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2017 Vol. 60, No. 6
Published: 2017-03-15
FEATURE
FIGURE
FORUM
NEW VIEWPOINT
RESEARCH
C0NTENTS
COVER STORY
 
       C0NTENTS
6 contents
2017 Vol. 60 (6): 6-10 [Abstract] ( 80 ) HTMLNew PDF (3783 KB)  ( 338 )
       FEATURE
16 Explicit Force Control of a Cutting-Force Simulator for Numerical Control Machine Tools
FAN Rui, WAN Yinghe, WANG Dan, GUO Jiangzhen
DOI: 10.16080/j.issn1671-833x.2017.06.016
For reliability tests of machine tools, a load simulator based on a 3P-(4S) parallel mechanism is proposed.
An explicit force control system is designed based on a proportional-integral (PI) controller. A fuzzy logic is introduced
to adapt various following errors of output forces. A force feedforward is integrated to the system to develop its dynamic
performance and decrease the hysteresis of the output forces. Meanwhile, a position feedforward that predicted the position
of the spindle is designed to eliminate the disturbance caused by the unknown feeding motions of the spindle. Loading experiments
is conducted on a stationary and a moving spindle, respectively, to validate the feasibility of the proposed control
system.
2017 Vol. 60 (6): 16-21 [Abstract] ( 176 ) HTMLNew PDF (2107 KB)  ( 365 )
       COVER STORY
24 Function Requirements of CNC System for Intelligent Manufacturing
LI Bingran1,2, ZHANG Hui1,2,3, YE Peiqing1,2,3
DOI: 10.16080/j.issn1671-833x.2017.06.024
“Intelligence” is the core element of “China’s manufacturing 2025”, and the CNC system is the key to the
realization of intelligent manufacturing equipment. Firstly, the idea that the information interconnection and the open standard
data interface of the network machine tool are the premises for realizing intelligentization of CNC device is proposed.
Examples have been given to illustrate the advantages of STEP-NC in general data connection aspect. Secondly, The characteristics
of the communication bus which is suitable for CNC systems are summarized. Then on the base of these, the
importance of process data in the production process and the requirement of the new generation CNC system is introduced.
Aimed at the demand of manufacturing data platform, the data mining technology from big data is introduced. Based on the
above two points, we finally sum up the function that intelligent CNC system can have, relying on the technology of large
data platform. Implementation scheme of intelligent process planning and process parameter auto tuning as well as the convenience
of intelligent numerical control to high speed and high precision machining is mainly analyzed.
2017 Vol. 60 (6): 24-30 [Abstract] ( 189 ) HTMLNew PDF (942 KB)  ( 627 )
       FORUM
34 Research Status and Trend of Geometrical Error Measurement of CNC Machine Tools
DU Zhengchun1, YANG Jianguo1, FENG Qibo2
DOI: 10.16080/j.issn1671-833x.2017.06.034
CNC machine tools as the foundation of modern manufacturing industry, is a vital sign for the evaluation
of the national whole industry. With the development of science and technology, the requirement of machining accuracy is
getting higher and higher. The accuracy and precision stability of CNC machine tool is facing serious challenging. Therefore,
how to measure the error of machine tool quickly and accurately is one of the research hot points. The main measuring
method are reviewed from the perspectives of measuring instrument and measuring strategy, which include the laser interferometer,
laser tracer, laser volumetric error measurement, double ball bar, cross grid encoder, R-test, standard artefact
measurement. Also the research status of thermal error and cutting force induced error are briefly reviewed, and the main
challenging of the error measurement technology and the next development trend are analyzed. Also some proposals for our
unique techniques of the error measurement are given.
2017 Vol. 60 (6): 34-44 [Abstract] ( 220 ) HTMLNew PDF (5217 KB)  ( 1264 )
45 Comprehensive Error Modeling and Compensation of Servo Machining Platform
PENG Yunfeng, ZHANG Binwen, HUANG Ziqiang, SU Xing
DOI: 10.16080/j.issn1671-833x.2017.06.045
The geometric errors of the servo machine have important influence on the surface morphology of workpieces.
