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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helical gear
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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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Structural design of helical cylindrical gear turning cutter
The structure of the gear turning cutter is similar to that of the helical cylindrical gear. The three-dimensional shape of
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Forging billet and heat treatment of large helical gear
Forging blank is the first link in the processing and manufacturing of large helical gears. The main work is to
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Warm precision plastic forming of helical gear
Spiral gear is a key part used in mechanical transmission and power. It has high technical content, wide uses and
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Design of demoulding die for precision plastic forming of helical gear
After the precision plastic work is completed, the workpiece may be close to the punch or stuck in the die,
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Numerical simulation of die forging of round bar blank of helical cylindrical gear
The blank with lower boss needs to be obtained by large bar cutting, which not only wastes man hours, but
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Realization of helical gear
The normal profile is scanned according to the spiral guide line to generate the helical gear profile surface, and then
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Numerical simulation of die forging of helical cylindrical gear blank
The blank material is DEFORM-3D material library AISI-4120, the temperature is 850 ℃, the temperature effect in heat conduction and
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Analysis of technological parameters of helical cylindrical gear
Figure 1 shows the helical cylindrical gear in the automobile gearbox. The normal surface modulus M = 2.5mm, the number
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Precision plastic forming of helical cylindrical gear
Helical cylindrical gear is an important transmission part widely used in automobile and machinery industry. Its shape is complex, and
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Realization of helical gear
The solid contour is generated by cutting the solid contour as the spiral surface, and then the contour is generated
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Analysis of process parameters and gear parameters in numerical simulation of helical gear
For a long time, for designers, the design or development of a process scheme is basically based on production experience.
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Influence of bevel angle of helical gear
When the module, number of teeth, helix angle and process parameters of helical gear are consistent, three groups of different
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3D parametric geometric modeling of helical gear
In the process of helicall gear design, CAD / CAM / CAE integrated software UG is adopted. Combining the three-dimensional
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Helical angle of helical gear
The difference between helical gear and spur gear is that the teeth of helical gear are distributed along the helix.
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Numerical simulation of precision plastic forming of helical gear
(1) The parametric modeling of helical gear is carried out by using three-dimensional modeling software UG. After parametric modeling, helical
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Parameter analysis of helical gear
Through the numerical simulation analysis of the closed die forging of helical gear, the parameters such as temperature, friction factor,
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Helical gear module and tooth number parameters
Due to the formula of indexing circle diameter d = mz, it can be seen that the diameter of the
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Numerical simulation process parameters of helical gear
For a long time, for helical gear designers, the design or development of a process scheme is basically based on
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Generation of end face contour of helical cylindrical gear
All teeth on helical cylindrical gears are the same and have unified characteristics. The normal tooth profile will be generated
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Precision plastic forming of helical gear
At present, the research on precision plastic forming of bevel gear and spur gear has made great progress and has
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Forming technology of driving helical gear blank
Warm forging of helical gear is a kind of plastic forming process with less and no cutting developed on the
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Research status of driven helical gear blank of automobile rear axle
At present, the better process methods for producing the driven helical gear blank of automobile rear axle at home and
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Forging process of helical gear
The cold / hot forging drawing is determined by the helical gear part drawing. The influence of the tooth shape
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Helical gear closed hot die forging preform tooth profile
Based on the design of process flow, the main purpose of closed hot die forging step is to realize the
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Research status of helical gear forming technology
Germany, Japan and other developed countries began to study the helical gear forming process very early, and the technology is
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Stroke load curve of helical gear in cold finishing process
The figure shows the stroke load curve of the helical gear cold finishing process. It can be seen from the
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Motion simulation of helical gear hobbing
After the assembly of hob and helical gear, the following settings must be completed before the hobbing motion simulation of
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Optimization of friction factor in helical gear forming
In the process of forming helical gear by precision forging, friction will inevitably occur between the blank and the die
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Equivalent stress and equivalent strain analysis of helical gear forming
At different forming speeds, the distribution law of equivalent stress in the forming process of each simulation experiment is basically
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Optimization of blank size of helical gear
Die forging refers to the process that the helical gear blank is formed in the die bore under the action
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Influence of different friction coefficients on vibration and noise of helical gear system after modification
The vibration noise of helical gear system with modified friction coefficient of 0.1 is calculated. In order to study the
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Simulation of precision forging of helical gear
Basic parameter setting of helical gear simulation (1) Model material: the material of the selected helical gear blank is 20mncr5,
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Application of numerical simulation technology in gear precision forging
With the rapid development of finite element numerical simulation technology, numerical simulation technology is more and more used in the
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Precision forging process of spur bevel gear and helical bevel gear
As an advanced processing method, precision forging has been widely used in the processing and manufacturing of spur bevel gear
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Influence of modification on vibration and noise of helical gear system
① Simulation results of vibration and noise of helical gear system before modification The sound pressure nephogram of helical gear
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Double split precision forging test equipment for helical gears
The figure shows the universal material testing machine selected for experimental research. The maximum test load of the helical gear
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Precision forging of helical gears
The design, research, processing and production of gears at home and abroad have a history of many years and have
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Double split precision forging test of helical gear
Combined with the numerical simulation analysis results and the best process parameters, experimental research is carried out to verify the
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Acquisition of boundary conditions for vibration and noise simulation of helical gear system
To calculate the vibration noise of the acoustic boundary element model of helical gear system, it is necessary to obtain
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Experimental study on double split precision forging of helical gear
Finite element method is widely used in various fields of plastic processing. It is not only an important means to
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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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The influence of the position of diffluence surface on the filling quality of helical gear tooth profile
The position of the split surface of the helical gear is determined by the distance between the male die and
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Precision forging of helical gear
1) Design of precision forging process of helical gear. According to the principle of precision forging and the structural characteristics
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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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Dynamic prospect of helical gear transmission system of hybrid electric vehicle
The internal structure of compound helical gear in the gear transmission system of hybrid electric vehicle is relatively complex, and
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Precision forging of helical gear
Precision forging of helical gear is a research hotspot at home and abroad in recent years. There are mainly the
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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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Dynamics of helical gear transmission system of hybrid electric vehicle
The helical gear transmission system of hybrid electric vehicle is composed of compound planetary gear mechanism and parallel shaft gear
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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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Common problems of helical gear reducer
1.Common problems and causes of helical gear reducer: a. Heating and oil leakage of reducer; b. Worm gear wear; c.
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Solid modeling of helical gear
In recent years, with the continuous research in the field of face gear, according to the axis relationship of transmission
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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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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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Classification of helical gears
Helical gear reducer is a novel reduction transmission device. It has many advantages, such as small volume and light weight.