Reverse processing parameters of hypoid gear
According to the definition of tooth surface error in Chapter 4, it is used to represent the error between the […]
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Objective tooth surface design of hypoid gear pinion
The position of the instantaneous center of motion in the inertial system can be kept unchanged and the transmission is
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Objective tooth surface conjugate tooth surface of hypoid gear pinion
In order to obtain the ideal conjugate surface of the small wheel, according to the theory of the big wheel,
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Influence of setting parameters of hypoid gear machine on tooth surface
In addition to the change of cutter and cutter head parameters, the change of machine tool setting parameters will also
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Ease off active design method for Hypoid Gears
Preset transmission error curve The vibration and noise generated by gear meshing mainly come from the transmission error of gear,
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Influence of hypoid gear cutter and cutter head parameters on tooth surface
The influence of five parameters of cutter and cutter head on the tooth surface is analyzed, including tooth profile angle,
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Sensitivity analysis of tooth surface error of hypoid gear
90 points are selected to reflect the overall error of the tooth surface. 9 points are evenly distributed in the
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Tooth surface error and sensitivity matrix of hypoid gear
According to the hypoid gear model, the sensitivity of tooth surface errors at different positions to various machining parameters is
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Improved calculation formula of instantaneous contact ellipse and tooth surface contact mark of FH hypoid gear
As the tooth surface of FH hypoid gear is relatively complex, it is difficult to mesh directly on the tooth
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Improved calculation of instantaneous contact ellipse and tooth surface contact mark of FH hypoid gear
According to Hertz contact theory, the elastic deformation of tooth surface increases with the increase of contact stress when the
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Modeling of instantaneous contact boundary and tooth surface of FH hypoid gear based on numerical iteration
The modeling method of FH hypoid gear is shown in Fig. 1 The two tooth surfaces are assembled in the
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Boundary and load definition of FH hypoid gear
After meshing, the preprocessing file is imported into ABAQUS and set as follows: (1) Material definition: the material parameters of
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Experimental analysis of Spur Planetary Gear
The physical quantity measured by the sensor is the radial vibration acceleration signal of the rotor in the sealing tester,
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Subsystem of Spur Planetary gear test device
Considering the gear meshing characteristics of the seal rotor system dynamic characteristics test device, the actual photos and overall structure
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Instantaneous contact boundary and contact mark of FH hypoid gear based on numerical iteration
The detailed steps of solving the elliptic boundary and contact line of the instantaneous contact between two tooth surfaces based
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Dynamic response of Spur Planetary Gear System
The number of planetary gears is n = 3, the comprehensive meshing error amplitude is e = 10 μ m,
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Structure analysis of sealed rotor with spur gear
The rotor with contact seal is taken as the research object. The simplified model is shown in Fig. 1. The
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Establishment of dynamic differential equation of Spur Planetary Gear System
The planetary gear transmission system studied in this paper has fixed inner gear ring, planetary carrier and sun gear as
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Relative displacement analysis of Spur Planetary Gear
As shown in the figure, the relative position relationship of each gear is in the meshing state. (1) Projection of
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Relative displacement analysis of Spur Planetary Gear
As shown in the figure, the relative position relationship of each gear is in the meshing state. (1) Projection of
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Kinematic analysis of Spur Planetary Gear
In order to carry out dynamic analysis of the system, this section first analyzes the acceleration of each component in
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Equivalent dynamic model of Spur Planetary Gear
As shown in the figure is the translation torsion coupling dynamic model of the spur gear transmission system established in
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Establishment of equivalent dynamic model of Spur Planetary Gear
The model of gear transmission system is the expression of system mechanics and mathematics, and is the basis of gear
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Damping coefficient of Spur Planetary Gear
Damping is an important introduction in the study of gear system dynamics. Because the damping value of gear system meshing
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Meshing phase calculation of Spur Planetary Gear
The meshing phase relationship of planetary gears can be determined according to the position angle of planetary gears and the
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Comprehensive meshing error of spur gear and planetary gear
In the process of actual processing and installation of gears, it is inevitable to produce a variety of errors. These
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Hertz contact stiffness of inner gear and outer gear of Spur Planetary Gear
According to Hertz law, the elastic compression of two isotropic elastic bodies can be described by two projectile near the
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Backlash of Spur Planetary Gear
As shown in Fig. 1, the sketch of gear meshing pair with backlash is used to reserve the side clearance
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Equation of FH hypoid gear tooth surface cutter head
Face milling (FM) and face hobbing (FH) are widely used in machining bevel gears, hypoid gears and other complex curved
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Calculation of meshing frequency of Spur Planetary Gear
The meshing frequency of gears refers to the meshing times of teeth in unit time. For NGW type planetary gear
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Calculation of related parameters of Spur Planetary Gear System
As shown in the figure is the structural diagram of the straight gear planetary gear transmission system. The planetary carrier
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Dynamic model of planetary gear speed increasing system
In terms of theoretical analysis, the theoretical basis of gear system dynamics has gradually developed from the earliest impact theory
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Equation of hypothetical profile of FH hypoid gear
The imaginary profile wheel is composed of the path of the blade in the virtual machining process, and the number
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Analysis of surface roughness of spiral bevel gear near pits by femtosecond laser ablation
The surface roughness Ra near the ablation pit can objectively reflect the micro geometric characteristics of the ablated material surface.
