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2017 Vol. 60, No. 9 Published: 2017-05-01

FEATURE FIGURE FORUM NEW VIEWPOINT RESEARCH C0NTENTS COVER STORY

C0NTENTS

	6	CONTENTS


		2017 Vol. 60 (9): 6-10 [Abstract] ( 137 ) HTML^New PDF (3800 KB) ( 472 )

FEATURE

	16	Research Status of Aircraft Automatic Drilling and Riveting System and Its Key Technology
		YU Long1, ZHANG Yilian1,WANG Yuhan1, LIU Gang2
		DOI: 10.16080/j.issn1671-833x.2017.09.016
		Quality and efficiency of fuselage and wings assembly can be improved significantly by using of automatic drilling and riveting technology. For decades now, this technique has been widely applied in aerospace manufacturing in foreign, while it’s just at beginning at home and the poor level for long time. So advanced foreign technologies are invested in this paper, taking GEMCOR, Electroimpact (EI), BROETJE Automation as examples, their features and the latest development are introduced respectively. Meanwhile, the development of automatic drilling and riveting at home is also illustrated briefly, as well as the problems facing in this area. Moreover, the key technologies, including high precision positioning, hole inspection on-line, automatic fastener feeding, off-line programming and simulation are analyzed in detail, which provide reference for the development of automatic drilling and riveting technology at home.
		2017 Vol. 60 (9): 16-25 [Abstract] ( 690 ) HTML^New PDF (3975 KB) ( 1514 )

FIGURE

	26	Advanced Structural Materials, Create the Future of Aviation

		吕　坚 LÜ Jian 法国国家技术科学院院士 Academician, the National Academy of Technologies of France 香港城市大学（研究与科技）副校长 Vice-President (Research and Technology) of City University of Hong Kong 香港城市大学研究生院院长，先进结构材料研究中心主任。研究范畴主要包括航空航天材料与结构预应力工程、先进纳米材料的制备与力学性能、生物与仿生材料（多稳态结构和柔性机器人）力学和先进材料与产品集成设计。曾任空客、EADS、SNECMA、ABB、FIAT 等 18 家公司、研究所和大学参加的欧盟项目首席科学家。在Nature 、Science 、Nature Materials 、Advanced Materials 、Materials Today 、Nature Communications 、PRL 、 JMPS 、Acta Materials 等SCI 杂志上发表研究论文320 篇。2006 年、2017 年分别获法国政府授予法国国家荣誉骑士勋章和法国国家荣誉军团骑士勋章。2011 年被法国国家技术科学院选为院士，成为该院近300 名院士中的首位华人院士。
		2017 Vol. 60 (9): 26-28 [Abstract] ( 385 ) HTML^New PDF (1846 KB) ( 3881 )

COVER STORY

	30	Research and Application Advances of Stress-Less Assembly Methods for Composite Airframe
		LI Dongsheng, ZHAI Yunong, LI Xiaoqiang
		DOI: 10.16080/j.issn1671-833x.2017.09.030
		With increasing of the application amount and range of composite in the new generation airframe, composite structures put forward higher demands on assembly quality and methods. The research and application of stress-less assembly methods for composite airframe are systematically summarized and elaborated. The shortcomings & gaps, as well as development direction of assembly stress control technology for composite airframe in domestic are pointed out.
		2017 Vol. 60 (9): 30-34 [Abstract] ( 364 ) HTML^New PDF (7714 KB) ( 842 )

FORUM

	38	Integrated Control System of Robot Automatic Drilling and Riveting Technology
		ZHANG Jin, TIAN Wei, ZHOU Min, TIAN Linshan
		DOI: 10.16080/j.issn1671-833x.2017.09.038
		For the control of aircraft automatic assembly of robot automatic drilling and riveting system, an automatic drilling and riveting equipment used an industrial robot as the carrier and based on Beckhoff control system is designed. The control system brings the industrial robot, extended floor rail, multifunctional end effector, tool magazine and other ancillary equipment together through the core of Beckhoff control software based on fieldbus mode, which can realize the real-time control of the machining site. And through a series of precision compensation measures in many aspects of the error to improve the accuracy of compensation, experiments show that the system can produce any hole with a positioning precision within ±0.5mm, a perpendicular accuracy within 0.3°, a diameter tolerance of H8, a countersink depth tolerance of ±0.01mm.
		2017 Vol. 60 (9): 38-42 [Abstract] ( 459 ) HTML^New PDF (2940 KB) ( 875 )

