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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Scientific
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
Scientific
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
Scientific
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
Scientific
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,
Scientific
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
Scientific
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
Scientific
Basic conditions of cylindrical gear rolling
The biting conditions of the above rolling ring can only ensure that the cylindrical gear enters the driving roller for
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Introduction to bevel gear
Bevel gear is also called bevel gear, bevel gear. Used for transmission between intersecting shafts. Compared with cylindrical gears, it
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Swing rolling of bevel gear blank
Swing rolling is a plastic forming method that rotates and swings on the bevel gear blank according to a certain
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Size calculation of spiral bevel gear blank and ring blank
The blank size of spiral bevel gear refers to the specific size of the material before the pier is rough,
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Heat treatment deformation control of heavy truck gear
The research on heat treatment deformation control of heavy truck gearbox gear is of great practical significance and great practical
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Research status of forming technology of spiral gear blank
In the 1970s, China just began to study the spiral gear blank. The early manufacturing processes were forging forming processes
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Preparation of spur gear blank
Cold extrusion process can produce extrusion parts quickly, continuously and in large quantities. In most cases, extrusion production has realized
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Design of die chamber for closed die forging of spiral bevel gear blank
The spiral bevel gear blank should be heated to 1150 ℃ for die forging, which belongs to hot die forging.
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Size calculation of spiral bevel gear blank
(1) Selection of diameter DP of spiral bevel gear blank Spiral bevel gear blank belongs to round cake forging, so
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Numerical simulation of precision forging of spiral bevel gear and analysis of temperature field distribution
The forming temperature distribution of the bevel gear is reasonable, which has a great impact on the forming quality of
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Characteristics of cylindrical gears
In the meshing transmission of cylindrical gear mechanism, there is a large tangential relative sliding speed along the tooth length
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Meshing transmission of gear mechanism of cylindrical gear
Name of each part of cylindrical gear (take spur gear as an example): l) Pitch circle diameter d ‘, graduation
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Meshing transmission of gear mechanism of cylindrical gear
Cylindrical gear is an important type of mechanical gear, and it is the most common gear style. When the gear
Scientific
Characteristics of hypoid gear transmission
1.Axis offset Hypoid gears are used for transmission between two shafts with staggered axes. The distance that the axis of
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Advantages and application of helical cylindrical gear
Helical cylindrical gear is a kind of helical gear. It is called helical cylindrical gear only when the two shafts
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Main names and definitions of gear teeth
1.Main names and definitions of gear teeth The code of the main names of each part of the gear tooth
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Virtual assembly process of automobile rack and pinion steering gear
The virtual assembly process is that the user changes the manual assembly operation process of the specified automobile rack and
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Brief introduction of hypoid gear
Hypoid gear is also called “elevation gear”. The conical surface is used as the indexing surface to approximately replace the
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Helical gear processing technology
Helical gears is the abbreviation of “helical cylindrical gear”, that is, the cylindrical gear whose tooth line is cylindrical helix,
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Forming technology of cylindrical gear blank and ring rolling ratio
The ring rolling ratio is the most important parameter in the forming process parameters. It shows the pRing rolling ratio
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Research status of forming technology of spiral bevel gear blank rolling ring
At present, the effective method to produce the driven spiral bevel gear blank of automobile rear axle at home and
Scientific
Simulation analysis of input end of planetary gear train
At present, the dynamic excitation of gear transmission system is divided into external and internal excitation. Among them, the external
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Research status of forming technology of spiral bevel gear blank rolling ring
Taking the automobile rear axle driven spiral bevel gear blank processed by ZHY gear as the research object, its original
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Heat treatment process of heavy truck gear
At present, foreign automobile manufacturers generally adopt isothermal annealing treatment for truck gear forging blank, and specify different isothermal annealing
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Brief introduction of driven spiral bevel gear of automobile rear axle
Automobile rear axle is also called drive axle. It not only bears the load, but also acts as differential and
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Automobile rack and pinion steering gears
With the enhancement of China’s national strength, China’s scientific level has been greatly improved. At the same time, it has
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Noise reduction and parameters of planetary gear transmission system
After the precise gear change model of spur gear is established in the software of SolidWorks. Through the comparison and
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Basic conditions of cylindrical gear biting
Cylindrical gear biting is a very complex process. The specific biting model is shown in Figure 1. In the figure,
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Main performance indexes of planetary gear
(1) Transmission error Transmission error refers to the difference between the actual occupied position and the ideal position of the
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Selection of forming process for spiral bevel gear blank
By comparing the advantages and disadvantages of various forming processes and combining the process methods of producing spiral bevel gear