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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Scientific
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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Achievements in lubrication and protection of open bevel gear of open disc feeder
The working diagram of 1.5 m open disc feeder with automatic lubrication, oil return and protection functions is shown in
Scientific
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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Modification of open bevel gear lubrication and protection components of open disc feeder
The big gear 12 and the small gear 11 with open fit are running naked in operation. In addition, due
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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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Open bevel gear of open disc feeder
A concentrator has a history of 50 years. It is a concentrator which mainly concentrates on molybdenum and vice versa.
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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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Influence of gear tooth line radius on tooth thickness deviation
Taking the circular arc tooth line cylindrical gear as the research object, two common machining methods (parallel link machining method
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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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Milling technology of parallel connecting rod and rotary cutter head for circular arc tooth profile cylindrical gear
The schematic diagram of two processing technologies of circular arc tooth line cylindrical gear is shown in Fig. 1 Processing
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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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Tooth profile characteristics analysis of circular-arc-tooth-tracecylindrical gear with different processing technology
Gear is one of the important mechanical transmission parts, widely used in aerospace, automobile industry, ship machinery, equipment manufacturing and
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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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Metallographic examination of inner crack of 42CrMo4 gear hub blank
Through grinding and polishing, and observing under optical microscope, it is found that the middle part of the crack is
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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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Internal crack inspection and electron microscope scanning of 42CrMo4 gear hub blank
After quenching and bluing treatment, fracture inspection and Bluing test are conducted after longitudinal fracture of steel. Through observation, it
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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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Basic parameters of single stage double circular arc spiral bevel gear
The single-stage nutation spiral bevel gear is obtained by sweeping along the tooth line with double circular arc as the
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Macrostructure inspection of internal crack in 42CrMo4 gear hub blank
The instrument model used for ultrasonic flaw detection is cts-1002 digital ultrasonic flaw detector. As the diameter of steel is
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Production process and defect detection method of gear hub blank
Production process of gear hub blank Electric furnace smelting → die casting → forging → annealing → peeling → ultrasonic
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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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Cause analysis of internal crack in flaw detection of 42CrMo4 gear hub blank
The gear hub is assembled in the drive gearbox of railway vehicles. The material used is 42CrMo4 and the specification
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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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Development of sealed rotor system with gear meshing characteristics
As a complex sealed rotor system, the theoretical analysis and research of the system are carried out in this paper.
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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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Research on sealed rotor system with gear meshing characteristics
Based on the dynamic theory, the planetary gear speed increasing system and the rotor system with contact seal are analyzed
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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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Parameter setting of Adams model for sealed rotor system with gear meshing characteristics
(1) Set material properties According to the actual material of each component, add the material of each gear, planetary carrier,
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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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Adams dynamic simulation analysis of sealed rotor system with gear meshing characteristics
Due to the complexity of the three-dimensional model of the sealed rotor system considering the gear meshing characteristics, which includes
Scientific
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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Characteristics of MATLAB and its application in gear industry
Matlab is a very powerful and popular mathematical analysis software. Its full name is ma trix Laboratory (i.e. Matrix Laboratory).
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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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Time varying meshing stiffness of Spur Planetary Gear System
In essence, stiffness excitation is a kind of parametric excitation based on the number of teeth. In the process of
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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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Description of nonlinear factors of Spur Planetary Gear System
From the point of view of vibration theory, gear transmission system is more complex than ordinary mechanical system, and the
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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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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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Dynamic characteristics of sealed rotor system with gear meshing characteristics
Taking the practical engineering application as the background, this paper takes the sealed rotor system considering the gear meshing characteristics
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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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Overview of rotor system dynamics in China
The nonlinear dynamic characteristics of rotor system have also been studied in China. In 2002, Li Songtao, et al. Studied
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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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A survey of rotor system dynamics abroad
The research on the dynamic characteristics of rotor has experienced from linear theory to nonlinear theory, and the research and
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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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Overview of research on dynamics of planetary gear transmission system in China
Because of its unique advantages, planetary gear transmission system has been widely used in industrial and agricultural production, but its
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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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A survey of research on dynamics of planetary gear transmission system abroad
In recent years, with the continuous development of mechanical vibration theory, the research on mechanical system at home and abroad
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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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Research background and significance of dynamic characteristics of sealed rotor system considering gear meshing characteristics
As a kind of rotating machinery which mainly relies on rotary motion to complete power and motion transmission, it is
Scientific
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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Ease off active design of hypoid gear pair tooth surface
In order to improve the working performance of FH hypoid gears, a ease off active design method for hypoid gears
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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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Research on FH hypoid gear of drive axle
The FH hypoid gear of high performance drive axle is taken as the research object. The tooth surface modeling, tooth
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Finite element results and analysis of FH hypoid gear
When the gear rotates in the forward direction, the concave surface of the small wheel drives the convex surface of
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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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Finite element modeling and mesh generation of FH hypoid gear
Taking the FH hypoid gear in the above section as an example, according to the gear parameters, the full tooth