Based on the theory of multi-body systems, Firstly, this paper used the low body array to describe the topological
structure of the servo system. Then the homoogeneous transformation matrix between the adjacent bodies is explored to
establish the geometric error model. Secondly, Renishaw laser measurement system is used to identify positioning error,
straightness error, pitch error, yaw error and perpendicularity errors between two axes. The error values are plugged into
model to get the geometric synthesis error of machine tool. In the end, three different profile workpieces, which are convex
cone, plane and spherical surface workpiece, are selected as the experimental samples to verify error model in principle.
The results show that surface accuracy of three kinds of compensated workpieces improve by 25%, and the compensation
method can be used for controlling servo machining platform geometric error.
2017 Vol. 60 (6): 45-50 [Abstract] ( 160 ) HTMLNew PDF (2239 KB)  ( 322 )
51 Future Directions of Intelligent Machining Equipment for Aeronautic Structure
LUO Jinwei, LI Fei, LU Dawei
DOI: 10.16080/j.issn1671-833x.2017.06.051
The numerical control machining of aeronautic structure gradually enters into the intelligent era from
digital era with the advent of the 4.0 industrial era. The main characteristic is the integration and application of multi-agent
system, such as the software and hardware of the machine tool. The core technology lies in the intelligent identification of
machine tools, based on this, realization of intelligent clamp and fiducial recognition, real time monitoring of machining
system, intelligent matching of machining parameters, intelligent early warning for machining system.
2017 Vol. 60 (6): 51-54 [Abstract] ( 204 ) HTMLNew PDF (1458 KB)  ( 773 )
55 Experimental Research on High-Purity Tungsten Grinding
LI Jinyuan, JIN Zhuji,
DOI: 10.16080/j.issn1671-833x.2017.06.055
Comparative grinding tests are conducted with 80# green silicon carbide grinding wheel and diamond
grinding wheel to research the suitable wheels for the grinding of high-purity tungsten. The influence of the two grinding
wheels on the surface roughness is compared. Test results showed that surface roughness of the sample with green silicon
carbide grinding wheel is better. To analyze the variation tendency of surface roughness with different grinding parameters
and optimize the process parameters for the grinding of high-purity tungsten, processing tests are conducted with green
silicon carbide grinding wheel. Considering the surface roughness and machining efficiency, the applicable grinding parameters
for tungsten are: linear speed of grinding wheel vs=23m/s, depth ap=8μm, feed speed vw=10m/min, and the average
surface roughness with the parameters is 0.336μm.
2017 Vol. 60 (6): 55-59 [Abstract] ( 166 ) HTMLNew PDF (1785 KB)  ( 278 )
       NEW VIEWPOINT
60 Harmless Treatment Methods and Its Development of Electrochemical#br# Machining Sludge
ZHANG Mingqi, LI Hongying, CHENG Xiaoyuan, FU Junying
DOI: 10.16080/j.issn1671-833x.2017.06.060
The influence of electrolytic products on the environment and its solution are analyzed and discussed, and
processing methods for electrolytic products in the world are introduced, including technologies of online filtration, solidliquid
separation, electrolytic sludge treatment et al. Finally bipolar electrochemical machining as one online control technology
of harmful ions in electrochemical machining products is introduced.
2017 Vol. 60 (6): 60-66 [Abstract] ( 186 ) HTMLNew PDF (1520 KB)  ( 595 )
       RESEARCH
68 Integrated Control Technology of Lightweight Auto-Crawling Drilling System
WU Peng, TIAN Wei, LIAO Wenhe, XIANG Yong
DOI: 10.16080/j.issn1671-833x.2017.06.068
For the assembly requirements of the large parts of barrel section of the fuselage, the lightweight autocrawling
drilling system with two function modules composed of autonomous multi-leg mobile mechanism and multifunctional
end effector is designed. Based on the overall requirements of integrated control, the upper-lower computer hierarchical
control system is designed. And integrated control software of the host compute by using Microsoft Visual Studio
platform for planning tasks throughout the drilling and riveting system is developed , monitoring the implementation of onsite
machining task. Using software PLC technology of Beckhoff to realize real time control of terminal hardware of the
entire system. the hardware configuration based on industrial network and software configuration based on multi-software
platform are designed after making clear the overall scheme of integrated control. Finally, the robot’s walking and drilling
experiments are carried out on the surface tooling with different inclined angles. Experimental results show that the structure
design of the lightweight auto-crawling drilling system is reasonable, the performance of the integrated control system
is stable, the system can achieve the function of walking and drilling, and the quality of holes meets the requirements.
