日本r级无码av bd

235宅宅理论电影

Research field

Focusing on the environmental protection and efficient manufacturing theory and its application, focusing on the cross research and comprehensive research as the research characteristics, combining with the research of relevant basic theories, methods and product applications, the theoretical methods and technical application system of high-efficiency, clean, energy-saving, precision, sustainable, compound innovative design and manufacturing and its technical application system are established Methods and technical issues, cutting-edge issues of science and technology and the needs of major national projects as the main research content, with the acquisition of original innovation achievements and independent intellectual property rights as the main goal, it can better serve the development of manufacturing industry in China and Shandong Province. The College of mechanical engineering will be built into a training base for senior professionals, a base for scientific innovation and research and a base for transformation of high-tech achievements under the framework of innovative talent training system and scientific and technological innovation system in China and with certain influence in the world.

     Based on the long-term work foundation and research characteristics of the college, it is concise Out Theory and method of efficient and clean processing Green design and manufacturing Energy saving mechanical equipment design Electromechanical equipment and control The main research directions are as follows: 1 The contents are as follows:

1. Theory and method of efficient and clean processing

     With the continuous emergence of new materials and new technologies, new and high-level requirements have been put forward for the manufacturing industry and manufacturing technology, especially the high-efficiency clean cutting (grinding) technology and special composite processing technology as the basic process of manufacturing technology have developed into high-speed cutting (grinding) and high-efficiency composite processing technology and processing methods Provide a complete set of high-efficiency processing technology for the characteristics of the new stage. This is a comprehensive effect based on the overall progress and innovation of manufacturing technology, which promotes the overall progress of high-efficiency precision machining technology and makes the overall level reach a new height. High speed cutting, high-speed grinding and high-efficiency special compound machining technology are the main development direction of high-efficiency precision manufacturing technology. High speed cutting technology is the main direction of cutting development. In developed countries, high-speed cutting technology has been widely used in aviation, aerospace, automobile, mold, high-speed locomotive industry, and has achieved great economic benefits.

     The main research contents are as follows: (1) basic theory and new processing technology of high-efficiency dry (quasi) cutting and hard cutting: it mainly studies the basic theory and processing mechanism of high-efficiency dry (quasi) cutting and hard cutting of difficult to machine materials (nickel based and iron-based alloys, titanium alloys, aluminum alloys, etc.), high-efficiency low-temperature cutting (cold air, nitriding, etc.) processing technology The cross scale theory of high-speed machining system, high-efficiency hard cutting technology based on strain gradient plasticity theory, stability of high-speed dry (quasi) milling, high-speed tribology, new ceramic tools and coated tools suitable for high-efficiency dry (quasi) cutting and hard cutting, alumina tungsten carbide titanium Nanocomposite Ceramic Tools, self-lubricating ceramic tools, etc. (2) High efficiency and clean special machining technology and equipment: mainly study the theory and application of ultrasonic vibration assisted gas dielectric EDM, research and equipment development of intelligent control ultrasonic vibration assisted grinding pulse discharge composite machining technology. (3) Precision abrasive water jet micro machining technology and equipment: mainly research on precision micro abrasive water jet machining technology and system, simulation of multi-phase flow field inside and outside the abrasive water jet nozzle, critical condition of erosion kinetic energy for brittle plastic transformation of workpiece material, high-efficiency and high-precision surface processing technology and equipment for hard and brittle materials.

