Key angle parameters of spiral bevel gear blank
For spiral bevel gears with contracted teeth whose base cone, root cone, pitch cone and face cone apex coincide, the […]
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Vibration characteristics of spur gear pair with spalling fault
Set the initial state of the spur gear pair to zero, set the rectangular peeling at the pitch circle of
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Generation principle of convex tooth surface of spherical involute spiral bevel gear
In order to intuitively analyze the generation principle of convex tooth surface of right-hand spiral bevel gear, the method of
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Analysis and comparison of experimental results of cylindrical helical gear machining design
During the operation of the parameter measurement system, the image acquisition and processing are parallel. During the measurement of the
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Generation principle of concave tooth surface of spherical involute spiral bevel gear
The type of spiral bevel gear studied is spherical involute involute involute involute spiral bevel gear with the intersection angle
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Measuring conditions and steps for machining design of cylindrical helical gears
In order to verify the effectiveness of the measuring system for the machining parameters of cylindrical helical gears with manufacturing
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System equation of spur gear pair
The dynamic model of 8-DOF spur gear pair is established by Lagrange equation. The system equation is: Where: FM is
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Flash temperature model of spur gear pair
For tooth surface contact temperature: Δ T. Mainly determined by the temperature of spur gear body Δ M and tooth
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Design of measuring process for machining parameters of cylindrical helical gears
When designing the measuring process of the processing parameters of the cylindrical helical gear, firstly, the edge closure of the
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Basic principle of spiral bevel gear transmission
When a pair of conjugate spiral bevel gears are driven, when the bevel gear with the number of teeth Z1
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Image processing of cylindrical helical gear processing parameters considering manufacturing error
The application of machine vision technology in the software design of parameter measurement system requires image processing. In order to
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Meshing stiffness of spur gear pair with spalling fault
It is assumed that the spalling fault shape of spur gear driving tooth surface is matrix (as shown in Fig.
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Forming method and generating method of spiral bevel gear
There are two main machining methods of spiral bevel gears, forming method and generating method. 1.Forming method The profile shape
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Gear cutting principle of Gleason spiral bevel gear
The traditional spiral bevel gear machining is based on the principle of “imaginary flat top gear”. At present, the basic
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Machining of cylindrical helical gears considering manufacturing errors
Cylindrical helical gear is a common transmission component in industrial machinery, which is widely used in transportation, aviation, shipbuilding and
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Optimization of transmission error of helical gear in reducer of a pure electric vehicle
In order to reduce the transmission error below 1, the modification amount of helical gear is analyzed. First, analyze the
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VH-CATT cutting forming principle of variable hyperbolic arc tooth profile gear
Compared with the traditional cylindrical gear, the tooth line of vh-catt is special. It is arc-shaped on the plane that
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Order reduction and initial value selection of bevel gear dynamic equation
The variable step adaptive Runge Kutta numerical integration method will be used to solve the nonlinear dynamic differential equation of
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Calculation of power loss of gearbox
The power loss of the gearbox mainly includes oil stirring loss, wind resistance loss, gear meshing loss and bearing loss.
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VH-CATT cutting simulation of variable hyperbolic arc tooth profile gear
Using the finite element simulation method to analyze the actual machining of gears, the force of the tool in the
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Dimensionless of dynamic equation of bevel gear
The dynamic equation of bevel gear is a nonlinear second-order differential equation with variable parameters. If it is solved directly
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Introduction of gear transmission error of a pure electric vehicle reducer
1.Introduction to transmission error of reducer gear There is a gear pair in the reducer. Theoretically, under the ideal assumption,
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Transmission error analysis of helical gear of a pure electric vehicle reducer
The transmission error of the first stage reduction driving helical gear in the reducer of a pure electric vehicle is
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Transmission error of reducer gear of a pure electric vehicle
In the development of NVH for pure electric vehicles, the noise problem of the reducer is often found. The howling
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Calculation of natural frequency of center bevel gear
ANSYS software is used to calculate the natural frequency of the central bevel gear of an aeroengine, and the static
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Meshing stiffness of hypoid gears
The meshing stiffness of hypoid gears can be obtained by substituting the data of gear force, static transmission error and
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Assembly simulation of hypoid gears
Virtual assembly is to determine the relative position between models and complete model assembly through the reference and link relationship
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Calculation of comprehensive meshing stiffness of central bevel gear pair
Same as spur gear. In the actual working state of the central bevel gear, the meshing of the teeth is
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Boundary conditions and finite element mesh generation of central bevel gear
The physical parameters of the material used for the central bevel gear at working temperature are: elastic modulus, Poisson’s ratio
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Load transmission error of hypoid gear
Conduct contact analysis (LTCA) on the hypoid gear under load. The resistance torque applied at the output end of the
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Hypoid gear create steps