	43	Application Research of Robot Calibration Based on Draw-Wire Displacement Sensors
		LUO Zhenjun1, SUN Sijia2, MEI Jiangping2, CHEN Luogen1, XU Jian1
		DOI: 10.16080/j.issn1671-833x.2017.09.043
		The single-line 1D and 3- line 3D measurement systems are introduced briefly, and a single-line 3D measurement system is proposed by studying the current situation and application of the draw-wire displacement sensor in the field of robot calibration. The parameter identification algorithms corresponding to each of the measurement systems are proposed as well. In order to select appropriate calibration points, an example of a robot palletizer is given to analyze the effect of the error of robot work position on the value of cable measurement. A simulation is carried out to calibrate manufacturing error on nominal D-H parameters and measurement parameters, whose results show that the accuracy after the calibration is improved by 90%. Finally, the validity of the calibration methods is further verified by the kinematic calibration experiment, and some problems still needed to be solved are pointed out.
		2017 Vol. 60 (9): 43-49 [Abstract] ( 423 ) HTML^New PDF (2470 KB) ( 733 )

	50	Research on Positioning Technology of Welding Spot on the Silver Net Based on Robot Vision
		CHEN Yiqiao, HU Guoqing, HUANG Daoquan, LI Rui, JIA Mingfeng
		DOI: 10.16080/j.issn1671-833x.2017.09.050
		The welding process of silver net in the production of lead-zinc storage battery has not only problems like inaccurate identification with naked eyes and high error rate, but also a high labor intensity and low efficiency. An automatic welding spot identification solution based on robot vision was brought up within this process. The system uses a robot carrying an automatic welding device to weld the spots after identifying them accurately, adopts the distortion correction technology and robot hand-in-eye calibration to complete the accurate positional shift from the image coordinate system to the robot coordinate system, applies Blod method to analyze the algorithm of the coarse positioning combined with the accurate positioning using shape-based template matching technique, removes the barricades to accurate identification and positioning caused by noise jamming, nonlinear light interference and deformation of the silver net, finally achieves the goal of highly accurate identification and positioning and high efficiency.
		2017 Vol. 60 (9): 50-54 [Abstract] ( 303 ) HTML^New PDF (2261 KB) ( 537 )

	55	Research on the Technique of MBD-Based Off-Line Programming for Aircraft Drilling and Riveting Robot
		PENG Jiangtao, TAN Hong, SHI Zhanghu, ZENG Debiao, ZENG Chao
		DOI: 10.16080/j.issn1671-833x.2017.09.055
		In order to improve the off-line programming efficiency and quality for aircraft drilling and riveting robot, an intelligent off-line programming technique based on MBD is proposed. A drilling and riveting MBD model is built according to process characteristics of aircraft drilling and riveting. Coordinates, normal vectors, materials, fastener specifications, and such process information of holes to be drilled are extracted from the drilling and riveting MBD model, and the best machining stations, paths and process parameters are planned according to them. The off-line programming system for aircraft drilling and riveting is developed by CAA based on DELMIA software.
		2017 Vol. 60 (9): 55-59 [Abstract] ( 301 ) HTML^New PDF (2727 KB) ( 829 )

NEW VIEWPOINT

	60	CST Simulation on Effect of Beam Source Component Struture size on Beam Quality in Electron Guns
		SANG Xinghua, XU Haiying, ZUO Congjin, FAN Kai
		DOI: 10.16080/j.issn1671-833x.2017.09.060
		There will be an electrostatic field between cathode grid and anode in directly heated electron guns. This electrostatic field has a primary convergence effect on the beam current. The change of distance between anode and cathode, and the change of grid and anode shape will affect this electrostatic field and ultimately affect beam quality. Aiming at the problem that the electrostatic field and the movement track of electron are both difficult to measure directly by conventional method, this paper built a 1 ∶ 1 3D model and simulated the whole process of beam generation by using the simulation software CST particlestudio. By using the single variable method and analyzing the date, we obtain electrostatic field distribution, clear electron movement track under different conditions and graph of each variable parameter and beam current energy density at the focus position. Finally, the best structure size for beam quality is obtained. Then we took actual welding test on aluminum alloy plate with optimized electron gun structure. The welding seams we got are better than the original electron gun structure, which proves the simulation result is correct. This method provides a basis for the improvement of the beam quality of the existing electron guns and future design of the electron guns.
		2017 Vol. 60 (9): 60-64 [Abstract] ( 329 ) HTML^New PDF (1828 KB) ( 1142 )

