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 […]
Damping is an important introduction in the study of gear system dynamics. Because the damping value of gear system meshing […]
In the process of actual processing and installation of gears, it is inevitable to produce a variety of errors. These […]
(1) When the gear teeth are in the single tooth meshing area, the total energy u in the meshing pair […]
In the picture: RR — pitch circle radius; RRB — radius of base circle; RRF — root circle radius; φ […]
In the picture: RB — radius of base circle; RF — radius of tooth root circle; Bending stiffness Kb: Shear […]
According to Hertz law, the elastic compression of two isotropic elastic bodies can be described by two projectile near the […]
As shown in the figure is a sketch of the gear meshing pair with backlash. Its function is to reserve […]
The meshing phase relationship of planetary gears can be determined according to the position angle of planetary gears and the […]
The meshing frequency of gears refers to the meshing times of teeth in unit time. For NGW type planetary gear […]
As shown in the figure is the structural diagram of the straight gear planetary gear transmission system. The planetary carrier […]
The FH hypoid gear is still used as an example, and the basic parameters of the gear used in the […]
According to the definition of tooth surface error in Chapter 4, it is used to represent the error between the […]
The position of the instantaneous center of motion in the inertial system can be kept unchanged and the transmission is […]
In order to obtain the ideal conjugate surface of the small wheel, according to the theory of the big wheel, […]
In addition to the change of cutter and cutter head parameters, the change of machine tool setting parameters will also […]
Preset transmission error curve The vibration and noise generated by gear meshing mainly come from the transmission error of gear, […]
The influence of five parameters of cutter and cutter head on the tooth surface is analyzed, including tooth profile angle, […]
90 points are selected to reflect the overall error of the tooth surface. 9 points are evenly distributed in the […]
According to the hypoid gear model, the sensitivity of tooth surface errors at different positions to various machining parameters is […]
As the tooth surface of FH hypoid gear is relatively complex, it is difficult to mesh directly on the tooth […]
According to Hertz contact theory, the elastic deformation of tooth surface increases with the increase of contact stress when the […]
The modeling method of FH hypoid gear is shown in Fig. 1 The two tooth surfaces are assembled in the […]
After meshing, the preprocessing file is imported into ABAQUS and set as follows: (1) Material definition: the material parameters of […]
The physical quantity measured by the sensor is the radial vibration acceleration signal of the rotor in the sealing tester, […]
Considering the gear meshing characteristics of the seal rotor system dynamic characteristics test device, the actual photos and overall structure […]
The detailed steps of solving the elliptic boundary and contact line of the instantaneous contact between two tooth surfaces based […]
The number of planetary gears is n = 3, the comprehensive meshing error amplitude is e = 10 μ m, […]
The rotor with contact seal is taken as the research object. The simplified model is shown in Fig. 1. The […]
The planetary gear transmission system studied in this paper has fixed inner gear ring, planetary carrier and sun gear as […]
As shown in the figure, the relative position relationship of each gear is in the meshing state. (1) Projection of […]
As shown in the figure, the relative position relationship of each gear is in the meshing state. (1) Projection of […]
In order to carry out dynamic analysis of the system, this section first analyzes the acceleration of each component in […]
As shown in the figure is the translation torsion coupling dynamic model of the spur gear transmission system established in […]
The model of gear transmission system is the expression of system mechanics and mathematics, and is the basis of gear […]
Damping is an important introduction in the study of gear system dynamics. Because the damping value of gear system meshing […]
The meshing phase relationship of planetary gears can be determined according to the position angle of planetary gears and the […]
In the process of actual processing and installation of gears, it is inevitable to produce a variety of errors. These […]
According to Hertz law, the elastic compression of two isotropic elastic bodies can be described by two projectile near the […]
As shown in Fig. 1, the sketch of gear meshing pair with backlash is used to reserve the side clearance […]
Face milling (FM) and face hobbing (FH) are widely used in machining bevel gears, hypoid gears and other complex curved […]
The meshing frequency of gears refers to the meshing times of teeth in unit time. For NGW type planetary gear […]
As shown in the figure is the structural diagram of the straight gear planetary gear transmission system. The planetary carrier […]
In terms of theoretical analysis, the theoretical basis of gear system dynamics has gradually developed from the earliest impact theory […]
The imaginary profile wheel is composed of the path of the blade in the virtual machining process, and the number […]
The surface roughness Ra near the ablation pit can objectively reflect the micro geometric characteristics of the ablated material surface. […]
After femtosecond laser micromachining the tooth surface, optical microscope dmm-300c was used to observe the characteristics of ablation ring morphology […]
The finite difference method is used to solve the two temperature equation. The laser pulse width is 800 FS, and […]
In the study of femtosecond laser ablation of 20CrMnTi gear material, the two temperature model is used to study the […]
20CrMnTi, commonly used material for spiral bevel gears, is a kind of good carburizing steel with high impact toughness, high […]
According to the international standard of iso6336-1-2006, the average meshing stiffness of a gear is regarded as the total stiffness […]
According to the above-mentioned time-varying meshing stiffness equation of helical gear, the contact line of helical gear pair is used […]
In order to study the time-varying meshing stiffness of helical gears, a three-dimensional model is established by three-dimensional software, and […]
When calculating the meshing stiffness of helical gear by slicing method, because the tooth surface of helical gear is helical, […]
When a pair of helical gears are engaged, the contact line of the two gear surfaces is a straight line […]
In the process of gear meshing, the time-varying meshing stiffness is mainly related to the meshing force and deformation of […]
The tooth spalling model is shown in Figure 1, where SH is the depth of tooth spalling, SL is the […]
When the potential energy method is used to solve the time-varying meshing stiffness of spur gear, the meshing stiffness mainly […]
With the rapid development of wind power technology in recent years, improving the working performance of wind turbine is gradually […]
In order to analyze the influence of rolling process parameters on rolling process, orthogonal test method was used to analyze […]
The rolling process is divided into four stages: initial feeding stage, gear dividing stage, continuous feeding rolling stage and shaping […]