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
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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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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
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Ring rolling process of cylindrical gear blank
Ring rolling, in fact, can be regarded as a rolling process, which mainly carries out continuous local compression deformation on
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Noise reduction of planetary gear transmission system
Planetary gear train is an important gear transmission mechanism, which has the advantages of compact structure, small volume, light weight,
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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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Coupling dynamic modeling of helical gear modification and friction excitation
Through the research on the relationship between helical gear modification and friction excitation, the coupling dynamic model of helical gear
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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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Development of pre heat treatment of heavy truck gears
As we all know, the quality of gears is influenced not only by the steel itself, but also by the
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Driven spiral bevel gear forging blank
As a transmission part, spiral bevel gear is widely used in automobile, machine tool, ship, aircraft and other related fields.
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Development status of rack and pinion steering gear in China
Among the steering gears used by Chinese cars, in the last century, Jiefang automobile and Dongfeng Automobile used worm crank
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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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Influence of furnace charging mode on gear deformation
During gear heat treatment, carburizing and quenching, a reasonable furnace charging method shall be adopted according to the specific conditions
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Parametric design of automotive rack and pinion steering gear
On the basis of studying a large number of relevant data at home and abroad, this paper makes an in-depth
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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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Automotive rack and pinion steering gear system
The interface design of automobile rack and pinion steering gear model base the man-machine interface and man-machine interaction ability of
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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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Research status of dynamic characteristics of helical gears in China and abroad
The dynamic response characteristics of gear system refer to the dynamic behavior of gear system in the working process, mainly
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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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Parametric modeling of automotive rack and pinion steering gear parts
General products are composed of one or many parts. In order to realize the parametric design of products, we must
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Experimental analysis on heat treatment of one speed gear
1. Microstructure analysis of pre heat treatment After ordinary normalizing, the metallographic structure of the first speed gear blank is
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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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Situation of gear steel for heavy trucks in China
China’s truck gear steel basically follows the brand of the former Soviet Union. For a long time in the past,
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Parameter optimization design of automotive rack and pinion steering gear
This paper introduces automobile steering system and automobile rack and pinion steering gear, then introduces the current situation of automobile
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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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Development status of rack and pinion steering gear abroad
The steering gears commonly used in modern cars include recirculating ball steering gear, worm crank finger pin steering gear, rack
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Metallurgical quality of steel for truck gear
The metallurgical quality of steel for truck gear has the following requirements: 1.End hardenability At present, the bandwidth control of
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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 analysis results of aluminum alloy automobile gears
After the above experimental analysis and referring to the metallographic inspection of Automobile Carburized Gears, it can be observed that
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Effect of pre heat treatment on heat treatment deformation of cylindrical gear
The purpose of pre heat treatment is to obtain uniform and fine structure and completely eliminate stress. The pre heat
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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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Deformation control of heavy truck cylindrical gear after heat treatment
Taking 9t one speed gear parts as an example, the effects of different pre heat treatment methods on the deformation
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Fracture failure analysis of aluminum alloy automobile gear
Gear is an important part of automobile transmission device, which has the functions of changing movement direction, changing speed and
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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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Research status of gear friction excitation in China and abroad
For the research of tooth surface friction, more attention is paid to the heating and energy consumption caused by friction,
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Deformation analysis of truck gears before and after control hardenability strip steel
Three typical parts of heavy truck gearbox hc7s-120: first and second speed gear sleeve (representative of thin-walled castings), fourth speed
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Influence of material quality on deformation of truck bevel gear
Material quality is affected by multiple factors. Different origin, smelting methods, quality categories and supply forms of truck bevel gear
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Heat treatment process for controlling gear deformation
The process tests of 9T 34556 speed gear sleeve with different heat treatment methods, different heat treatment process parameters and
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Development of precision forging technology of spiral bevel gear
In 1674, Danish astronomer Romer used the enveloping cycloid as the gear tooth profile to obtain the gear with conjugate
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Pre heat treatment of gear blank of one speed gear
Through the process test of two different pre heat treatments on the deformation law of the parts after final carburizing
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Selection of carburized gear steel for heavy truck
From the above analysis of the service conditions and failure forms of gears, it is proposed that the performance requirements