Quick sizing system composed by creel mechanism sizing mechanism drying mechanism winding mechanism and temperature-controlling mechanism. the four notes are put forward. Using this quick sizing system for JC20S, the yarns are tested before and after sizing. The results show that: after sizing, breaking...

This paper designs a intelligent car horn based on RFID(radio frequency identification and satellite navigation technology) Horn gets automobile accurate geographic position information by satellite navigation chip and realize the communication between the cars by the RF module.When the other car’s whistle...

By using the characteristic of tows and the core module surface, also including the demand of fiber placement, a family of wraps as fiber placement reference curves are presented based on equidistant calculation. A new algorithm for fiber placement of open contoured sculptured surface is proposed. Combined...

Faced with the fierce market competition, automotive parts enterprises should make a quick and accurate cost estimation of automotive parts so as to provide basis for decision making. It discusses the importance of quick and accurate cost estimation of automotive parts, and analyses the method of estimation...

The design of good performance and long service life, crankshaft affects the engine performance and fuel economy. It can reduce the consumption of materials and manufacturing cost. Thermodynamic calculation of mixed gas cylinder is analysised based on P-V diagram drawing, It compared with theory and...

In this paper, through the placement phase positioning equipment short-range observation station, the measured data of the geometric relationship of low precision ranging applications into the rear observation station, the current post observation station and the distance between the rear observation...

Being widely used in modern machinery and equipment, gears drive functions in transmitting motion and power at a specified gear ratio. Based on the general application of NC machining technology, it is increasingly important to realize the automatic production from the gear blanks to the finished gears...

In 21st century, with the urban population increasing, conurbation is getting more and more crowed,traffic jam happens everywhere. In this case, utilization of the underground space has become an effective way to undertake this set of problems. Subway, a kind of urban underground transport, it is convenient,...

In recent years, the construction project quality evaluation system is becoming more and more important . Therefore, to establish a complete and comprehensive quality evaluation system can guarantee the quality of construction projects, it can also promote the development of our country's construction...

Theories of Human Engineering (HE) are closely linked with design. It is also the guidance and evaluation of the process of design practice. Based on the characteristics of HE, this article aims to explore how to combine human engineering with design practice so as to stimulate students’ interests within...

This paper designs the straw collecting box of the corn harvester, which is used to recover the corn straw. In the process of harvesting the corn harvester, the device can be able to complete the task of straw collection, which can effectively reduce the labor intensity of the straw recycling, improve...

With the rapid development of information technology, the popular online shopping came into being, which have lead to a huge number of online shopping packaging waste, and become an important source of environmental pollution in the world. In this paper, the present situation and main problems of online...

The effect of uncertainty and its evolution with time on the system reliability design are investigated in this paper. The system design variables are modeled in Geometric Brownian Motions which using the drift rate and diffusion rate to describe the evolution-based uncertainty of variables. Based on...

A new kind of elevating mechanism for hybrid forklift has been designed. The 3D modeling for the upright mounting is using CATIA 3D software. And then, the elevating mechanism for hybrid forklift was simulated by the finite element analysis software ANSYS. Under different working conditions, such as...

It analyzes research on emotional design of ceramic packaging. It is based on Donalod Norman's emotional design , to analyze the positioning of ceramic packaging design. Through the analysis of the consumers’ motive of self-consume, duty and selfish motives, it associated analyses three ceramic packaging...

Now human beings are facing three major issues: resources, environment and population. Environmental problems are closely related to resources and issues of resources are the main reason of environmental problems. With the deterioration of environmental problem, people attach more importance to the study...

In the traditional product design method, the design method simply based on the knowledge and experience has hindered the efficiency of the product design, and it brings inconvenience to predict the tendency of the product shape. To solve this problem, a shape generation method is proposed, based on...

This paper has proposed a basic modeling in studying the driving system of the shoe-cover machine, built the multi rigid-body dynamical model and motion equations of this system, and proved the effectiveness and feasibility of R-W method to the special machine. Through ADAMS software, the dynamic simulation...

focuse on the background of traditinal chinese culture, judging footwear on the basis of generally explorethe two embroidered pattern footwear decorated with aesthetic art functions and features from which to explore of chinese traditional aesthetic and psychological thought.We based on the local culture...

Through the research of the main parameters, performance and advantages of shield mule,and the application process of working face equipment moving process of the ultra thick seam with full thick low caving coal mining technology in Tongxin mine,solved that has been existed since as the retreat time...

Based on the finite element analysis software ANSYS Workbench, studied the fluid-solid coupling numerical simulation of the pipeline centrifugal compressor impeller with the unstructured grid finite volume method and finite element method. The equivalent stress distribution of the impeller, which caused...

In this paper, the idea of UI space hierarchy of mobile terminal was put forward and the UI space was divided into four levels. Taking iPhone5 as an example, RGB, angle, opacity, size and other regional shadow parameter values were set first of all and then representative sample combination was selected...

Ball transmission mechanism is a new type power delivery structure. Based on the merits and demerits analysis of belt, chain, gear and fluid drive, the ball transmission mechanism is put forward. The structure and working process of same or reverse direction ball transmission mechanism were described,...

Hydraulic Confined Piston Engine (HCPE) is a new type power device especially suitable for hydrostatic driving vehicle. Its working process is influenced by complex coupling of liquid, solid and gas. Its working process simulation is the basis of later performance evaluation and design optimization....

Feature extraction is a major concern in 3D retrieval, which decides its performance and efficiency. Therefore, feature extraction and compression become the keys to guarantee the retrieval’s performance and speed. The process is as follows: firstly, transform the standard 3D model to 2D images by perspective...

