463-466.
[5]陈智军,李良儿,施文康,等.声表面波与声板波激发特性对比研究[J].中国机械工程,2008,19(11):1278-1283.CHEN Zhijun,LI Lianger,SHI Wenkang,et al.Comparative Study on Excitation Characteristics of Surface Acoustic Wave and Acoustic Plate Mode Wave[J].China Mechanical Engineering,2008,19(11):1278-1283.
[6]董晓丽,杨顺民,宋文爱,等.变壁厚薄壁筒体超声检测技术及自动检测系统[J].无损检测,2007,29(6):304-308.DONG Xiaoli,YANG Shunmin,SONG Wenai,et al.The Technique of Ultrasonic Testing for the Thin Walled Pipes with Variable Wall Thickness and Automatic Detection System[J].Nondestructive Testing,2007,29(6):304-308.
[7]张艳花,杨录,宋文爱.变壁厚薄壁筒体超声线性定量自动检测[J].中北大学学报(自然科学版),2005,26(6):443-446.ZHANG Yanhua,YANG Lu,SONG Wenai.Ultrasonic Linear Quantitative Automatic Detection of Thin-walled Cylindrical Pipe with Different Thickness[J].Journal of North University of China(Nature Science Edition),2005,26(6):443-446.
[8]MURRAY T W,PRADA C,BALOGUN O.Nondestructive Imaging,Characterization or Mearuement of Thin Items Using Laser-generated Lamb Waves:US,US7798000[P].2010-09-21.
[9]FROMME P,WILCOX P,LOWE M,et al.On the Scattering and Mode Coversion of the A0 Lamb Wave Mode at Circular Defects in Plates[J].AIP Conference Proceedings,2004,700(1):142-149.
[10]侯怀书,赵清滨,范应元.薄壁轴承套内外壁缺陷超声横波检测换能器设计[J].无损检测,2008,30(5):47-49.HOU Huaishu,ZHAO Qingbin,FAN Yingyuan.Testing of the Flaws in Inner and Outer Surface of Thin Wall Bearing Carriage with Transverse Wave[J].Nondestructive Testing,2008,30(5):47-49.
[11]关卫和.高温环境下压力容器与管道超声横波检测方法研究及影响因素分析[D].杭州:浙江大学,2004.GUAN Weihe.Research and Analysis of Ultrasonic Shear Wave Testing and Influential Factors of Pressure Vessels&Piping in High-temperature Environment[D].Hangzhou:Zhejiang University,2004.
[12]ONO Y,JEN C K,KOBAYASHI M.High Temperature Integrated Ultrasonic Shear and Longitudinal Wave Probes[J].Review of Scientific Instruments,2007,78(2):263-279.
[13]涂君.钢管水浸超声自动检测的关键工艺参数[D].武汉:华中科技大学,2009.TU Jun.Key Technology Parameters of Ultrasonic Immersion Automatic Testing for Steel Pipes[D].Wuhan:Huazhong University of Science and Technology,2009.
[14]ZHANG Y,SHI T,SU L,et al.Sparse Reconstruction for Micro Defect Detection in Acoustic Micro Imaging[J].Sensors,2016,16(10):1773.