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
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Failure form and mechanism of automobile gear
The automobile gear is in the state of continuous load operation. There are both rolling and sliding between the meshing
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Effect of oil on fatigue strength, life and wear of automotive helical gears
Automotive automatic transmission lubricating oil (ATF) not only meets the lubrication of automotive helical gears and bearings, but also undertakes
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Main factors affecting shot peening effect of Automobile Gears
The best effect of shot peening strengthening treatment of automobile gears is affected by the interaction of different conditions. The
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Bending fatigue damage mechanism and materials of Automobile Gears
The strength of automobile gear is mainly the bending fatigue strength and tooth surface contact fatigue strength of gear. Figure
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Chinese and foreign automotive gear materials and gear process parameters
Modulus is an important parameter of gear. When selecting automobile gear modulus, factors such as strength, noise, lightweight and processing
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Establishment of finite element model of spur gear for truck
In previous studies, the ideal model without error is used in the numerical simulation of cold shaping of spur gear.
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Setting of initial conditions for numerical simulation of precision forging of spiral bevel gear
(1) Mold and blank materials can be directly selected from the material library of DEFORM software. The mold material is
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Mesh generation of numerical simulation of precision forging of spiral bevel gear
The mesh generation program of DEFORM-3D can divide the geometry into tetrahedral elements, and its mesh generation methods can be
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Solving forging forming force of spiral bevel gear by empirical formula method
The forging deformation force P of spiral bevel gear is determined by empirical formula: Where: C – shape complexity coefficient
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Simplification of tooth profile of spiral bevel gear
In order to facilitate calculation, the involute tooth profile of spiral bevel gear is simplified into linear tooth profile according
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Influence of sizing belt length L on spur gear forming
Sizing belt is one of the key process parameters to ensure the forming of spur gears. Whether the length of
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Structure of new precision forging die for spiral bevel gear
The figure shows the new precision forging die structure of spiral bevel gear. The working part of the die is
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Solving the forging force of spiral bevel gear by open die forging
By analyzing the forming characteristics of open die forging and the shape of spiral bevel gear forging, the plastic deformation
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Calculation of tooth profile volume of spiral bevel gear
The figure is the area differential diagram of the large end of the tooth profile of spiral bevel gear. Let
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Calculation of curved tooth length of spiral bevel gear
As can be seen from Figure 1, the shape of spiral bevel gear is relatively complex, especially its tooth shape