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Experimental analysis of femtosecond laser ablation topography of spiral bevel gear
After femtosecond laser micromachining the tooth surface, optical microscope dmm-300c was used to observe the characteristics of ablation ring morphology
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Numerical solution and simulation analysis of spiral bevel gear
The finite difference method is used to solve the two temperature equation. The laser pulse width is 800 FS, and
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Energy coupling model for femtosecond laser ablation of spiral bevel gears
In the study of femtosecond laser ablation of 20CrMnTi gear material, the two temperature model is used to study the
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Spiral bevel gear material and femtosecond laser ablation mechanism
20CrMnTi, commonly used material for spiral bevel gears, is a kind of good carburizing steel with high impact toughness, high
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Comparison and analysis of time-varying meshing stiffness of helical gears
According to the international standard of iso6336-1-2006, the average meshing stiffness of a gear is regarded as the total stiffness
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Total time-varying meshing stiffness of helical gears
According to the above-mentioned time-varying meshing stiffness equation of helical gear, the contact line of helical gear pair is used
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Validation of finite element method for helical gear time varying meshing stiffness
In order to study the time-varying meshing stiffness of helical gears, a three-dimensional model is established by three-dimensional software, and
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Boundary conditions between sliced gears
When calculating the meshing stiffness of helical gear by slicing method, because the tooth surface of helical gear is helical,
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Helical gear contact line
When a pair of helical gears are engaged, the contact line of the two gear surfaces is a straight line
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Gear tooth matrix stiffness
In the process of gear meshing, the time-varying meshing stiffness is mainly related to the meshing force and deformation of
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Establishment of stiffness equation of helical gear under spalling fault
The tooth spalling model is shown in Figure 1, where SH is the depth of tooth spalling, SL is the
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Time varying meshing stiffness principle of helical gear
When the potential energy method is used to solve the time-varying meshing stiffness of spur gear, the meshing stiffness mainly
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Meshing stiffness analysis of time-varying Gears Considering Different spalling shapes
With the rapid development of wind power technology in recent years, improving the working performance of wind turbine is gradually
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Influence of process parameters on gear rolling process
In order to analyze the influence of rolling process parameters on rolling process, orthogonal test method was used to analyze
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Analysis of gear rolling process
The rolling process is divided into four stages: initial feeding stage, gear dividing stage, continuous feeding rolling stage and shaping
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Finite element parameter setting of gear rolling process
According to the characteristics of roll forming process, the finite element analysis model is established, and the process simulation parameters
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Analysis on vibration characteristics of gear transmission system with root crack and bearing compound fault
1) Root crack and inner and outer raceway failure of bearing Figure 1 shows the frequency domain diagram of bearing
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Comparison of vibration characteristics of gear transmission system under different conditions
As shown in figure (a) is the time domain diagram of the displacement and vibration analog signal of the driving
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Unit contact line load of helical gear
Calculation of contact line length of helical gear The length of contact line of helical gear has a great influence
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Calculation of engagement length and coincidence degree based on helical gear
1.Actual meshing line length of tooth profile In the transmission process of helical gear, the meshing line of tooth profile
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Vibration characteristics of gear pitch error
Single tooth pitch error (1) Time domain characteristics The existence of single tooth pitch error will lead to the problem
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Research on contact degree and unit contact line load based on helical gear
Helical gear is widely used in high-speed and heavy-duty transmission because of its smooth transmission, strong bearing capacity, low noise,
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Time domain and frequency domain characteristic analysis of gear typical machining errors
Gear is the core component in the field of power transmission. It is widely used in automobile, aerospace, ship and
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Typical machining error of gear
Single tooth pitch error Single tooth pitch error refers to the arc length dimension deviation of two adjacent teeth on
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Dynamic model and solution of gear transmission system
At present, there are more researches on the vibration of gear pair under the action of nonlinear excitation, and there
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Calculation formula of standard involute spur gear
Based on the energy method, the relationship between the z-contact stiffness, bending stiffness, shear stiffness, radial compression deformation stiffness and