2017 Vol. 60 (6): 68-72 [Abstract] ( 143 ) HTMLNew PDF (1842 KB)  ( 488 )
73 Application of New Type Key-Locking Insert in the Resin Matrix Composites
ZHOU Hongfei1，LIANG Hengliang1,ZHANG Guoqing1，LIU Yu2
DOI: 10.16080/j.issn1671-833x.2017.06.073
Key-locked insert is a new-style fastener for screw threads, which has many advantages such as convenient
installation, reliably connection, easy disassembly, can solve some problems in use of wire thread insert. Combining with
the working experience, the structural characteristic of the key-locked insert and its installing principle are introduced. The
method of installation, technological parameter and application effect on the resin matrix composites are also discussed.
The results of application indicated that to use technology of pneumatic punching press can safety assembly, high installation
efficiency and easy disassembly in the resin metrix composites.
2017 Vol. 60 (6): 73-75 [Abstract] ( 185 ) HTMLNew PDF (1592 KB)  ( 332 )
76 Overview About Advanced Fighter Aircraft Structure Made With Titanium
LIU Zhicheng1, ZHANG Lijun2, XUE Xiangyi2,3
DOI: 10.16080/j.issn1671-833x.2017.06.076
The advanced fighter aircraft structure is fabricated with metal materials including aluminium alloy, steel
and titanium alloy materials. Due to both the high strength of steel and low density of aluminum, and the advantages of
corrosion resistance, titanium alloy is paid more and more attention on a new generation of weapons and equipment in the
countries all over the world and is widely used in structural materials, especially in the manufacture of advanced fighter aircraft
structure especially. Such the United States, Russia, and China’s third generation fighter and F-22 as a new generation
of fighter aircraft structures such as manufacturing titanium situation has been carried on the summary, especially for the
United States fighter of the titanium alloy design selection ideas and hot forming process are analyzed and discussed.
2017 Vol. 60 (6): 76-83 [Abstract] ( 272 ) HTMLNew PDF (1202 KB)  ( 1055 )
84 Fast Estimation Model of Manufacturing Cost of Composites Stiffened Panel
Lü Yi1，ZHANG Wei2
DOI: 10.16080/j.issn1671-833x.2017.06.084
In order to quickly estimate the manufacturing cost of composites stiffened panel in the early stage of design,
a manufacturing cost estimation model based on the weight of designed structure is proposed in this paper. The key of
the model is that considered the reasonable value of material cost ratio coefficient, manufacturing process coefficient, skin
shape coefficient, stiffener shape coefficient, material utilization ratio coefficient are, et al. In a case study on the cost estimation
of a validated test part, the deviation between the estimated cost and actual manufacturing cost is 10.8%, the results
show that the current model can be used to estimate the manufacturing cost of composites stiffened panel, which can provide
the basis for decision making.
2017 Vol. 60 (6): 84-87 [Abstract] ( 171 ) HTMLNew PDF (995 KB)  ( 428 )
88 Construction of Visual Inspection System for Riveting Quality of Aircraft Skin
JIANG Tao, FANG Hui, DONG Xiuli
DOI: 10.16080/j.issn1671-833x.2017.06.088
The riveting quality of aircraft skin is an important index to influence the performance of aircraft skin. On
the basis of analyzing the elements of the riveting quality inspection of the skin, a visual inspection system for the riveting
quality of aircraft skin is built. By analyzing the characteristics of image segmentation method in visual inspection system,
we use a method that combine improved genetic algorithm with OSTU method to segment the aircraft skin image and get
good segmentation results, and based on the segmented images, this paper introduces the method of extracting rivet feature
and the way to obtain the detecting elements.
