Optimization of precision forging parameters of spiral bevel gear
During the simulation, the temperatures of 900 ℃, 950 ℃, 1000 ℃, 1050 ℃ and 1100 ℃ are selected, and […]
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The influence of the gap size of the outer shunt on the metal forming force of the bevel gear
The size of the outer shunt gap is determined by the distance between the lower end face of the upper
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Finishing quantity and forming force of bevel gear tooth blank
The figure shows the relationship curve of forming force corresponding to the finishing amount of bevel gear tooth blank. As
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Effect of internal split clearance on metal forming force of spur gear
The size of the inner shunt gap is determined by the distance between the lower end face of the punch
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Influence of the position of the outer split surface on the filling quality of the spiral bevel gear tooth profile
The influence of the change of the relative position of the outer split surface on the tooth shape quality of
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Establishment of structure and acoustic finite element model of helical gear system
① Establishment of structural finite element model of helical gear system The acoustic grid requires the grid size to be
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Design of preform for spiral bevel gear
The shape of preform has a great influence on the cavity filling, material consumption and forming force of metal in
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Theoretical analysis of noncircular gears
Analyze each tooth of the meshing diagram of the driving wheel and driven wheel, number each tooth, as shown in
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Comparison of forming schemes of spiral bevel gear
Under the condition of ensuring the same volume and shape of the preform of spiral bevel gear, the internal split
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Establishment of finite element model of spiral bevel gear
Because DEFORM-3D software does not have the function of 3D modeling, UG modeling software is used to establish the solid
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Analysis of precision forging test results of spiral bevel gear
Figure (a) is the sectional grid diagram of some forgings before precision forging of driven spiral bevel gear, figures (b)
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Driven spiral bevel gear of automobile rear axle
The driven spiral bevel gear of an automobile rear axle is taken as the research object, and its part structure
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Kinematic analysis of noncircular gears
Using ADAMS software, the kinematics of non-circular gear is analyzed to verify whether the output transmission ratio of non-circular gear
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Driven spiral bevel gear of automobile rear axle
Figure 1 is the structure diagram of the designed precision forging part. Because the tooth surface of the spiral bevel
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Present situation of processing technology of spiral bevel gear
At present, the main processing method of spiral bevel gear is cutting method, and its whole production process is: blank
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Optimization of blank shape of spiral bevel gear
In UG software, open the forging drawing interface, and open the analysis → measuring body → selecting body → volume
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Influence of damping on dynamic meshing characteristics of planetary gears
All mechanical motions are accompanied by the loss of mechanical energy, that is, all vibrations have damping. The damping force
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Influence of different friction coefficients on dynamic response of helical gear after modification
The friction coefficient has an important influence on the dynamic response characteristics of helical gear. Based on the coupled dynamic
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Characteristics of spiral bevel gear
The pitch tooth line is a curve. This determines that when the teeth mesh, each pair of teeth can only
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Design of precision forging die for spiral bevel gear
20CrMnTi gear steel is used for precision forging driven spiral bevel gear, and lead is selected as the simulation material.
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Design of precision forging die for bevel gear
In hot precision forging of driven bevel gear, the choice of die shape and size is very important. It not
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Establishment of finite element model of Precision Forging Spiral Bevel Gear
Basic dimensions: the shape of the blank is close to the shape of the driven spiral bevel gear after forming.
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Selection of precision forging equipment for bevel gear
Compared with mechanical press, friction press has no fixed bottom dead center, convenient installation and debugging of die and less
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Design of precision forging blank for spiral bevel gear
The main purpose of designing the precision forging blank of spiral bevel gear is to ensure that the metal can
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Analysis of stroke load curve of finite element simulation of spiral bevel gear
The forming process of spiral bevel gear can be divided into three stages. The initial stage of deformation is at
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Influence of backlash on dynamic characteristics of planetary gears
In the gear transmission system, due to the need of lubrication and the manufacturing accuracy and installation error of gear
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Experimental study on compression of 20CrMnTi gear steel
The compression test is carried out by Gleeble-1500 thermal simulation testing machine to find out the influence law of heating
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Non-circular gear modeling
1. Drawing of tooth profile of non-circular gear At present, the envelope method and tooth profile folding algorithm are mostly
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Influence of modification on dynamic response of helical gear
The stiffness excitation and friction excitation change after helical gear modification. The coupling dynamic model of helical gear modification and
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Example analysis of noncircular gear
Example analysis of noncircular gear: the equation of transmission ratio i12 to be realized is as follows: Where, the transmission
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Effect of grinding parameters of spiral bevel gear steel on the depth of strengthening layer
The depth value greater than the microhardness 685 HV of carburized layer is recorded as the strengthening layer depth, and
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Basic theory of noncircular gears
1.Noncircular gear ratio The non-circular gear transmission ratio is a periodic function with the driving wheel angle as the independent
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Influence of time-varying meshing stiffness and meshing phase on dynamic characteristics of planetary gears
There are three cases for the influence of tooth surface contact phase angle on parameter excitation intensity: the first case,
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Analysis of simulation results of coupling dynamic model of helical gear modification and friction excitation
Based on the 8-DOF coupling dynamic model of helical gear system, the Runge Kutta method is used to solve the
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Total meshing stiffness of automobile helical gear
In the helical gear transmission of hybrid electric vehicle, although the rolling motion conditions are considered in the tooth surface
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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