Transmission gear model based on optimal modification design
Taking the gear transmission mechanism of a five speed transmission as the research object, the gear transmission mechanism model of […]
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Transmission gear performance optimization based on optimal modification design
Gear is the most common power transmission mechanism used in various types of transmission. It has the advantages of strong
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Gear forming calculation based on DEFORM
As an important transmission system of mechanical equipment, mechanical gear has the advantages of high transmission efficiency, high transmission precision,
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Tractor gear transmission based on mathematical analysis
Although the conventional design can meet the requirements of transmission function, the design scheme is not the optimal design scheme
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Fault diagnosis of planetary gearbox based on elmd optimized by adaptive noise parameters
Due to the advantages of small volume, large transmission ratio, strong bearing capacity and high efficiency, planetary gearbox is widely
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Planetary gearbox based on 1.5-dimensional envelope spectrum
Because planetary gearbox has larger transmission ratio and higher load efficiency than traditional fixed shaft gearbox, it is widely used
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Fault diagnosis of wind turbine gearbox based on long term and short term memory network
Wind energy is a kind of clean and renewable energy, which develops rapidly in recent years, and the installed capacity
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Structure and working principle of spiral bevel gear planetary reducer
The transmission scheme is determined according to the technical requirements for the reducer. The transmission schematic diagram and assembly drawing
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Residual life prediction of gear based on long term and short term memory network
Gear as the transmission device of mechanical equipment, its health has a great impact on the stability and life of
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Comparison of S-N curves between international standard ISO / TS 6336-2 and American Standard an-si / AGMA 2001-d04
Put the two standard S-N curves together, the abscissa is the number of stress cycles, the ordinate is the contact
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Key parts of spiral bevel gear planetary reducer
The rudder plays an important role in the control of flight direction and attitude. The reducer of steering gear mainly
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Selection of calculation coefficients of American Standard gears ANSI / AGMA 2001-d04 and ISO / TS 6336-2
In the calculation of the two standards, the calculation service factors of the two factors are involved. In the international
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Drawing of S-N curve of ISO 6336 standard gear contact strength
20mncr5 hardenability alloy steel, which is commonly used in Europe and China, is selected as the material for tractor gearbox
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Standard S-N curve of tractor heavy duty gear contact strength based on American Standard ANSI / AGMA 2001-d04 and international standard ISO / TS 6336-2
In the gear standard design of American Standard ANSI / AGMA 2001-d04 and international standard ISO / TS 6336-2, the
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Machining principle of spiral bevel gear
The cutting of spiral bevel gear is carried out according to the principle of “imaginary flat top gear”. As shown
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Gearbox fault diagnosis based on multi-channel one-dimensional convolutional neural network feature learning
As the core component of mechanical transmission system, planetary gearbox is widely used in various mechanical equipment. Due to the
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Milling of non circular spiral bevel gear
Bevel gear is widely used in vehicle differential, machine tool transmission box and other transmission machinery. The non-circular bevel gear
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Influence of eccentricity on gear machining control
In the process of gear machining, it is often affected by geometric eccentricity and motion eccentricity, and causes corresponding gear
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Improving the traditional gear sharpening shaving cutter
Gear shaving cutter has a very important impact on the machining accuracy of gears. Therefore, the relevant technical operators need
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Optimization of machining accuracy of gear blank
The machining accuracy of gear blank is very important for the final gear machining accuracy improvement. Therefore, in order to
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Variational problem of VMD construction in gear calculation of variable speed gearbox
The signal f is decomposed into k IMF components, each of which is a finite bandwidth with different center frequency.
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Strictly control gear processing technology
For the improvement of gear machining accuracy, it is necessary to control and manage the related processes of gear machining
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Gear fault characteristics of variable speed gearbox based on VMD order tracking
Gearbox is the core component of transmission machinery. Due to its high working intensity and complex environment, faults often occur.
