3D geometric model of helical gear
Taking the gear pair in gear parameters as an example, the three-dimensional geometric model of four groups of gear pairs […]
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Dynamic response of a sealed rotor system with gear meshing characteristics solved by MATLAB
According to the specific parameters, the number of planetary gears is n = 3, the comprehensive meshing error amplitude is
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Matlab solution of dynamic equation of sealed rotor system with gear meshing characteristics
The above characteristics of MATLAB make it have a strong advantage in solving differential equations. It provides seven kinds of
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Method for solving dynamic equations of sealed rotor system with gear meshing characteristics
At present, there are mainly analytical method, numerical method and experimental method to solve the dynamic analysis model of mechanical
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Dynamic model and equation establishment of sealed rotor system with gear meshing characteristics
Because the transmission and seal tester is connected by rigid coupling, the dynamic model of the system is shown in
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Finite element model of marine helical gear with backlash
In the process of helical gear transmission, the tooth surface contact deformation is caused by sudden change load, and the
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Parameters of sealed rotor system considering gear meshing characteristics
Based on the independent analysis of planetary gear transmission system and sealed rotor system, the two parts are integrated, and
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Establishment of dynamic equation of sealed rotor system with spur gear
According to the equivalent dynamic model shown in the figure, the dynamic differential equation of the system can be deduced
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Establishment of dynamic model of sealed rotor system with spur gear
According to the structural characteristics of each component in the system, a multi degree of freedom equivalent dynamic model of
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Simplification of sealed rotor system with straight planetary gear
Before the study of the system, firstly, the system is simplified, and the sealed runway and rotor are regarded as
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Structure analysis of sealed rotor system with straight planetary gear
For the rotor with seals, when the rotor is running at high speed, some characteristics of the seal will affect
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Structure analysis of sealed rotor system with straight planetary gear
The rotor with contact seal is taken as the research object. The system is composed of rotor shaft, seal track,
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Analysis of relative displacement of components in Spur Planetary Gear System
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 components in Spur Planetary Gear System
In order to analyze the dynamics of the system, firstly analyze the acceleration of each component in the planetary gear
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Establishment of equivalent dynamic model of Spur Planetary Gear System
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 System
Damping is an important introduction in the study of gear system dynamics. Because the damping value of gear system meshing
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Comprehensive meshing error of Spur Planetary Gear System
In the process of actual processing and installation of gears, it is inevitable to produce a variety of errors. These
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Total meshing stiffness of inner and outer meshing pairs of Spur Planetary Gear System
(1) When the gear teeth are in the single tooth meshing area, the total energy u in the meshing pair
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Bending stiffness, shear stiffness and axial compression stiffness of internal gears in Spur Planetary Gear System
In the picture: RR — pitch circle radius; RRB — radius of base circle; RRF — root circle radius; φ
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Bending stiffness, shear stiffness and axial compression stiffness of outer gear of Spur Planetary Gear System
In the picture: RB — radius of base circle; RF — radius of tooth root circle; Bending stiffness Kb: Shear
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Hertz contact stiffness of inner gear and outer gear in Spur Planetary Gear System
According to Hertz law, the elastic compression of two isotropic elastic bodies can be described by two projectile near the
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Nonlinear backlash of Spur Planetary Gear System
As shown in the figure is a sketch of the gear meshing pair with backlash. Its function is to reserve
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Meshing phase calculation of Spur Planetary Gear System
The meshing phase relationship of planetary gears can be determined according to the position angle of planetary gears and the
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Meshing frequency calculation of Spur Planetary Gear System
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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Calculation example of hypoid gear
The FH hypoid gear is still used as an example, and the basic parameters of the gear used in the
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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
Scientific
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.