Tooth alignment error and tooth profile error of smooth large gear after test
In order to facilitate the comparison with the parameters before the test, the smooth big gear after the test also […]
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Blank shaping process of driven spiral bevel gear
The shaping process is forging, so that the blank is in good agreement with the ring rolling die, bite in
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Dimensions of automobile gear hobs
The size of automobile gear hob mainly includes diameter and length. The diameter of automobile gear hob usually depends on
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Temperature analysis of upper and lower dies of helical gear
The temperature field distribution of spiral gear die is the key factor of the life of spiral gear die. The
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Analysis of cold precision forging process of spiral bevel gear wheel
After the simulation, open the post-processing option in the DEFORM-3D main window to view the simulation results. The post-processing window
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Gluing failure of automobile gear tooth surface
In the high-speed and heavy-duty gear transmission of automobile gears, the pressure in the meshing area of the tooth surface
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Hot forging die wear of driven spiral bevel gear blank
Determination of die wear and forming load test scheme determination of die wear and forming load test scheme aiming at
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Streamline analysis of cylindrical gear ring blank making process
The distribution of metal streamline in each step of the blank making process of cylindrical gear ring is shown in
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Kinematic analysis of bevel gear transmission of flying vehicle
For the gear transmission system of flying vehicle, the meshing times of each gear in the system are different at
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Finite element simulation of modified cylindrical gear
1. Import model Through the method discussed above, we can establish the three-dimensional model of the modified cylindrical gear in
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Tooth direction error and tooth profile error of smooth pinion after test
In order to compare the changes of tooth direction error and tooth shape error of smooth pinion before and after
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Blank punching process of driven spiral bevel gear
After the calculation of pre punching process is completed, enter the forming module of software pre-processing, add punching steps and
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Three dimensional modeling of cold precision forging spiral bevel gear die
Using the “model” module in UG, a simple model of spiral bevel gear die is drawn. The steps are as
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Basic parameters of cylindrical gear
The research on Isothermal Elastohydrodynamic Lubrication of cylindrical gears does not consider the influence of time and temperature changes on
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Material of driven spiral bevel gear
The metal material used in the blank simulation of driven spiral bevel gear is low carbon steel 20CrMnTi. The chemical
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Pitting failure of automobile gear tooth surface
Fatigue pitting of the tooth surface of automobile gear is a common failure form of closed soft tooth surface gear
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Structure and basic parameters of bevel gear transmission system of flying vehicle
The gear transmission system of flying vehicle studied in this paper is composed of one-stage planetary gear train and two-stage
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Prediction of pitting life of spur gears
The structural parameters and test parameters of spur gear are as follows: the material of spur gear is 20CrMnTi, the
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Establishment of three-dimensional model of spiral bevel gear
1. Modeling of gear tooth surface Importing the data of tooth surface points into UG can generate tooth surface pieces.
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Wear failure of automobile gear tooth surface
In automobile gear transmission, there are many different forms of tooth surface wear with different working conditions. There are mainly
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Calculation of three-dimensional contact stress of smooth cylindrical gear
1. Equivalent stress analysis of three-dimensional contact of smooth cylindrical gear The results of three-dimensional contact equivalent stress of cylindrical
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Three dimensional contact boundary conditions and loading settings of smooth cylindrical gears
According to the static contact analysis principle of cylindrical gear, the passive cylindrical gear needs to be completely fixed, and
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Three dimensional contact finite element model of smooth cylindrical gear
Figure 1 shows the three-dimensional contact solid model of cylindrical gear after importing ANSYS. The general preprocessor in ANSYS is
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Tooth alignment error and tooth profile error of pit bionic large gear before test
In order to make it more convenient and intuitive to compare the measurement data of smooth big gear and pit
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Wear resistance of automotive cylindrical gears
Automobile cylindrical gear is the main component to transmit driving power. Its wear resistance directly affects the service life of
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3D solid modeling of involute cylindrical gear based on CATIA
Because the process of establishing involute cylindrical gear in ANSYS is complex, CATIA, a 3D drawing software with powerful surface
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Machining parameters and TCA analysis of spiral bevel gear pair
The tooth surface with good meshing performance is the basis for creating precision forging die. Therefore, the premise of using
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Dynamic reliability analysis of bevel gear considering strength degradation
Due to the influence of random factors such as stress and environment, the strength degradation process is usually a continuous
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Near field stress-strain analysis of cylindrical gear meshing interface
Based on the pressure and shear stress at the meshing interface of cylindrical gear obtained from the above analysis, the
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Tooth alignment error and tooth profile error of pit bionic pinion before test
Consistent with the smooth pinion, the pit pinion is measured with 3 teeth to grasp the shape parameters of the
