Simulation Research on Gear of Helical Gear Pump
A group of suitable parameters are selected for simulation to obtain the toothed curve as shown in the figure. Through […]
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Helical Gear Differential Assembly with Locking Function and Function Description
Assemble the parts in SolidWorks to form an assembly of helical gear limited-slip differential with locking function as shown in
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Verification of Deformation Characteristics during Hot Precision Forging of Cylindrical Helical Gears
In order to verify the reliability of finite element simulation results, a coordinate grid test was carried out on a
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A spiral gear pump
At present, the product application of gear pump has been very wide.The structure of gear pump generally includes two spur
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Helical Gear Limited Slip Differential with Locking Function
Military off-road vehicles need good passability to adapt to complex road surfaces.The ordinary planetary gear differential has simple structure. Although
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Establishment of Heat Transfer-Deformation Coupled Finite Element Model for Cylindrical Helical Gear
Accurate three-dimensional geometric model of cylindrical helical gear is the precondition of establishing heat transfer-deformation coupling finite element model.The basic
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Failure Analysis of Broken Tooth of Large Helical Gear of Loader Drive Axle
During the installation test of a large helical gear of a loader drive axle during its development, it was found
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The future development trend of gear anti fatigue manufacturing technology
The development of gear machinery manufacturing industry in the world can be divided into three stages according to the characteristics
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Division of Tooth Deformation Stages during Hot Precision Forging of Cylindrical Helical Gears
The figure shows the load stroke curve of the cylindrical helical gear during hot forging.At the early stage of forming,
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Tooth Deformation Law of Cylindrical Helical Gear during Hot Precision Forging
Cylindrical helical gears are widely used in ship, automobile, aviation and other industries because of their smooth transmission, good engagement
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Accurate modeling of time-varying meshing stiffness of spur gear pair based on geometry and potential energy method
In mechanical transmission system, gear transmission system is the most widely used in power and motion transmission devices.Time-varying meshing stiffness
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China has a class 1 precision standard gear
In many important fields such as industrial production, aerospace and military equipment, precision gear processing technology plays a key role,
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Residual stress on tooth surface of spur gear forming grinding
Forming grinding of spur gears is to trim the grinding wheel into an outer profile exactly the same as the
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Online measurement of spur gears using machine vision
Gear is one of the most important parts in modern industrial production. In mass production of gears, on-line measurement and
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Contact temperature of spur gears
Gears are widely used in mechanical transmission. Due to the existence of tooth friction, the tooth contact temperature of the
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The main reducer of a helicopter’s coaxial gear split torsional transmission
The overall configuration of the main reducer of a helicopter’s coaxial gear split torsional transmission is shown in Figure 1.
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The load sharing of the cogwheel of a helicopter
The coaxial gear split torque drive is a new type of helicopter main reducer. The enhanced rotorcraft drive system program
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Gearbox gear of agricultural machinery tractor based on knowledge
Due to the crisis of aging population and the sharp decrease of agricultural labor force, China attaches more and more
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Advantages of gear transmission in civil aircraft engines
In order to reduce the unstable factors, the designer thought of the gear transmission technology, which is different from the
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Development of gear transmission technology for civil aircraft engine
For decades, the main structure of civil aircraft engine has not changed until the appearance of gear transmission technology. Gear
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To improve the quality of gear steel and promote the high-end gear industry
In particular, the plan proposes to implement a special plan for improving the quality of gear steel. At present, the
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“13th five year plan” gear industry will make full efforts to the high end
In the “13th five year plan” for the development of China’s gear industry (hereinafter referred to as the “plan”) previously
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Stable development of gear industry and development towards high end
Recently, Professor Zhang Ruifen of ZHY gear said at a gear industry seminar: “there are many fundamental technical problems of
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Independent innovation becomes the main theme of gear industry
In recent years, the gear industry is asking a question, where is the development direction of the industry? Where is
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Analysis of sliding rate of involute gear transmission
In the meshing process of involute gear teeth, the linear speed at a certain meshing point is different, except for
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Gear industry will usher in the fourth opportunity
Gear is a key basic component with large quantity and wide range, which is almost used in various fields of
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Future development of face gear manufacturing technology
The manufacturing technology of face gear is based on their manufacturing principles, which can be divided into three categories: Based
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Analysis and diagnosis of abnormal noise of tractor chassis gearbox
Abnormal noise is a common fault of tractor chassis. The abnormal noise is mainly caused by the damage of the
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Stress Analysis of Spur Gear Tooth Face during Powerful Shot Blasting
Shot peening is an important key link in gear production and manufacturing. When the steel shot repeatedly impacts the tooth
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Milling and planing of face gear
In recent years, Professor Tang Jinyuan’s team has explored the generalization of cutters for the processing of single piece and
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Identification of spiral spring on agricultural machinery
The coil spring can be divided into compression spring, torsion spring and tension spring according to the different loading conditions.
