Development of face gear transmission
In recent years, the research on face gear transmission has been carried out abroad, and the team led by F. […]
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Overview of manufacturing technology of spiral bevel gear
In the 18th century, the French geometer T. Olivier first proposed the concept of spiral bevel gear, but due to
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Precautions for rack and pinion transmission
For the rack and pinion transmission with impact load, the following aspects should be paid attention to: It is better
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Time varying contact line algorithm for helical gears
The contact line of helical gear is the intersection of the meshing tooth surface and the meshing plane of the
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Advantages and disadvantages of rack and pinion drive
The gear rack will have its own unique motion characteristics in the transmission process: the gear transmission is used to
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Profile modification of helical gear
Helical gear is the most commonly used type of automotive power transmission gear. Generally, it must work under the condition
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Development of gear forging products
There are teeth on the rim of gear forgings, which can continuously mesh and transmit motion and power. The application
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Introduction to helical gear
Gear is a common part often used in mechanical transmission. The gear is made of high-quality high-strength alloy steel with
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Process dimensions of two-piece ring rolling of spiral bevel gear blank
The spiral bevel gear blank formed by the two-piece ring rolling process, that is, the two spiral bevel gear blanks
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Grinding surface integrity of spiral bevel gear
The application of surface integrity index to comprehensively evaluate the surface machining quality of spiral bevel gear is of great
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Study on grinding surface performance of heavy duty spiral bevel gear
Heavy duty spiral bevel gear has many excellent characteristics, such as stable transmission performance, low noise, large transmission torque and
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Surface strengthening technology for anti tooth contact fatigue of Automobile Gears
As shown in the figure, the failure zone diagram of automobile gear transmission made by Nieman, Professor of Munich University
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Research on new shot peening technology for automobile gears
With the development of science and technology, as an important technology to introduce residual compressive stress, change the microstructure of
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Friction conditions of precision forging of spiral bevel gear
Friction between the metal die and the forging die is inevitable. Friction in metal plastic forming mainly has the following
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The gear transmission in which cylindrical gears and bevel gears mesh with each other is called face gear transmission
The gear transmission in which cylindrical gears and bevel gears mesh with each other is called face gear transmission. As
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Friction coefficient of spiral gear blank forming process
The friction coefficient is affected by lubrication. The better the lubrication effect is, the smaller the friction coefficient is. The
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Development trend of gear forgings
Internationally, the power transmission gear forging device is developing in the direction of miniaturization, high speed and standardization. The application
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Types and properties of internal dynamic excitation of helical gears
The dynamic excitation of helical gear system includes internal excitation and external excitation. The internal excitation of helical gear pair
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Surveying and mapping method of spur gear
In order to make the gear rotate in both directions, the tooth profiles on both sides of the tooth are
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Application of gear forgings
There are teeth on the rim, which can continuously mesh and transmit motion and power. The application of gear forgings
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Forming technology of two-piece ring rolling of spiral bevel gear blank
Because the spiral bevel gear blank formed by the two-piece rolling process is a symmetrical figure, the 1/2 model is
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Forming technology of driven spiral bevel gear blank of automobile rear axle
As an important transmission part, the driven spiral bevel gear of automobile rear axle bears a large load, so the
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Dynamic transmission error of spiral bevel gear with real tooth surface
Spiral bevel gear is widely used in automobile transmission system. Its transmission error is an important basis to evaluate the
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Particle peening and compound peening of Automobile Gears
Strong shot peening can greatly increase the residual compressive stress near the surface of automobile gear, promote the transformation of
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Precision forging speed of spiral bevel gear
Forming speed is also an important factor affecting the precision forging of spiral bevel gear. Because the process of plastic
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Interface design of automotive rack and pinion steering gear system
The automobile rack and pinion steering gear assembly is an important steering component of many automobiles. The automobile rack and
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Development trend of gear manufacturing
Internationally, power transmission gear devices are developing in the direction of miniaturization, high speed and standardization. The application of special
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Components of spur gear
Classification Meshing mode Basic feature Spur gear external meshing, internal meshing, gear and rack The contact line of tooth profile
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Classification of spur gears
Spur gear is a classification of gears. According to the relative position and tooth direction of a pair of gear
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Defect analysis of spiral bevel gear blank
To measure the standard of qualified spiral bevel gear blank, in addition to achieving the shape and dimensional accuracy, the