ZHY gear provided the part drawing and assembly drawing of the hypoid gear of the main reducer of a certain
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Solution results of bevel gear dynamic equation and analysis of its dynamic characteristics
The basic input involved in the dynamic equation of bevel gear transmission system. The time-varying meshing stiffness of bevel gear
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Cutting principle of hypoid gear
The hypoid gear of the micro car main reducer is processed on the hypoid gear milling machine. The processing principle
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No load contact analysis of hypoid gears based on finite element method
According to the meshing stiffness calculation model of hypoid gears, it is necessary to calculate the transmission error of hypoid
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Traveling wave vibration analysis of bevel gear
Although there are many harmonics in the meshing force of bevel gear, not all harmonics can arouse the resonance of
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Verification of calculation accuracy of spur gear stiffness model
Select a spur gear to calculate its stiffness. The reason why spur gear is selected as the research object is
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Natural frequency of traveling wave vibration of bevel gear
When studying the traveling wave vibration of bevel gear, in order to calculate the resonant speed of bevel gear, we
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Calculation model of meshing stiffness of hypoid gears
Fig. 1 shows the meshing coupling model of hypoid gear based on the finite element model. From the meshing diagram,
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Traveling wave vibration principle of bevel gear
When the bevel gear is working, once the frequency of the exciting force generated by the meshing vibration dynamic load
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Analysis on the influence of input speed change of hypoid gear on dynamic transmission error
From the comparison of the dynamic and static transmission errors of hypoid gears, it can be seen that when the
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Influence of load on meshing stiffness of hypoid gears
The following is a comparison of the change law of gear mesh stiffness when the gear load is different. Here,
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Torsional vibration of bevel gear transmission
There are two kinds of torsional vibration of bevel gear transmission system: low-frequency torsional vibration and high-frequency torsional vibration. Low
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Comparison between static transmission error and dynamic transmission error of hypoid gears
In the dynamic analysis of the hypoid gear, the difference from the static analysis is that the input end of
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Determination of main parameters in bevel gear dynamic system model
The dynamic model of bevel gear transmission contains various geometric parameters, physical parameters and load parameters. The geometric parameters include
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Torsional vibration analysis model of bevel gear transmission system
The torsional vibration analysis model only considers the torsional vibration of the system. In the vibration analysis of the gear
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Establishment of finite element model for static meshing of hypoid gears
1.Analysis type First, the static nonlinear meshing analysis is carried out. In the analysis step, the class’ static stress /
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Analysis of influence of installation deviation on static transmission error of alignment hypoid gear
The installation deviation of hypoid gears is mainly divided into four categories. The definition of installation deviation direction is shown
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Basic principle of time-varying meshing stiffness of spur gear
The dynamic excitation caused by the time-varying characteristics of meshing stiffness during gear meshing is called stiffness dynamic excitation of
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Spur gear finite element method
Since the early 1970s, people have begun to use the finite element method to calculate the elastic deformation and tooth
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The influence of speed change of hypoid gear on static transmission error
Different angular velocities are applied to the meshing model of hypoid gears, and there is no concept of velocity in
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Calculation method of meshing stiffness of gear teeth
Taking straight teeth as an example, the basic concept and properties of gear meshing stiffness are explained. Tooth meshing stiffness
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Influence of torque variation of hypoid gear on static transmission error
Load different resistance moments on the output end of the large gear, and the corresponding transmission error is shown in
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Analysis of mesh convergence of hypoid gears
Gear mesh generation strategy is directly related to the calculation speed and accuracy. In order to determine the finite element
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Analysis of Gama effect on the installation deviation of hypoid gears
The effect of the installation deviation Gama of the cross angle of the hypoid gear on the fatigue stress of
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Second order error of difference surface equation of logarithmic spiral bevel gear
The second-order error of logarithmic spiral bevel gear can be understood as the longitudinal and transverse drum shape error of
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Comparison of influence degree of installation deviation on bending fatigue of hypoid gears
The influence range of each installation deviation on fatigue parameters is shown in the figure. According to the order of
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Analysis on the influence of offset and installation deviation V of hypoid gears
As shown in Fig. 1, the influence of the installation deviation V of the offset distance of the hypoid gear
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Zero order error of difference surface equation of logarithmic spiral bevel gear
In the actual measurement of logarithmic spiral bevel gear, there is an offset in the measurement error. This offset can
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Establishment and analysis of difference surface equation of logarithmic spiral bevel gear
Difference surface is a widely used surface error analysis tool. It was initially applied to the error discrimination of first-order
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Fatigue Bench Test of hypoid gear
According to the requirements of the national driving axle fatigue test standard qc/t 533-1999, the test bench as shown in