     In recent years, we have undertaken 2 projects of national 973 program, 1 key project of National Natural Science Foundation of China, 1 National Science Fund for Distinguished Young Scholars, 2 overseas youth cooperation funds of National Science Fund for Distinguished Young Scholars, more than 20 general projects, 1 science and technology support plan for the 11th Five year plan, 1 National 863 program, and 1 Huo Yingdong foundation, The Ministry of education has five programs to support outstanding talents in the new century, one national excellent doctoral dissertation special fund, two national defense key research projects, about 37 provincial and ministerial level scientific research projects, and a number of horizontal cooperation projects. He has won one first prize of science and technology progress award of the Ministry of education, one first prize of science and technology progress of Shandong Province, three second prizes of natural science of the Ministry of education, one second prize of natural science of Shandong Province, one second prize of scientific and technological invention of Shandong Province, two second prizes of scientific and technological progress of Shandong Province, two national excellent doctoral dissertation awards and one national excellent doctoral dissertation nomination award, There are 1 excellent doctoral dissertation and 1 excellent master's dissertation in Shandong Province, and more than 10 national invention patents have been authorized. More than 530 papers have been published, and more than 370 papers have been included by SCI and EI.

   

(a)  Entry stage             (b)  Intermediate cutting stage             (c)  Cut out phase

Figure intermittent cutting Equivalent stress evolution of tool damage

  

Fig. developed ultra fine grain cemented carbide milling cutter Fig. high speed hard cutting experiment of nano composite ceramic tool

       

2. Green design and manufacturing

     In recent years, green manufacturing and sustainable manufacturing at home and abroad also began to receive high attention and attention. "Green manufacturing" is clearly listed as one of the three major ideas in the development of manufacturing industry in the outline of national medium and long term science and technology development plan (2006-2020) (hereinafter referred to as the outline); At the same time, it is also one of the key supporting technologies for national development of circular economy and construction of conservation oriented society, which are clearly pointed out and emphasized in several opinions of the State Council on accelerating the development of circular economy (GF [2005] No. 22) and the notice of the State Council on doing a good job in the key work of building a conservation oriented Society (GF [2005] No. 21). The implementation of green design and manufacturing technology involves many fields such as design evaluation technology, manufacturing technology, environmental technology and management technology in the whole life cycle of products. Therefore, the development of green design and manufacturing technology has an extremely important position and significance for the implementation of sustainable development strategy and the development of circular economy in China. The research of green design and manufacturing technology should not only pay attention to the application and development of green manufacturing technology, but also pay attention to the in-depth study of basic common key technologies. At present, the development trend of sustainable manufacturing technology can be summarized as follows: 1) product life cycle design and management; 2) Advanced recycling and remanufacturing science and technology integrated with high and new technology; 3) Long life, high quality and reliability promote the development of sustainable manufacturing.

     The main research contents of this direction include: (1) green manufacturing and remanufacturing: mainly study the life cycle design theory and evaluation method of mechanical and electrical products, research and development of fully degradable material products and their complete sets of equipment, research and application of common technology of low-carbon and energy-saving manufacturing, remanufacturing technology and its manufacturing process quality control and evaluation technology. (3) Three dimensional digital design and manufacturing: it mainly studies the numerical simulation method of complex mechanical and micro mechanical system, product development mode of mass customization, object-oriented distributed virtual design, collaborative work simulation engine and rapid virtual environment modeling theory and method, production process simulation and evaluation platform, CAE design of mechanical and electrical products.

     In recent years, the Department has undertaken 2 major projects and sub projects of the national 11th five year plan, 1 National 973 project, 4 863 project, 5 national defense project, 12 National Natural Science Foundation of China, 18 provincial and ministerial scientific research projects, and many horizontal cooperation projects. He has won one first prize, two second prizes, one first prize for teaching achievements and 10 other provincial and ministerial awards. He has published more than 300 papers and more than 150 papers have been included in SCI and EI.

 

Figure LCA evaluation model based on spatial characteristics of multiple environments in China

 

Fig. key technologies and complete sets of equipment for food and beverage products with complete degradation of biomass

Sound field analysis of ultrasonic cleaning

Distribution of longitudinal residual stress in cold welding layer of engine block

3. Energy saving mechanical equipment design

     For a long time, China's rapid economic development depends on the traditional extensive growth mode of high consumption, high emission and low efficiency, with low resource utilization rate and serious environmental pollution. With the rapid development of industrialization and urbanization in China, we are facing increasingly serious resource and environmental problems. Therefore, China must vigorously develop circular economy, take various effective measures in accordance with the principle of "reduction, reuse and recycling", so as to achieve the maximum economic output and the least waste discharge with the least resource consumption and the lowest environmental cost, realize the unification of economic, environmental and social benefits, and build a resource-saving and environment-friendly society. The characteristic of this direction is to combine the equipment design theory with tribology design, energy conversion theory and technology of thermal machinery, reliability theory and energy-saving theory, etc., improve the design system of energy-saving machinery and equipment, and form a new and interdisciplinary research field.

