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
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
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
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
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,
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,
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
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
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
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
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
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
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
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
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
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
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
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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,
Scientific
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
Scientific
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.
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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,
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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.
Scientific
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
Scientific
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