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Coupling dynamic modeling and noise analysis of helical gear modification and friction excitation
Taking helical gear as the research object, through the analysis and research of static transmission error, friction excitation and helical
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Metallography and hardness test of spur gear
The microstructure of spur gear tooth profile is deformed by compound forming, and the grain shape and size are also
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Automobile gear strong shot peening
In the research of surface strengthening technology for bending fatigue strength of automobile gears, Japan has studied and developed various
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Initial temperature of precision forging of spiral bevel gear
In order to investigate the influence of initial forging temperature on the precision forging of spiral bevel gear, the initial
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Design of main interface of automobile rack and pinion steering gear system
The design of the main interface of the rack and pinion steering gear is very important in the process of
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Influence of part shape on deformation of truck gear
The shape of parts is a very important factor affecting the deformation size and deformation trend of heat treatment, which
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Forming technology and die size of spiral gear blank
Drive roll and core roll are the main ring rolling dies for the forming of spiral gear blank, and their
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Forming process and limit wall thickness of spiral gear blank
Due to the condition control of biting in and rolling through of spiral gear blank, the ring wall is too
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Size and shape analysis of formed spiral bevel gear blank
The formed spiral bevel gear blank is formed by ring rolling based on the ring blank. Through numerical simulation of
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Development of gear forgings in China
Most middle and low-grade gear molds can be produced in China, and most high-end gear molds rely on imports. There
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Brief introduction of helical bevel gear
Helical bevel gear refers to the bevel gear whose tooth line on the crown wheel is a straight line that
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Cylindrical gear transmission
The gear transmission used to transmit power and motion between parallel shafts. The transmission power and speed of cylindrical gear
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Development of carburizing and quenching process for truck gears in China
Compared with similar products in advanced countries, the quality of truck gears in China lags far behind, with an average
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Study on calculation method of friction excitation and stiffness excitation of helical gear
As an important part of the transmission system, helical gear generates dynamic meshing excitation during operation due to the change
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Automotive rack and pinion steering gear system
Perfect product criteria and reliable product design knowledge are the guarantee for the rapid establishment and correct design of product
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Principle and method of bevel gear partial milling
Principle The teeth and grooves of bevel gears are contractive, that is, they are wide at the big end and
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Forging process of spiral bevel gear
Make full use of CAD two-dimensional software, CATIA three-dimensional software and DEFORM-3D finite element numerical simulation software to carry out
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Rigid plastic finite element simulation of ring rolling process of spiral bevel gear blank
The ring rolling process of driven spiral bevel gear blank of automobile rear axle is analyzed. The forming of spiral
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Simulation analysis of forming process of single ring rolling of spiral bevel gear blank
Before ring rolling, the formed spiral bevel gear blank has to go through four steps: pier roughening, pre punching, punching
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Numerical simulation of ring rolling process of spiral bevel gear
Through a large number of numerical simulation experiments, on the basis of the theoretical calculation size of the ring blank,
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Dimension and accuracy test of spur gear
Figure 1 shows the spur gear processed by the through continuous “cold extrusion + cold shaping” composite forming process. The
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Basic experiment of automobile gear
Japan and Germany have done a lot of research in the basic research field of automobile gears. Steel roller test
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Manufacturing technology of bevel gear
Firstly, the hobbing principle is used to make the processed bevel gear and the imaginary shovel gear do the relative
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Load analysis of precision forging of spiral bevel gear
As shown in the figure, the load stroke curve of precision forging of spiral bevel gear is shown. From the
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Machining of bevel gear
Bevel gear is mainly used for transmission where two shafts intersect. The included angle between the two shafts is usually
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Gear forging products
There are teeth on the rim, which can continuously mesh and transmit motion and power. The application of gears in
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Basic theory of helical gear dynamics and calculation of static transmission error after modification
Helical gear system is a complex elastic mechanical system composed of gear pair, transmission shaft, bearing and box. In the
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Foreign trends of carburizing and quenching process for truck gears
Carburizing and quenching of truck gears is a key process in the process of gear quality control. Many key characteristics
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Development of gear forgings in China
China’s gear forging industry has developed rapidly during the Tenth Five Year Plan Period: in 2005, the annual output value
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Parameter optimization of automotive rack and pinion steering gear
Complete the parametric design analysis and research of automobile rack and pinion steering gear based on CATIA. In the implementation