Common wear forms of large open gear
Failure mode of open gear The main failure modes of open gear are pitting corrosion, spalling, plastic deformation, gluing, broken […]
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Lubrication and maintenance of large open gear
Gear is one of the key transmission parts of mechanical equipment, and is a main form of equipment power conversion:
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Transient dynamic analysis results of marine helical gear
In the process of helical gear meshing, because the hardness of the gear shaft is higher than that of the
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Time varying load torque of marine helical gear driven wheel
The MNF file generated in ANSYS is used to replace the ring gear on the wheel hub, that is to
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Research on dynamic characteristics and profile modification of marine helical gears
The dynamic characteristics of marine gearbox transmission system directly affect the fatigue life of gear and the transmission efficiency of
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Finite element quasi static contact analysis method for helical gears
The mesh quantity and quality of the finite element model directly affect the speed and accuracy of the calculation results.
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Distortion mechanism and meshing performance of helical gears with profile modification
Gear is an important basic part of industrial equipment. With the development of modern industrial technology, higher requirements are put
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Definition and analysis framework of gear nonlinear vibration reliability
Firstly, the reliability of gear nonlinear vibration is defined as the probability that the vibration displacement, vibration velocity and vibration
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Multi point traversal method for nonlinear vibration reliability analysis of gear mechanism
Gear mechanism is widely used in aviation, aerospace, machine tools and key infrastructure and other fields, and is usually the
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Factors of industrial gear noise
Material selection The most commonly used material of gear is steel, followed by cast iron, nonferrous metals, nonmetal, etc., but
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The dynamic performance simulation model of multi-stage gear transmission system is established
After establishing the mathematical model of the dynamic performance of the multi-stage gear transmission system, the dynamic performance simulation model
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Dynamic performance analysis and optimization of gear transmission system
Compared with ordinary gear transmission system, multi-stage gear transmission system has many advantages, such as small volume, light weight, high
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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
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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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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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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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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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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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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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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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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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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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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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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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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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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
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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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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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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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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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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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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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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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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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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
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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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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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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
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Prospect of Spur Planetary Gear Transmission System
As a complex sealed rotor system, the theoretical analysis and research of the system are carried out, and the related
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Research prospect of Spur Planetary Gear Transmission System
Based on the dynamic theory, the planetary gear speed increasing system and the rotor system with contact seal are analyzed
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Experimental and theoretical results of Spur Planetary Gear
Considering that the test system is more complex, it is affected by many objective factors such as the accessories of
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Test scheme of Spur Planetary Gear
The physical quantity measured in the test is mainly the radial vibration of the rotor in the sealing tester. Therefore,
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Test scheme of Spur Planetary Gear
The physical quantity measured in the test is mainly the radial vibration of the rotor in the sealing tester. Therefore,
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Experimental study on dynamic characteristics of Spur Planetary Gear
The sealed rotor system considering gear meshing characteristics is a complex mechanical system composed of gear pairs, rotors, seals and
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Performance characteristics of contact seal for Spur Planetary Gear
The reason why the contact seal can play a sealing role is that the contact between the seal and the
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Description of nonlinear factors of Spur Planetary Gear
From the point of view of vibration theory, gear transmission system is more complex than ordinary mechanical system, and the
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Time varying meshing stiffness of Spur Planetary Gear
In essence, stiffness excitation is a kind of parametric excitation based on the number of teeth. In the process of
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Dynamic characteristics of gear mesh seal rotor system
Taking the practical engineering application as the background, this paper takes the sealed rotor system considering the gear meshing characteristics
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Study on dynamics of rotor system
The nonlinear dynamic characteristics of rotor system have also been studied in China. In 2002, Li Songtao, et al. Studied
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Overview of rotor system dynamics
The research on the dynamic characteristics of rotor has experienced from linear theory to nonlinear theory, and the research and
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Study on dynamics of domestic star gear transmission system
In China, in 1997, Zhang Jianyun et al. Established the dynamic model of 2K-H Planetary Gear Reducer by using the
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Study on dynamics of planetary gear transmission system abroad
In foreign countries, in 1999, Jian Lin and Parker R G analyzed the inherent characteristics and free vibration characteristics of
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Study on dynamics of planetary gear transmission system
In recent years, with the continuous development of mechanical vibration theory, the research on mechanical system at home and abroad
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Dynamic characteristics of sealed rotor considering gear meshing characteristics
As a kind of rotating machinery which mainly relies on rotary motion to complete power and motion transmission, it is
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High performance drive axle FH hypoid gear pair tooth surface
The FH hypoid gear is mainly studied. Firstly, the tooth surface modeling is carried out by cutting simulation, and the
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Active design method of FH hypoid gear tooth surface
There are a series of performance requirements in gear working process, such as tooth surface bearing capacity, installation tolerance and