Search results

Research on Plastic wood composite materials production technology Huang fang Eastern Liaoning University, Chemical Engineering and Materials Science, Liaoning Dandong 118000 3x.931@163.com Key words: composite material; production technology; study Abstract.Wood flour is inexpensive, and can be used as a reinforcing agent to improve the mechanical properties of high density polyethylene, reduce cost.
Wood composite materials production process design Raw materials processing technology Production of wood composite materials the materials used90% make waste recycling material, is put into production before the use of cleaning, crushing and drying process.
Plastic wood composite materials production process Production process flow chart Plastic wood composite material can be processed into a particular shape specifications material.
Production of several key issues In order to ensure that the wood composite materials products manufacturing, products have to meet the lower production cost and higher performance; ensure that the material in the production process has good fluidity; ensure that PE and wood powder full bonding, reaching the composite properties, care must be taken to solve several problems.
Composite Materials: Engineering and Science.

Acoustic Resonance Spectroscopy for Hazards Materials Classification Lujun Zhou1,a, Qiang Chen1,b,*, Jianqing Fang2,c 1Department of Control and System Engineering, Nanjing University, Nanjing 210093, P.
For prevention of these accidents, a key problem is how to determine Hazards materials safely, quickly and accurately in the sealed container.
International Journal of Engineering and Technology, 2012, 2(4)
Journal of hazardous materials, 2006, 133(1): 1-7
Young, “Vibration Problems in Engineering”, Fifth Edition, John Wiley and Sons. 1990

Application of Reverse Engineering for Redesigning and Manufacturing of a Printer Spare Part Ivan BURANSKÝ1,a, Ladislav MOROVIČ2,b, Jozef PETERKA3,c 1, 2, 3Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Production Technologies, Department of Machining, Assembly and Forming, Jána Bottu 25, 917 24 Trnava, Slovakia aivan.buransky@stuba.sk, bladislav.morovic@stuba.sk, cjozef.peterka@stuba.sk Keywords:, 3D digitization, photogrammetry, 3D scanning, structured light, Reverse Engineering, CAD, CAM, CNC turning, 5-axis CNC milling, Rapid Prototyping, Poly-Jet Modeling Abstract.
The paper deals with the application of Reverse Engineering (RE) in the process of redesigning and manufacturing of a printer spare part.
Printer spare part generation using Reverse Engineering PSP digital 3D model generation using RE can be divided into two methods.
Kovařík: Use of reverse engineering for creation of spare part to printer.
Key Engineering Materials Vol. 473 (2011) p. 352-359, doi:10.4028/www.scientific.net/KEM.473.352 [11] Hsin-Te Liao, Le Manh Trung: Optimization on selective fiber laser sintering of metallic powder.

Study on the quality management of construction enterprise S.Z.Ren 1, a and G.J.He 1,b 1College of Civil Engineering and Mechanics, Central South University of Forestry and Technology, Hunan, Changsha, 410004 a64284055@qq.com, bcegjhe@hotmail.com Keywords: quality management, construction enterprise, engineering quality.
Quality management was the key to the survival and development of construction enterprises.
Shoddy engineering damaged to the corporate image, and would bring great negative influence.
For the subentry project of new technology, new materials, new technology and poor construction experience, it should have advance training for personnel.
The so-called "detail treatment", was a tradition, it consisted of two layers of meaning: "detail" generally referred to the construction of large area outside the small parts and the sub-projects junction with different materials and different approaches.

New technology and mechanism study of the bearing enhancement of broken rock zone in underground rock roadway Pengwei Hao1,2,a, Hailong Dong2,b, Zhaohui Liu1,c, Jingpei Li1,d, Laiwang Jing2,e 1 School of Civil Engineering and Mechanics, China University of Mining and Technology (Beijing), Beijing, China, 10083 2 College of Science, Anhui University of Science and Technology, Huainan, Anhui, China, 232001 a57066490@qq.com, b824426446@qq.com, clzh4969183@163.com, dLijp6666@126.com, elxybg@aust.edu.cn Key words: broken rock zone, bolt support, floor heave, equivalent stress Abstract: Treating surrounding rock as absolutely loose mass helps to determine positions of the four “key reinforced points” in roadway, in other words, they are juncture locations between 45 degrees angle directions of two arch haunches and two footwalls.
Surrounding rock deformation can be effectively controlled with the help of reinforcement on “key reinforced points”, furthermore, it is possible to save lots of supporting materials, in short, it is a very effect way.
Stability of roadway surrounding rock is similar to human body in some places, reinforcement for one position will have big or small impacts on other positions, so it is necessary to treat surrounding rock support as a systems engineering, never “to doctor the head if be headache, to doctor the foot if be foot-ache”. 3 Significances of key reinforced points Finding out key reinforced points accurately, can not only control deformation of surrounding rock effectively, but also can save lots of supporting materials.
(3) It brings some peculiar abilities of reinforcement materials (anchor bolt, anchor cable) into full play, translates geo-stress that should bear by surrounding rock into that should bear by support.
COPPER ENGINEERING, 2010,1: 16-20