RESEARCH

	66	Experimental Study on Film Cooling Hole Deburring by Alternating Rotating Magnetic Field
		LI Kuo, CHEN Yan, ZHANG Zhichao, JIN Wenbo
		DOI: 10.16080/j.issn1671-833x.2017.09.066
		After processed by electrical discharge machining (EDM), the film cooling hole of aircraft engine blade was surrounded by burr. It is difficult to remove the burr by using the method of traditional polishing. Using rotating electromagnetic field to drive the tiny magnetic pin rotating and collide with film cooling holes can effectively remove the burr which on the edge of film cooling holes.The principle of magnetic abrasive finishing (MAF), the motion trajectory of magnetic pin during in MAF, and the influence factor of magnetic abrasive machining efficiency ware theoretically analyzed. Then the film cooling hole of blade was accomplished in the MAF experiment. The surface topography of the film cooling hole before and after polishing by the 3D depth of field electron microscopy is observed and recorded. The result shows that using magnetic abrasive finishing could achieve a good effect on removing burr on film cooling holes, improve the surface morphology and meet the requirement and precision.
		2017 Vol. 60 (9): 66-70 [Abstract] ( 245 ) HTML^New PDF (2233 KB) ( 565 )

	71	Data Organization and Relational Design Method of Product and Tools for Cross Product Structure Tree
		QU Weigang
		DOI: 10.16080/j.issn1671-833x.2017.09.071
		The data organization and relational design technology of product and tools in CATIA/VPM concurrent collaborative design government are discussed in detail. Data organization and relational design method of product and tools for cross product structure tree is put forward. This method not only expands the existing full-3D relational design technology, but also provides a feasible solution for the integrated design of the product and tools. It has important application value and practical significance.
		2017 Vol. 60 (9): 71-74 [Abstract] ( 271 ) HTML^New PDF (2292 KB) ( 356 )

	75	Rapid Manufacture Technology of the Thin-Wall Titanium Alloy Abnormity Ring

		DOI: 10.16080/j.issn1671-833x.2017.09.075
		A flexible abnormity rings of thin-wall TC2 titanium alloy, the traditional manufacturing process consists of cutting, welding, forming, machining, surface treatment etc. The without forming rapid manufacturing method was putted forward to change the situation of traditional complicated technological process and high cost. The method was to use the characteristics of the abnormity ring straight generatrix can be carried out accurately, the different radius of cone was carried out and added gradually and accurately, according to the graph cutting and welding, without forming and machining, the process was simple. It provides a new way to such parts as the low cost and rapid manufacturing.
		2017 Vol. 60 (9): 75-78 [Abstract] ( 371 ) HTML^New PDF (1600 KB) ( 401 )

	79	Research on RSM-Based Process Parameter Optimization of Titanium Alloy Surface Polishing
		DU Huapeng1, CHEN Jie1, GUO Dongliang1, WANG Deting1, XIE Chengyu2, LI Yang1
		DOI: 10.16080/j.issn1671-833x.2017.09.079
		Titanium alloy is well known as a kind of difficult to machine material because of its high chemical activity, low thermal conductivity, and small elastic module. With the development of the industrial technology, there is a higher demand for the surface integrity of titanium alloys in modern industry, so it is very important to investigate the grinding and polishing method, which is a method to get a better surface of the titanium alloys. An experiment on the influence of the machining parameters on surface roughness is carried out using the Box-Behnken Design (BBD), then a quadratic predictive meodel of surface roughness based on response surface method (RSM) is built. The optimum values of machining parameters with respect to Ra are found through optimization.
		2017 Vol. 60 (9): 79-83 [Abstract] ( 250 ) HTML^New PDF (3218 KB) ( 608 )

	84	Research on Application of Automatic Drill-Riveting Technology in the Helicopter Fuselage Assembly
		CHENG Tao, WEI Chao, XIAO Qingdong
		DOI: 10.16080/j.issn1671-833x.2017.09.084
		For the high quality and high efficiency requirement of helicopter assembly industry, automatic drillriveting of the helicopter fuselage assembly was presented. The function, structure and key technique of the system were illustrated in detail. The automatic drill-riveting system can shorten the development cycle, reduce the cost and improve the competition ability in the helicopter assembly.
		2017 Vol. 60 (9): 84-86 [Abstract] ( 319 ) HTML^New PDF (1446 KB) ( 461 )

