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
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Tooth surface equation of face gear
The tooth surface of helical offset non orthogonal gear is formed by the tooth surface of helical gear shaper cutter.
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Machining principle of face gear
The gear shaping process of helical offset non orthogonal face gear is the simulation of the generating motion of helical
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Small wheel generation model of spiral bevel gear
According to the production principle of spiral bevel gear pinion, the coordinate system shown in the figure is established to
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Face gear machining coordinate system
The coordinate system shown in the figure is used for gear shaping of helical offset non orthogonal surface gears. Among
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Distortion comparison of two heat treatment methods for gear shaft
Take 300 points at the axis of the gear shaft for analysis. The path taken is shown in figure (a).
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End face profile of cylindrical gear
The profile of hobbing chamfering tool and the profile of the end face of the processed cylindrical gear are no
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Calculation model of heat treatment of gear shaft
1. Finite element model According to the geometric diagram in Figure 1, the three-dimensional software is used for modeling, as
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Tooth surface equation of helical gear shaper
The cutter for machining helical offset non orthogonal face gear is involute helical gear shaper cutter, and the involute tooth
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Generation model of spiral bevel gear
1. Large tooth surface of spiral bevel gear Σ2 production and its equation The double-sided hobbing method is generally used
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Carburizing field model of gear shaft
Carburizing process is an unsteady process, which conforms to Fick’s second law: Where: t is the carburizing time, s; C
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Analysis of influencing factors of helical gear cutting force
Two process parameters that have a significant impact on the cutting force are selected, namely tool speed and tool feed.
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Matlab simulation of gear tooth surface
The relevant parameters used are shown in the table. In order to solve the tooth surface of instant noodle gear,
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Calculation of transmission efficiency of spiral bevel gear
After the sliding friction coefficient at the instantaneous meshing position of spiral bevel gear is solved by the formula, the
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Regression analysis of double circular arc gear
The relationship between dependent variables and regression analysis is a kind of modeling technology. The experiment involves four independent variables,
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Machining test of face gear
The gear turning test of face gear is carried out on the special NC machining machine tool for face gear.
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Cutting changes in helical gear turning process
In the process of helical gear turning, each tooth of the turning tool will go through a process from cutting
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Example analysis of machining and forming of large cylindrical gear
In order to verify the machining accuracy of the studied process, taking the machining of large module cylindrical gear as
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Simulation calculation of cutting force of helical gear turning
The geometric modeling of helical gear turning tool is realized by using UG three-dimensional modeling software. In order to simplify
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Machining simulation of helical gear
The machining simulation of helical gear turning is carried out by using VERICUT simulation software. Firstly, the virtual machining machine
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Influence of structural parameters on cutting angle of helical gear turning
The structural parameters of gear turning tool include modulus, number of teeth, helix angle and pressure angle. Modulus and pressure
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Cutting angle of helical gear turning gear
Select a point m on the cutting edge of helical gear turning tool, and establish the reference plane of tool
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Spheroidizing annealing results of 16MnCrS5 steel for cold forged gears
Reduction of area and elongation are one of the key parameters of material plasticity. As shown in the figure, the
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Spheroidizing annealing test results of 16MnCrS5 steel for cold forged gears
After the spheroidizing annealing treatment of four processes, the SEM analysis results of each structure are shown in Figure 1.
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Spheroidizing annealing test of 16MnCrS5 steel for cold forged gears
The chemical composition of 16MnCrS5 steel for cold forged gear used in the test is shown in Table 1, and
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Mixed lubrication model of spiral bevel gear
The point contact problem of conjugate surface of spiral bevel gear can be represented by the elliptical contact model shown