A Brief Study on Modeling and Finite Element Analysis of Car Rear Sub-frame based on Intelligent Materials Ying Shi1, a and Liang Wang2, b 1School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo P.R.
China, 250109 a shiyingsd@163.com, b wang9813@sina.com Key words: Sub-frame, Reverse Engineering, Static Analysis, Modal Analysis.
This paper uses a rear sub-frame as the mother model and uses Reverse engineering technology to measure the rear sub-frame point cloud through ATOS non-contact scanners.
Finally, the sub-frame model is divided into 16615 tetrahedral elements.16623 nodes; each tetrahedron edge length is about 10 mm. 2.2 Sub-frame materials and properties assigned Sub-frame structural steel used parameters: elastic modulus 215Gpa, Poisson ratio 0.3, density 7.801 × 10-6kg/mm3.
Material Mechanics.

Method of Lines to Solve the Linear Temperature Field of LENS Chun-fang XUE Armored Force Engineering Institute, Department of Mechanical Engineering, China xchunfang@sina.com Keywords: Laser Engineered Net shaping, Method of Lines, temperature field.
In addition, when LENS used in aerospace equipment key structure of high temperature components and properties of laser cladding rapid repair upgrade remanufacturing, parts partial or whole parts belong to the heterogeneous materials.
Graded materials by using LENS, material property change along the thickness direction, thus simplify the model as shown in fig. 1.
Such as manufacturing metal - ceramic gradient materials, ceramic powder melting point higher than metal powder (e.g., Si3N4 melting point is 1700 ℃), if the laser power density is small, cannot make molten powder materials.
Key Engineering Materials, 353-358(2007)2003-2006

China adouxiangsheng@tsinghua.org.cn, b470163352@qq.com, c742157517@qq.com, d562364572@qq.com Keywords: Green Infrastructure, Green urban planning, Green engineering-form infrastructure, Urban green space network Abstract.
By its very nature, green infrastructure includes the engineering-form infrastructure with micro-energy, high efficiency and low pollution and the urban green space network.
By their very nature, green infrastructure includes the micro energy, high efficiency and low pollution engineering-form infrastructure and the city green space network.
Compared with green engineering-form infrastructure, city green space network may be implemented more easily.
He: Applied Mechanics and Materials Vol. 522-524(2014), p.1622-1626

Stress analysis of isotropic material flywheel battery rotor Shuangqing Tang1, a*, Xing Xia1,b 1School of Mechanical & Material Engineering of China Three Gorgers University, YiChang, China a18671797707@126.com, bemail Keywords: isotropic; composite materials; stress analysis; flywheel battery Abstract.
The strength of metal materials is far less than the new composite material, such as carbon fiber.
However, the price of the metal material and manufacturing cost are much lower than composite materials, which makes isotropic material much more practical for flywheel rotor.
The key factor of rotor material is the ratio of σ/ρ.
Journal of Composite Materials.1977，11: 395-404

The Design and Analysis on 200 Liters Large Material Barrels with Double L-rings Zhang Deqiang1, a, Li Yu1,b, Li Jinhua1,c 1Faculty of Mechanical Engineering and Automation, Liaoning University of Technology, Jinzhou 121001 a 13941607815@163.com, b 15443042@qq.com, c llijinhua@163.com Key words: Large material barrel; solidworks; Finite Element Analysis; Structural optimization Abstract: Structural design and optimization of 200 liters large material barrels with Double L-ring are studied, Stacking stress analysis and optimization analysis in SolidWorks Simulation Finite Element Analysis plug-in three-dimensional model of the material barrel, Plug-in of Finite Element Analysis SolidWorks simulation is used to get the result of analysis for stacking stress, optimization and dropping test.
System design ideas According to the two L-ring drums 200 liters of large material requirements for use in three-dimensional modeling environment solidworks design 200 liters barrel three-dimensional model of large materials, then built by stacking three-dimensional stress analysis of materials bucket model.
（b）Top Enlargement （c）Bottom Enlargement （a）Cutaway view Fig.2 Constraints and loads Fig.1 Material barrel dimensional view Product structure design method Double L-ring 200 liters overall shape of a large barrel of materials shown in Fig. 1.a, materials have a barrel top and bottom L rings, so called double L ring, L-ring drums in the material stacking, handling, lifting and material barrel drops serve to strengthen the role of strength.
These are not included in the simulation parameters of the factors that will affect the results actually Acknowledgements Key technologies and related mold manufacturing technology research（Liaoning Province Key Laboratory of funded projects LS2010080）.
Blow molding of plastic raw materials, technology and equipment development [J].