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Fracture failure analysis of ferrous powder metallurgical gear
Gear is a key structural part in modern transmission technology, its main function is to transmit torque reliably and without
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Heat treatment equipment and process of gears for automobiles and tractors
The correct heat treatment process must have the corresponding heat treatment equipment to ensure that the Shanghai brand car, Shanghai
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Identification of rolling bearing on agricultural machinery
There are many kinds of rolling bearings used in agricultural machinery. Only taking single row radial ball bearing and single
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Comparison of laser quenching technology for gears
As the core part of most machines, the performance of gears directly determines the degree of mechanical excellence. In the
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Heat treatment technology and service life of automobile and tractor gears
The service life of automobile and tractor gears is related to many factors, such as steel material, forging quality, precision
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The development direction of automobile gear factory in the future
In the future, the trend of automobile gear production plant will be toward design informatization, equipment intelligence, process automation, management
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Identification of gears on agricultural machinery
Gear is an important part of agricultural machinery, which has a wide range of applications. Although the working conditions of
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Profile of gear
Since the meshing line coincides with the common normal line of the tooth profile, and it is a fixed line,
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The history and present situation of the research on the efficiency of gear transmission
In mechanical transmission, compared with other transmission devices, gear transmission has the highest efficiency. However, with the increase of transmission
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Processing technology and existing problems of automobile and tractor gears
The gears of automobile and tractor are the basic parts with large quantity and wide range. In 1972, China produced
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Error curve of rack and pinion steering mechanism
The parameters of the steering mechanism of a model with rack and pinion steering mechanism are as follows: the wheel
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On the disassembly and installation of agricultural machinery
At present, China’s agricultural machinery repair is mainly replacement repair, which can not be separated from disassembly. Disassembly and installation
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Study on the efficiency of gear transmission
Gear transmission is the most common mechanical transmission in modern machines. It is a main form of transmission of machine
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Error analysis of rack and pinion steering mechanism
At present, the steering mechanism used in automobile can not fully meet the Ackerman steering principle, and can not realize
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Trouble shooting of transmission box of large wheeled tractor
1) There is noise during operation. The causes of the running noise of the transmission case specifically include: the transmission
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Trouble shooting of gearbox of large wheeled tractor
1) Difficult to shift. The gearshift difficulty caused by gearbox is usually caused by excessive wear or deformation of the
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Analysis of the stress direction of the gear rack of the Three Gorges ship lift
There are two possibilities for the design water depth to be higher or lower than 3.5m in each ascending or
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Analysis of the factors influencing the return difference of precision gear drive
Michalec, a British scholar, defines a high-quality gear with a tolerance of 0.0254-0.002 54 mm (0.001-0.0001 inch) as a precision
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Microstructure and properties of powder forging gear materials
Gear transmission of torque and power depends on the engagement of teeth, which is an important mechanical transmission part widely
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Correction of carburizing and quenching distortion of gear and gear shaft of reducer
1. Correction of gear distortion After carburizing and quenching, generally speaking, the increase of internal and external diameter is related
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Research on the measuring instrument of single face gear engagement
The face gear transmission is a kind of transmission in which the cylindrical gear and the face gear mesh, which
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Working principle of gear rack of ship lift for Three Gorges Dam
The ship lift of the Three Gorges project is located on the left bank of the Three Gorges Project and
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Suggestions on research and development of rack and pinion rigs in China
At present, the rack and pinion multi-functional drilling rig developed by TTS sense in Norway, American augers in the United
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Development status of rack and pinion rigs abroad
Since EDM company of Norway (became part of TTS sense company in 2007) launched 250K rack and pinion workover rig
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The future of gear technology in China
As human history enters the 21st century, it has become a consensus to build a digital earth. Manufacturing informatization brings
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The development of gear transmission technology in China
After the founding of new China, especially since the reform and opening up, the technology of gear transmission has made
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A historical review of the development of gear transmission in China
As we all know, China is an ancient country with thousands of years of civilization history, and it is no
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Causes and solutions of cold crack in automobile gear assembly welding
With the development of iron and steel, petrochemical industry, ship industry, electric power industry and automobile industry, all kinds of
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Scientific problems and development of surface strengthening of high strength automobile gears
1. Numerical simulation and scientific problems of gear surface strengthening In the field of scientific research and engineering technology, numerical