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Two dimensional contact finite element analysis of smooth spur gear
Through the three-dimensional numerical simulation of the ring sample, it is concluded that the ring sample with a certain surface
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Description of basic parameters of spiral bevel gear pair
The geometric dimension of the wheel blank is the basis for the design and processing of the spiral bevel gear
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Forging gear simulation and production verification
According to the optimized preform shape and process parameters, the other parameters are set to the same value as. Use
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Installation posture of cylindrical gear profile cutter
The chamfering of tooth profile is different from the machining of tooth surface. In order to avoid scratching the tooth
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3D modeling of modified spur gear based on Pro/E
Pro/E is a parametric modeling software, which can establish the three-dimensional model of spur gear through parameterization, which greatly improves
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Tooth direction error and tooth profile error of smooth large gear before test
The smooth big gear has 24 teeth in total, which are measured by full teeth. The changes of morphological parameters
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Tooth direction error and tooth profile error of smooth pinion before test
The smooth pinion has 16 teeth in total. In this experiment, the pinion is measured with 3 teeth to grasp
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Meshing simulation of spiral bevel gear
In order to verify the accuracy of machining parameter calculation, the ease off difference tooth surface is constructed for contact
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Reliability of gear transmission system of flying vehicle
Based on the modeling method of system level theory, the gear transmission system is divided into three subsystems: primary DSI
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Stress calculation of bevel gear transmission system of flying vehicle
Tooth contact fatigue failure and tooth root bending fatigue failure are one of the most common failure forms of bevel
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Objective function and optimization parameters of forging gear blank
The optimization goal is to reduce the forming load and increase the filling rate of gear forging. (1) Objective function
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Experiment of chamfering tool for cylindrical helical gear hobbing
In order to further verify the correctness and effectiveness of the profile design method of the rake face of the
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Calculation method of cylindrical gear tooth profile and cutter profile
In the process of continuous tooth profile chamfering, the cylindrical gear rotates around the c-axis, the tool rolls with the
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Failure analysis of gear hub
It mainly analyzes the root causes from the aspects of part failure form, part design, material, processing, assembly, use and
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Failure of central transmission gear hub of bulldozer
The central transmission structure of the bulldozer developed by a company is shown in Figure 1. When the whole machine
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Variance analysis of double circular arc gear
The independent variables of the orthogonal test and the natural frequency values of the double circular arc constraint mode solved
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Comparative analysis of tooth surface of face gear
Using the method of numerical comparison, the simulation results are accurately analyzed by calculating the normal difference between VERICUT gear
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Elastohydrodynamic lubrication contact of cylindrical gears
In order to ensure the accuracy of contact analysis, the influence law of micro morphology of tooth surface should be
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Effect of preheating treatment before carburizing on distortion of 17CrNiMo6 steel gear shaft
The traditional carburizing process is to directly heat the workpiece to the carburizing temperature during carburizing. In this paper, the
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Carburizing treatment of gear shaft considering preheating
In production, the preheating temperature and time parameters of gear shaft are more based on the experience of workers. Based
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Fracture failure of automobile gear teeth
The teeth of automobile gears are equivalent to cantilever beams. The force between two meshing teeth acts along the common
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Numerical solution of machining parameters of small gear of spiral bevel gear
The numerical differentiation method is used to calculate the numerical differentiation of the formula, calculate the main direction and main
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Forging gear blank
The gear blank used for forging is aisi4120 steel, and its material composition and mass fraction are shown in the
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Chamfering parameters and kinematic analysis of cylindrical gear profile
Different from the traditional chamfering method of tooth profile, the new method of continuous cutting chamfering with cutting tools is
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Cylindrical gear tooth profile cutter space motion coordinate system
According to the tool installation pose coordinate system, the spatial hobbing motion coordinate system of tool and cylindrical gear is
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The gear shaft is carburized without preheating
If the distortion of gear shaft is too large, the machining accuracy and assembly accuracy will be reduced and the
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Orthogonal test of double circular arc gear
Orthogonal test of double circular arc gear is an important mathematical statistical method to study multi factor test. The orthogonal
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Machining simulation of face gear shaper
The virtual simulation process is basically the same as the actual machining process. By adjusting the parameters of the NC
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Elastohydrodynamic lubrication contact based on cylindrical gear
The contact characteristics of the cylindrical gear at each meshing time are equivalent to the cylindrical contact with corresponding curvature.
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Temperature field and stress field of two heat treatment methods of gear shaft
In the process of heat treatment, with the changes of temperature and microstructure, parts will produce thermal stress and microstructure