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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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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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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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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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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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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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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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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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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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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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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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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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 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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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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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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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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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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Die forging process of driven spiral bevel gear blank of automobile rear axle
Die forging refers to the method of using die processing to make the blank finally form the forging. This forging
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Basic constraints of planetary gear train parameters
The number of teeth of planetary transmission cannot be selected at will. Normal transmission can be carried out only when
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Influence of deformation temperature on accuracy of spur gear
In actual production, the forming of workpiece is accompanied by heat generation, and the temperature of die and workpiece will
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Influence of carburizing process and equipment on gear deformation
1. Effect of temperature on gear deformation There is no doubt that with the increase of heating temperature and quenching
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Application of numerical simulation in cylindrical gear blank forming
The development of traditional cylindrical gear forming technology is a process through repeated tests by operators and years of experience
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Introduction of ring rolling technology for spiral bevel gear blank
Ring rolling process essentially belongs to plastic forming process. Through local deformation of spiral bevel gear blank, the overall forming
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Numerical simulation of precision forging of spiral bevel gear and analysis of stress field distribution
By analyzing the stress distribution in the forming process of spiral bevel gear forgings, we can fully understand the stress
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Modeling and analysis of automobile steering gear rack
The rack is an involute gear whose base circle radius is infinite, and its contour has changed from involute to
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Optimization of design parameters of planetary gear train
According to the relevant models and parameters of the involute planetary gear reducer, as shown in Table 1. An accurate
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Influence of different sizing belt length on the accuracy of spur gear
The sizing belt of shaping die is one of the important process parameters affecting the forming accuracy of spur gear.
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Heat treatment of automotive gear materials
The heat treatment strengthening technology of automobile gears should pay attention to the control of surface integrity, that is, to
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Numerical simulation of precision forging of spiral bevel gear and analysis of strain field distribution
Strain is a physical quantity used to express the deformation size of the deformed body. Through the analysis of the
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Interference analysis and inspection of virtual assembly of automotive rack and pinion steering gear
Interference analysis is one of the important contents of virtual assembly design of automobile rack and pinion steering gear. After
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Overview of virtual assembly of automotive rack and pinion steering gear
Virtual assembly of automobile rack and pinion steering gear refers to that in the virtual environment, designers can easily establish
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Basic parameters of automobile steering gear
The basic parameters of automobile steering gear mainly include the number of teeth, modulus, pressure angle, tooth width, displacement coefficient
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Steel for heavy truck gears
Foreign tests have proved that the supercooled austenite decomposition products during surface quenching of carburized steel are the main reason
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Comparative test of influence of material hardenability on deformation of truck gear
1. Test purpose Our company adopts high-grade and high-quality zocrmntih steel with 6 bandwidths according to the steel factory standard.
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Truck gear processing technology
1. Introduction to truck gear processing The cold working routes of the three parts are basically the same: forging –
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Automobile rack and pinion steering gear
With the continuous development of the automobile industry, enterprises gradually adopt light and fuel-efficient front wheel drive vehicles to replace
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Fracture failure inspection of aluminum alloy automobile gear
1. Analysis of fracture morphology of aluminum alloy automobile gear In order to analyze the fracture failure cause of aluminum
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Metal flow law of spur gear for truck under different shaping quantities
The tooth surface is reconstructed according to the numerical simulation results under different cold shaping methods. Compared with the other
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Basic research on heat treatment of automotive gear materials
Through gene analysis and basic performance experiment of automobile gear materials, it is very important to master the basic parameters
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Comparative test on the influence of pre heat treatment on the deformation of helical cylindrical gear
1. Test purpose Verify the influence of different pre heat treatment methods on the deformation of final carburized helical cylindrical
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Metal flow law of spur gear for truck under different cold shaping modes
Figure 1 shows the equivalent stress distribution of spur gear under different cold shaping methods. During full tooth shaping, the
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Contact fatigue mechanism and materials of automobile gear tooth surface
The fatigue damage of automobile gear tooth surface is caused by the repeated action of automobile gear on the tensile
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Numerical simulation of precision forging of spiral bevel gear and analysis of velocity field distribution
Through the speed field of precision forging of spiral bevel gear, the flow of metal blank in the forming process
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Analysis of the solution result of forging forming force of spiral bevel gear
As shown in the table, the forging deformation force of open die forging and non flash die forging of spiral
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Temperature field analysis of bevel gear during dual frequency induction heating
The dual frequency induction quenching process of bevel gear includes electromagnetic induction heating process and quenching cooling process. The temperature
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Setting of cutting parameters during gear hob
The cutting parameters of gear hob include cutting depth, cutting speed and axial feed. The determination of these parameters should