Calculation of time-varying friction torque of helical gear
According to the previous analysis, the friction perpendicular to the meshing line will cause the friction torque around the rotation […]
Scientific
Scientific
Effect of grinding speed on residual stress of cylindrical gear steel
Fixed cylindrical gear steel grinding speed vs = 20.3 M / s, cylindrical gear steel grinding depth AP = 50 […]
Scientific
Effect of grinding speed on residual stress of cylindrical gear steel
Fixed cylindrical gear steel speed VW = 1200 mm / min, grinding depth AP = 50 μ m. The test […]
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Causes of grinding residual stress error of cylindrical gear steel
The main causes of grinding residual stress error of cylindrical gear steel are as follows: (1) Idealized value of material […]
Scientific
Finite element modeling of grinding residual stress of bevel gear steel
In the process of mechanical thermal coupling analysis, it is necessary to change from thermal analysis of temperature field simulation […]
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Residual stress of grinding surface of spiral bevel gear steel
The residual stress on the grinding surface plays a vital role in various properties of the workpiece. It has an […]
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Gear transmission type
There are many types of gear transmission, which can be divided into different types according to different classification methods. 1.According […]
Scientific
Influence of grinding parameters on grinding force of spiral bevel gear
The variation law of grinding parameters on grinding force is studied, that is, the effects of grinding depth, grinding speed […]
Scientific
Hardness gradient of grinding strengthening layer of spiral bevel gear steel
Figure 1 shows the hardness change trend of the original sample without grinding of spiral bevel gear steel at different […]
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Machining status of spur gear and helical gear
1. Present situation of spur gear machining The processing method of face gear is similar to that of ordinary cylindrical […]
Scientific
Microstructure analysis of grinding strengthening layer of spiral bevel gear steel
Figure 1 shows the microstructure diagram of the section of the strengthening layer after grinding of 30crmnti. It can be […]
Scientific
Calculation method of time-varying friction force of helical gear
The friction force on the contact line of the helical gear. When the helical gear meshes through the node P, […]
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Basic parameters of helical gear
1.Helix angle: It refers to the angle between the teeth of helical gear and the axis. Helix angle is a […]
Scientific
Sample of grinding strengthening layer of spiral bevel gear steel
In order to observe the grinding strengthening layer of spiral bevel gear steel and the microstructure of the grinding surface, […]
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Experimental study on grinding strengthening of spiral bevel gear steel 30CrMnTi
For a long time, researchers at home and abroad hope to suppress and reduce the grinding heat generated in the […]
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Basic grinding test of spiral bevel gear steel 30CrMnTi
Referring to the actual processing conditions of spiral bevel gear, the basic test of surface grinding of gear steel material […]
Scientific
Comparison of forming technology of single and double ring rolling of spiral bevel gear blank
The two-piece spiral bevel gear blank has been successfully formed by using the finite element numerical simulation method. In order […]
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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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Manufacturing technology of spiral bevel gear in China
The research on the manufacturing technology of spiral bevel gear in China started relatively late. In 1971, Chinese researchers began […]
Scientific
Molybdenum disulfide (MoS2) coating technology for surface strength of Automobile Gears
Molybdenum disulfide (MoS2), as a high-quality solid lubricating material, has good antifriction, wear resistance and bearing capacity. Molybdenum disulfide (MoS2) […]
Scientific
Improvement of surface strength of automobile gears by manganese phosphate conversion coating
The application of manganese phosphate conversion coating process in improving the surface strength of transmission parts first appeared in the […]
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Gear transmission lubrication mode
The lubrication mode of gear transmission mainly depends on the circumferential speed of the gear. 1) For open gear and […]
Scientific
Precision forging process experiment of spiral bevel gear
The precision forging die of spiral bevel gear is processed and assembled in Qingdao Sanxing precision forging gear factory, and […]
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Gear transmission characteristics
Among various transmission forms, gear transmission is the most widely used in modern machinery. This is because gear transmission has […]
Scientific
Physical and mechanical properties of spiral bevel gear steel
During grinding, grinding force will affect the formation of grinding heat and the performance of workpiece surface, and then have […]
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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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
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 […]