	87	Thermal Field Control and Simulation on Current Auxiliary Forming Process of Titanium Bellows
		WANG Guofeng1,2, CAO Fengchao1,2, YANG Chao1,2, ZHANG Letao1,2, ZHAO Tao1,2, ZHANG Kaifeng1,2
		DOI: 10.16080/j.issn1671-833x.2017.09.087
		By using self resistance of titanium alloy, electric current can be applied to heating it to high temperature quickly and forming. In forming process of titanium bellows, there are 4 important parameters to be determined, namely current size, heating time, bulging pressure and axial pressure. By observing and controlling the thermal field when heating the bellows, the best thermal field can be got. Through bellows forming process simulation, the initial experimental parameters can be got, which can provide a reference for subsequent experiments. By controlling thermal field and bellows forming process simulation, the bellows can be heated to molding temperature, then productivity is improved and pollution of environment is reduced, the excessive thinning of the bellows is avoided when using complex process of inflatable and axial load.
		2017 Vol. 60 (9): 87-91 [Abstract] ( 336 ) HTML^New PDF (3437 KB) ( 349 )

	92	Application of Man-Machine Engineering Simulation Technology in Aircraft Component Assembly
		WANG Wei, GAO Xuesong, MU Zhiguo, ZHANG Yingying
		DOI: 10.16080/j.issn1671-833x.2017.09.092
		With aircraft components assembly changing from rigid assembly to flexible assembly, unreasonable assembly process problems increase remarkably. Considering the comprehensiveness of components assembly process, the man-machine engineering simulation is introduced to solve this problem. By introducing DELMIA man-machine simulation mechanism, we build a human model using DELMIA man-machine simulation module. Taking the rigid assembly of a right wall plate fin type as an example, we establish man-machine simulation evaluation process, and expound the manmachine engineering simulation technology applied in rigid assembly and flexible assembly in detail.
		2017 Vol. 60 (9): 92-96 [Abstract] ( 318 ) HTML^New PDF (4170 KB) ( 553 )

	97	Study on Elongation After Shot Peen Forming for Integral Panel of Large Aircraft
		PENG Yanmin1,CHEN Jinping1,YANG Liang1,WANG Yongjun2
		DOI: 10.16080/j.issn1671-833x.2017.09.097
		Aiming at the elongation problem of the integral panel of large aircraft based on shot peen forming, this article from the factors influencing the integral panel elongation deformation in shot peen forming, through the comparison of theoretical calculation of wingspan shot peen forming strain and experimental data of elongation deformation, elongation law of integral panel in shot peen forming is concluded.
		2017 Vol. 60 (9): 97-100 [Abstract] ( 226 ) HTML^New PDF (1431 KB) ( 385 )

	101	Development and Application of Precision Manufacturing Technology of Composite in Aviation Field
		HE Kai, LI Chenglong, GONG Zhihong, YUAN Zhe
		DOI: 10.16080/j.issn1671-833x.2017.09.101
		With the development of combat efficiency ratio of military aircraft and fuel economy of civil aircraft, carbon fiber reinforced polymer composites with low density and high strength are widely used in aircraft. Composites molding tooling should be reduced in the use of support blocks, and the use of Invar steel manufacturing tooling improves the manufacturing accuracy of composite components. Low curing pressure during forming the composite member can cause internal defects in the composite member. Low heating rate and cooling rate can reduce the influence of temperature gradient on the deformation of the composite member. Bowl-shaped parts are precisely manufactured by compensating tooling and molding optimization of process parameters.
		2017 Vol. 60 (9): 101-105 [Abstract] ( 322 ) HTML^New PDF (1966 KB) ( 712 )

	106	Study on High Performance Epoxy Resin BA9914e and Composites for Resin Transfer Molding

		DOI: 10.16080/j.issn1671-833x.2017.09.106
		BA9914e epoxy resin system was prepared in this paper, and its properties of DSC, viscosity and heat resistant performance were studied; the composites U-3160/BA9914e and CF3031/BA9914e were also prepared with BA9914e and the domestic carbon fiber. The results show that BA9914e resin has good process performance, which is suitable for resin transfer molding, meanwhile U-3160/BA9914e and CF3031/BA9914e composites have the excellent mechanical performance.
		2017 Vol. 60 (9): 106-108 [Abstract] ( 619 ) HTML^New PDF (0 KB) ( 5027 )

Notices

·	'Aeronautical Manufacturing technology ' is included in EI database

·	China Science Citation Database (CSCD)

·	Chinese S&T Journal Citation Reports (CJCR)

·	World Journal Clout Index (WJCI) Report of Scientific and Technological Periodicals

·	Supported in China Science and Technology Journal Excellence Action Plan

·	Aeronautical Manufacturing Technology ranked No. 3 in Chinese S&T Journal Citation Reports (CJCR)

·	High Quality Sci-tech Journal Classification Catalogue in Aerospace Field （2023）

·	A Guide to the Core Journals of China (hosted by Peking University Library)

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