2017 Vol. 60 (6): 88-91 [Abstract] ( 206 ) HTMLNew PDF (1068 KB)  ( 622 )
92 Research on Position Control Method of Welding Spot of Honeycomb-Structure
JIANG Letian, ZHOU Mengwei, ZHANG Jian
DOI: 10.16080/j.issn1671-833x.2017.06.092
Honeycomb-structure is an important sealing structure of the aeroengine, and the demand is increased with
the development of aeronautics and astronautics. The automation of tailor welded honeycomb is one of effective way to
realize the high efficiency production of honeycomb. In this paper, the position accuracy of welding spot which is the key
problem during automatic process of honeycomb and the disadvantage of original process and control system are analyzed.
Two kinds of position control mode under ACR9000 are proposed to make welding spot accuracy: one is based on the motor
encoder; The other is based on multi-axis synchronization. The results showed that two methods can achieve the requirement
of position accuracy of welding spot, and can ensure high quality and high efficiency production of honeycomb.
2017 Vol. 60 (6): 92-94 [Abstract] ( 135 ) HTMLNew PDF (881 KB)  ( 374 )
95 Riveting Unit and Technological Process of Robot Drilling and Riveting
HAN Jie, XIAO Qingdong, DU Zhaocai
DOI: 10.16080/j.issn1671-833x.2017.06.095
Analysis of riveting process and combining with the robot characteristics, the process of automatic
riveting system unit is determined. The problems of robot drilling and riveting unit process matching, feed control, and nail
rivetsing are solved. After the robot drilling & riveting system completes the automatic drilling, automatic riveting unit can
complete nail feeding, riveting and other functions. The riveting unit improves the drilling & riveting efficiency effectively.
2017 Vol. 60 (6): 95-99 [Abstract] ( 364 ) HTMLNew PDF (1754 KB)  ( 762 )
100 Vacuum Electron Beam Welding Technology Research on 30CrMnSiNi2A Ultra-High Strength Steel
ZHUANG Mingxiang1, LI Xiaoman1, XU Mei1, ZHANG Bingxian1, YANG Haiou2
DOI: 10.16080/j.issn1671-833x.2017.06.100
This study analyzed and discussed the vacuum electron beam welding (EBW) process of 30CrMnSiNi2A
ultra-high strength steel in bottom-lock welding form. The microstructure and mechanical properties of the welded joint
are studied by metallographic analysis, microhardness and scanning electron microscope (SEM), and analyzes the common
defects and preventing methods in welding. The results show that under the appropriate EBW parameters, 30CrMnSiNi2A
steel can achieve good weld appearance with better comprehensive mechanical properties, by X-ray and magnetic powder
flaw detection, the weld bead meet the requirements of class I weld, and this EBW welding procedure is successfully applied
to the airframe products.
2017 Vol. 60 (6): 100-104 [Abstract] ( 228 ) HTMLNew PDF (2966 KB)  ( 679 )
105 Optimal Design of Titanium Alloy Riveting Fixture Based on Heading Outline
FU Wenke，MA Guichun，WANG Ying
DOI: 10.16080/j.issn1671-833x.2017.06.105
Based on the theory of elastic-plasticity and the reverse engineering of a certain model, the riveted fixture
is optimized by calculation and numerical simulation through ordinary riveting method. The results show the optimum design
of this fixture can greatly increase the uniformity of interference after riveting, make residual stress distribution more
reasonable even come to an important assessment tools for detecting the amount of interference after riverting, and provid
an important reference value for the aircraft manufacturing process optimization and assembly efficiency improvement
2017 Vol. 60 (6): 105-109 [Abstract] ( 153 ) HTMLNew PDF (2041 KB)  ( 397 )
  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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