     The main research contents of this direction include: (1) energy saving design of mechanical equipment: mainly research on passive enhancement of mechanical vibration heat transfer, mechanism and equipment design of heat transfer enhancement by mechanical vibration, computational fluid dynamics simulation of energy-saving technology, dynamic characteristics and control of heat exchange machinery, energy-saving design theory and method of heat exchange components, etc. (2) Biomass energy conversion theory and equipment design and manufacturing: mainly research on biomass solidification molding theory and method, biomass gasification power generation and hydrogen production theory and method, tar forced cracking and gas efficient purification theory and method, high calorific value gasification technology and equipment. (3) Design and manufacture of new ceramic nozzle: the design and manufacturing theory and method of high performance and long life coal water slurry ceramic nozzle, structural optimization of ceramic nozzle and atomization mechanism of coal water slurry, thermal erosion mechanism of ceramic nozzle are mainly studied.

     In recent years, it has undertaken 1 National 973 Program project, 3 863 Program project, 2 National Natural Science Foundation of China, 2 major key research projects of Shandong Province, 10 provincial and ministerial scientific research projects, and many horizontal cooperation projects. He has won one first prize of science and technology progress award of Ministry of education, two second prizes of science and technology progress award of Ministry of education, one second prize of Natural Science Award of Ministry of education, and one first prize of science and technology progress of Shandong Province. More than 240 papers have been published and more than 100 papers have been included by SCI and EI.

 

   

The velocity vector distribution law of air distribution pipe, bed pressure distribution law and vertical fabric layer velocity distribution law

4. Electromechanical equipment and control

     In the research of electromechanical servo control, high-speed large feed precision positioning control and low-speed micro feed precision positioning is one of the important research contents. This includes dynamic detection and dynamic modeling technology of electromechanical motion system, precision measurement and compensation control technology of nonlinear friction. In terms of numerical control technology, open controller, as a common technology of industrial automation, is of great significance to the informatization and intellectualization of manufacturing industry. The research on open controller mainly focuses on standardized and modular software and hardware architecture, software CNC system, fieldbus, networked CNC system, software open controller based on STEP-NC standard, and intelligent control system based on STEP-NC Autonomous Intelligent CNC system.

     The main research contents of this direction include: (1) electromechanical system unit technology: mainly research on high-speed precision bearing and spindle unit, detection and control of high-speed rotor axis orbit, overall optimization and stability control of support system, precise positioning and control of high-speed large feed and low-speed micro feed in electromechanical servo control, mechanism and application of micro displacement high-frequency response actuator, High frequency response electro-hydraulic actuator, etc. (2) CNC system technology: mainly studies embedded control system and open automotive electronic control system based on quantum framework, STEP-NC intelligent CNC theory and method, open software high-end CNC platform based on real-time industrial Ethernet device layer communication.

Picture open Manufacturing automation control platform

 

 


Copyright © 2017-2020 School of mechanical engineering, Shandong University All Rights Reserved
Office address: Qianfoshan campus, Shandong University, 17923 Jingshi Road, Jinan City, Shandong Province postcode: 250061 Tel: 0531-88392608 Fax: 0531-88392608

http://6.kvxs.cnhttp://7.kvxs.cnhttp://2.kvxs.cnhttp://7.kvxs.cnhttp://6.kvxs.cnhttp://2.kvxs.cnhttp://8.kvxs.cnhttp://3.kvxs.cnhttp://7.kvxs.cnhttp://2.kvxs.cn