The oilfield of Daqing placanticline is a typical multi-layer sandstone oilfield, which water flooding production occupies over 50% of the total yield of Daqing oilfield, and it has made great contribution to oilfield stable production. For the average water cut is more than 94% at present, a finer potential...

In order to optimize construction parameters of profile control in HX oilfield and improve the profile control effect, we studied the influences of permeability, oil saturation, water shutoff agent concentration and injection rate on profile control performance through orthogonal experimental method...

Based on the shadow observation method, author analyzes some problems when user makes coffee: items are too scattered to be effective for user. At the same time, according to the used frequency of each items, author analyzes the relationship among the items placed in the coffee cabinet, to make it more...

In order to prevent the four-wheel independent drive electric tricycle in differential drive active steering to understeer or oversteering. It is necessary to control the vehicle, thus setting up four degrees of freedom vehicle model and using the MRAC control strategy to control vehicle. Using simulink...

There are series of car accidents and thousands of losses because of icy roads in cold weather. So thermal water-jet cutting and mechanical milling deicing technology is developed and researched.It means that road is jetted with hot water and then the ice is removed by using milling cutter. The shape...

To meet the demands of rotating machine monitoring system for self-power, a novel PZT wind generator (PWG) was presented. The influence of magnetic force (number and configuration of the magnets) and wind speed on energy generation of the PWG was investigated experimentally. The research results show...

The research ranges of optimal operation for large pumping stations were analyzed. Energy losses of power transmission and transformation, pumping stations and water transmission should be considered when optimal models are constituted. Under the circumstances of pumping certain discharge or volume,...

As the problem of vehicle fuel consumption and environmental pollution has caused wide public concern over the recent years, improving vehicle fuel economy is extremely urgent. Through vehicle fuel consumption test on mini cars based on New European Driving Cycle (NEDC), the impact of energy-conserving...

According to the base theory of heat transfer, a thermodynamic for the permanent synchronous motor of hybrid electric vehicle was studied. The conception of temperature modulation factor was introduced; the temperature raise impacting the fundamental characteristics for motor was analyzed. Then the thermodynamic...

The high temperature heat pump water heater experiment of R1234ze was established, and the performance of water heater was studied on different conditions. The experimental results show that the water heater of R1234ze has shown good performance, which the discharge temperature is no more than 110 Cand...

In order to get the engine simulation model used for the development of control strategy, the offline model and real-time model of self-developed gasoline engine by FAW of direct-injection turbocharging were built based on AMESim software. The results of simulation were compared with that of actual engine...

In this paper, a kind of rotary and building ridge combined work machine was designed and manufactured on a rice paddy production. The tractor was used and land rotary tillage and ridging were completed at the same time. It mainly consists of the traction frame, machine frame, gearing parts, rotary parts,...

In view of the current shortage of electric forklift hydraulic elevating mechanism, a new type of hybrid forklift elevating mechanism was proposed. The design calculation was executed according to the maximum load, elevating height, elevating speed and other related design parameters. At the same time,...

Gravure printing machine Oven hot air dynamic performance and structural demensions directly affect the drying effect of print. In this paper, fluid mechanics is used to analyze kinematic and dynamic behavior of hot air flow in the oven of a gravure printing machine. The CFD method was adopted to do...

The internal cycloidal gear pump is one kind of oil pump, which consists of pump body, pump cover and rotors. It is widely used in the range of vehicles. A gerotor pump has various advantages such as compact size lower noise, less emissions and little pressure ripples for circulation of the fluid. In...

Based on the available theoretical and half empirical methods of gerotor pump design, the optimization of inlet and outlet cavities for an inner engaging ellipse gerotor has been presented. The interior flow inside of the optimized cavities and pump has been observed by using software Pumplinx, and the...

With the increasing of wind turbine unit capacity, heat load of thermal dissipation components of the unit increase greatly. In order to make the unit long-term stably and efficiency operation, the research and development of cooling system with high efficiency and low energy consumption become particularly...

The control rules of fuzzy neural network controller for flexible material path processing tangent following are acquired depending on prior knowledge of designers and experts in previous studies, this leads to the difficulty and error of the preliminary calculation. The paper studies and designs self-organizing...

As a kind of industrial handling vehicles, forklift plays an indispensable role in people's life. Nowadays, in order to meet the needs of the people, the types of forklift are more and more. In this paper, based on already the basic parameters of the push forward forklift in the market, the working device...

Based on one-sample special CNC machine tool, the failure distribution function and failure rate function, whose failure data have been analyzed by experiment, are determined in this paper. The special CNC machine tool time of which are in early failure or haphazard failure can be judged in terms of...

This paper presents a stability investigation of the water-lubricated journal bearings with rotating or stationary recesses. The dynamic coefficients and stability threshold speed of the bearings are numerically calculated by solving the turbulent Reynolds equation by using FEM. The theoretical results...

We designed an optical lens transmittance/ reflectance test system, which can measure both the transmittance and the reflectance of the sample under different incident angles at the same time, based on differential measurement. This paper elaborates the system composition and working principle, and demonstrates...

Analyzed was the effect of wind tunnel model determination accuracy on test data quality. The development was reviewed of wind tunnel model determination methods, principles and applications were compared and analyzed for the accelerometer, gyro, and optical measurement system whose drawbacks and advantages...

Hot stamping is a reliable way for the production of high performance auto parts with light weight. Hot stamping process requires pre-blanking steel sheet to be transported and processed at elevated temperature, and the performance of hot stamping products is closely related to temperature. This paper...