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Improve the quality of gear shaving
In the gear processing process line, the corresponding processing technology of different parts is not the same, which requires the
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Main influencing factors of gear machining accuracy
At present, gear processing technology has developed a perfect processing line, and the quality and output of gear processing has
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Fault diagnosis of gearbox bearing based on Sanc and one dimensional convolutional neural network
As the key component of power transmission of mechanical equipment, gearbox is widely used in wind power, automobile, aviation and
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Time varying meshing stiffness analysis finite element method and experimental method for cracked gears in service
Wu Jiateng et al. Proposed a new analytical finite element method to solve the time-varying meshing stiffness of tooth root
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Finite element method for time varying meshing stiffness of cracked gears in service
Sun Huagang and others used ANSYS finite element method to obtain the comprehensive meshing stiffness under different crack positions. The
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Analytical method for time varying meshing stiffness of cracked gears in service
The crack of gear directly affects the time-varying meshing stiffness, and then affects the vibration response characteristics and dynamic characteristics
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Crack propagation path of Cracked Gear with time varying meshing stiffness during service
Gear cracks are mainly divided into root cracks and indexing circle cracks. In 2009, chaari et al. Proposed for the
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Fault diagnosis of gearbox bearing based on Sanc and one dimensional convolutional neural network
As the key component of power transmission of mechanical equipment, gearbox is widely used in wind power, automobile, aviation and
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Time varying meshing stiffness of cracked gears in service
Gear transmission system, as a device for transmitting motion and power, has been widely used in various machines and mechanical
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Failure analysis on gear cracking of pitch reducer for wind power generation
Causes of gear cracking The pitch drive system is placed in a high altitude, and the planetary gear of pitch
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Metallographic examination of gear of pitch reducer for wind power generation
The chemical composition of the gear was analyzed by carbon sulfur analyzer and optima800 plasma emission spectrum. The test results
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Gear cracking of pitch reducer for wind power generation
Pitch reducer is widely used in wind power generation system. Its working characteristics are frequent start and stop of intermittent
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Macro fracture inspection of gear of pitch reducer for wind power generation
After ultrasonic cleaning, the fracture surface of the fractured gear can clearly see the crack source area and the reverse
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Tooth profile deviation and tooth thickness deviation of noncircular gears
The number of teeth of circular gear is the total number of teeth on the whole circumference of circular gear,
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Pitch deviation of noncircular gear
On the pitch curve of non-circular gear, the arc length between two adjacent tooth profiles on the same side is
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Measurement of noncircular gear with 3D scanner
Using 3D scanner to measure non-circular gear is to scan non-circular gear to obtain point cloud data model of non-circular
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Measurement of noncircular gear articulated arm scanner
The measurement of non-circular gear with joint wall scanner is to obtain the three-dimensional point cloud model of non-circular gear
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Noncircular gear CMM measurement
Noncircular gear will produce machining error in the process of machining. The size of machining error reflects the level of
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Basic parameters of noncircular gear under test
Noncircular gear can be considered as a deformation of circular gear, that is, its rolling pitch circle has changed into
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Error measurement method of noncircular gear
A lot of research has been done on the measurement of cylindrical gear and non-circular gear at home and abroad,
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Case test of non Hertz contact gear design theory
The results show that the EHL center stress design results are very close to those based on Hertz theory, which
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Case test of non Hertz contact gear design
The dividing circle diameter of driving wheel of locomotive traction gear is 324 mm, transmission ratio μ = 2.59, tooth
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Production example test of non Hertz contact gear
In the general concept of engineers, the gear design method based on Hertz contact theory widely used in current engineering
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Papers on non Hertz contact gear design
There are a lot of literatures about EHL Analysis of gear transmission, but the research on the combination of EHL
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Design method of non Hertz contact gear
Based on the EHL theory, a new gear design theory and method non Hertz contact gear design theory and method
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Non Hertz contact gear design theory
Gear is an important industrial basic component and the core component of mechanical equipment. Its performance and reliability determine the
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Experimental verification of end face spiral gear
In order to verify the correctness of digital closed-loop manufacturing technology for end face spiral bevel gear coupling, grinding experiments
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Construction of digital closed loop manufacturing system for end face spiral gear
The digital closed-loop manufacturing technology of end face spiral gear coupling is to organically combine the numerical control processing technology
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Digital closed loop manufacturing technology of end face spiral gear coupling
The digital closed-loop manufacturing technology of end face spiral gear coupling is studied (1) The mathematical model of tooth surface
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Digital closed loop manufacturing of end face spiral bevel gear coupling
The end face spiral gear coupling (also known as circular arc end gear) was invented by Gleason company. Relying on
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Optimal solution of single stage double circular arc spiral bevel gear
The optimal design mathematical model of single-stage bevel gear nutation reducer is as follows Where 1 ≤ J ≤ 12.
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Single stage nutation reducer with double circular arc spiral bevel gear
According to the principle of nutation, various nutation mechanisms have been designed and studied from the aspects of structure analysis,
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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,
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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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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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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