Influence of gear tooth line radius on tooth thickness deviation
Under the same parameters, the author calculates the tooth thickness deviation of different tooth line radii in the same section, […]
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Lubrication technology of large open gear
Spray lubrication Large open gear adopts spray lubrication technology, which requires not only reasonable selection of lubricant but also reasonable
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Lubrication system of large open gear
The working condition of large open gear is very bad. In order to meet the operation characteristics of open gear,
Scientific
Influence of gear tooth width on tooth thickness deviation
When m = 4, z = 31, RT = 100 mm, 200 mm, 300 mm, 400 mm, respectively, measure the
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Influence of design parameters on profile characteristics of cylindrical gear with circular arc profile
The main structural design parameters of circular arc gear include pressure angle, tooth width, tooth radius, modulus, etc. Since there
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Solid additive for large open gear lubricant
Since the main working conditions of open gear are heavy load and low speed, it is necessary for open gear
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Calculation of tooth thickness of spiral cylindrical gear
The profile characteristics of circular arc cylindrical gear have important influence on gear design, tooth profile modification, lubrication, strength, etc.
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Characteristics of different base oils for large open gear lubricants
(1) Performance comparison of different base oils for open gear lubricants. (2) Characteristics of different types of lubricant base oils
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Tooth profile equation of gear milling with rotating cutter head
In order to establish the accurate three-dimensional model of cylindrical gear with circular arc tooth profile and study the tooth
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Types of lubricants for large open gear
(1) Asphalt based products. It is directly extracted from crude oil and contains extreme pressure additives and organic solvents. In
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Gear tooth profile equation of parallel connecting rod machining
The forming principle diagram of cylindrical gear tooth surface with circular arc tooth line processed by parallel linkage mechanism is
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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:
Scientific
42CrMo4 gear hub blank flaw detection and internal crack ultrasonic flaw detection
The instrument model used for ultrasonic flaw detection is cts-1002 digital ultrasonic flaw detector. As the diameter of steel is
Scientific
Comparison between simulation and theoretical results of a sealed rotor system with gear meshing characteristics
The lumped parameter method and ADAMS software are used to model and solve the dynamics of the same research system.
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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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ADAMS simulation analysis of sealed rotor system based on gear meshing characteristics
According to the above analysis, before the simulation starts, the relevant parameters are set, and the corresponding settings are carried
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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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Dynamic equation of sealed rotor system with gear meshing characteristics
In ADAMS simulation software, for any mechanical system with motion constraints, the first Lagrange equation with Lagrange multiplier is used
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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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Define the collision contact force between gear and gear, between seal and seal track, and sleeve force
In ADAMS, the meshing between gear and gear is simulated by contact pair and collision contact force. Therefore, ADAMS simulation
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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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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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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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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
Scientific
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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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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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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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 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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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
Scientific
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
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
Scientific
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