Test results of grinding residual stress of bevel gear steel
In 1997, Professor Wang Xibin of Beijing University of technology conducted an experimental study on the grinding surface residual stress […]
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Comprehensive meshing error of automobile planetary gear
The meshing error of gear teeth mainly comes from the error caused by gear processing and installation. Machining error mainly […]
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Modeling of automotive planetary gear system
The planetary gear transmission system of hybrid electric vehicle studied is composed of composite planetary gear mechanism and parallel axis […]
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Backlash of automobile cylindrical gear
In the cylindrical gear transmission system of hybrid electric vehicle, due to the need of lubrication and the manufacturing accuracy […]
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Influence of speed of spiral bevel gear on grinding force
Fixed grinding speed vs = 20.3 M / s, grinding depth AP = 50 μ m. The test is carried […]
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Analysis of relative meshing displacement between large planetary gear and ring gear
The direction shown in the figure is positive, φ R is the included angle between the connecting line between the […]
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Simulation conditions and solution method of coupling dynamic model of helical gear modification and friction excitation
① Simulation conditions Based on the established 8-DOF coupling dynamic model of helical gear system, Runge Kutta method is used […]
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Relative meshing displacement of small sun gear and large planet gear
Take the direction shown in the figure as the positive direction, φ S1 is the angle between the connecting line […]
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Establishment of dynamic model of automobile gear transmission system
Using the lumped parameter method, fully consider the nonlinear factors in the gear transmission system, such as time-varying meshing stiffness, […]
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Research on calculation method of helical gear meshing stiffness based on unit contact line length of helical gear end face
The dynamic excitation caused by the time-varying meshing comprehensive stiffness of helical gear system is one of the most important […]
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Effect of grinding depth on residual stress of cylindrical gear steel
Fixed grinding speed vs = 20.3 M / s and cylindrical gear steel speed VW = 1200 m / min. […]
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Orthogonal experiment of spiral bevel gear
The test mainly investigates the influence of the grinding process parameters of spiral bevel gear (grinding depth, grinding speed and […]
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Analysis of tooth surface roughness of spiral bevel gear
Surface roughness is not only the most important index to measure the surface morphology, but also an important standard to […]
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Influence of grinding depth on grinding force of spiral bevel gear
The fixed grinding speed vs = 20.3 M / s and the spiral bevel gear speed VW = 1200 mm […]
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Calculation results of time-varying friction excitation of helical gear
The calculation program of friction force and friction torque is compiled by MATLAB software. The total comprehensive contact line length […]
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Simulation results of grinding stress field of bevel gear steel
With grinding speed vs = 20.3 M / s and grinding depth AP = 50 μ m. The speed of […]
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Analysis of residual stress on grinding surface of spiral bevel gear
The influence of different grinding parameters of gear steel materials on the surface residual stress has been discussed in detail. […]
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Spraying technology of ultra-fine composite materials for automobile gears
In recent years, companies in Japan and Taiwan have studied and applied the spraying technology of composite materials containing MoS2 […]
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Analysis of grinding surface topography of spiral bevel gear
After the spiral bevel gear is processed under given grinding conditions, the tooth surface has no obvious defects such as […]
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Influence of grinding speed on grinding force of spiral bevel gear
Fixed spiral bevel gear speed VW = 1200 mm / min, grinding depth AP = 50 μ m. The test […]
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Grinding process parameters of spiral bevel gear
The grinding parameters of spiral bevel gear arranged by single factor test are shown in the table. Parameters Value Grinding […]
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Processing technology of spiral bevel gear
Before grinding the spiral bevel gear used for the test, ensure the same machining process and its machining process as […]
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Effect of grinding parameters on surface microhardness of spiral bevel gear steel
The microhardness of workpiece grinding surface corresponding to different grinding speed and grinding depth of spiral bevel gear steel is […]
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Effect of grinding cooling mode on residual stress of cylindrical gear steel
This paper studies the strengthening effect of cylindrical gear steel grinding on the surface properties of 30crmnti material. The main […]
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Analysis of micro hardness mechanism of grinding surface of spiral bevel gear steel
In the process of meshing transmission of spiral bevel gear, the surfaces of two teeth often need to contact and […]
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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 […]
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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 […]
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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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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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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 […]
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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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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 […]
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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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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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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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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) […]
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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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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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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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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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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 […]
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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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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 […]