Research on the way to solve the knock of automobile transmission gear
At present, the transmission knocking noise is mainly solved in the following ways (see Table 2): from the aspect of […]
Scientific
Scientific
Research on the knock dynamics of automobile transmission gears
With the rapid development of the automobile industry, automobile users have higher and higher requirements for the comfort of automobile
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Gear industry: backward standards restrict development
“To promote the standardization of China’s gear industry, we must break the thinking mode under the planned economy and take
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The first grade precision standard gear is developed in China
Wang Liding’s team of academicians of Dalian University of technology has successfully developed a class 1 precision standard gear, and
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Analysis of the thermal characteristic simulation results of the gear shaft shoulder
Because the bearing and gear of the gear transmission mechanism will produce a lot of heat in the process of
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Study! Spiral bevel gears and hypoid gears
The spiral bevel gear and hypoid gear are important parts in the transmission devices of automobile, tractor, sewing machine, engineering
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Selection of motorcycle gear materials
Gear is one of the most widely used components in mechanical transmission system. Its main function is to transfer power
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Market scale of gear industry in 2025 or nearly 300 billion yuan
“In 2019, the gear industry as a whole maintained a stable situation, which was not significantly affected by the international
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Developing high-end gear will accelerate the upgrading of gear steel
After a period of volatility, the recent gear steel market gradually tends to be stable, and the price is basically
Scientific
Analysis of the factors influencing the contact stress of gear shaft shoulder
The load conditions of the gear assembly mainly include three aspects: the pre tightening torque applied on the tightening nut,
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Study! Basic knowledge of spiral bevel gear
Spiral bevel gears are widely used as important parts of various mechanical equipment, such as machine tools, airplanes, ships, watches
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Development trend of automobile gears in Japan
Automobile gears are developing and improving in solving the problems of quality, cost, production efficiency, environment, safety, etc. At present,
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The gear manufacturer teach you the gear processing process
Gear manufacturing technology is the key to obtain high quality gear. The gear processing technology, because of the gear structure
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Numerical simulation analysis of fretting characteristics of gear shaft
The equivalent stress distribution of the gear assembly and the gear shaft is shown. It can be seen from the
Scientific
Contact fatigue analysis of carburized helical gear
1.Finite element modeling of helical gear The basic idea of establishing carburized helical gear under ANSYS is to first establish
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The tooth surface equation of profile generating rack of variable tooth thickness helical gear
1.Normal profile of profile rack The variable tooth thickness helical gear is generated by the envelope of the generating rack.
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Machining principle of variable tooth thickness helical gear
The geometric characteristics of variable tooth thickness helical gear are: on different end sections of a gear, the tooth shape
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Design capability of gear machining process specification
The design ability of machining process specification is one of the basic qualities that must be possessed by the scientific
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Modeling of gear components under complex working conditions
In the finite element method, the continuum structure is considered to be composed of finite elements connected by finite nodes.
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Gear shaping of face gear
As early as 1945, fellows company has invented the gear shaping processing of face gear. The parameters of gear shaping
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Theory of gear shaft fretting diagram in transmission system
The running state of fretting wear is not only related to the yield strength, material rigidity, elastic modulus and elastic-plastic
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Gear manufacturer to teach you the steps and requirements of rough turning before gear heating
Processing steps and requirements: 1.Card loading requirements a) First, the base surface and non base surface of the workpiece are
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Honing of face gear
In order to reduce the surface roughness value of the hard gear surface and trim the texture of the gear
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Continuous indexing and cutting face gear with straight edge cutter
In order to further improve the machining efficiency of rough cutting soft tooth surface gear with straight edge cutter, Grimson
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Worm cutter cutting and grinding gear
Due to the low efficiency and precision of gear shaping, which can only cut the soft tooth surface gear, it
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Review on the manufacturing technology of face gear
Face gear drive is a kind of transmission mechanism that the involute cylindrical gear (small wheel) and the bevel gear
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Design and transmission performance analysis of circular arc tooth line cylindrical gear reducer
There are many problems in traditional reducers, such as large volume, high quality, low efficiency and high noise when the
Scientific
Load distribution between traction gears of locomotive based on meshing stiffness
For the gears whose coincidence degree is between (1 ~ 2), the meshing process is always in the alternating meshing
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Deformation of locomotive traction gear based on meshing stiffness
In recent years, China’s high-speed railway technology has made great progress. The executive meeting of the State Council deliberated and
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Three body theory of gear shaft fretting wear in transmission system
According to the three body theory of fretting wear, the formation and evolution of wear debris are produced simultaneously and
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Gear manufacturer teach you the requirements of gear finishing after hot turning
Processing steps: 1.Card loading requirements First, the base surface and non base surface of the workpiece are determined, then the
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Three dimensional modeling of circular arc gear and reducer
According to the forming principle of the circular arc tooth line cylindrical gear, in theory, the circular arc tooth line
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Stiffness calculation of locomotive traction gear based on meshing stiffness
According to the definition of gear stiffness: It can be seen that the deformation of gear teeth has a linear
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Crack propagation path and life of helical gear root of Metro gearbox
In recent years, China’s urbanization process is accelerating, and people travel more and more. Urban rail transit system is of
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The gear shaft of transmission system is one of the most important components of power transmission in complex power equipment
The gear shaft of the transmission system is one of the most important components of power transmission in the complex
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Gear manufacturers teach you gear related terms and definitions
1.Standard gear a) Definition: both sides of the gear face with ring groove is the standard gear. b) Function: transfer
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Assembly and simulation design of CVT
1 Assembly of camshaft and slip ring In the adjustment setting of transmission, in order to achieve the final application
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Early theory of gear shaft fretting wear in transmission system
Fretting refers to the micro relative motion of the closely matched contact surface in the mechanical parts under the action
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Standard and definition of rough turning allowance of standard gear before hot turning
Scope of application: conventional gear used on reducer; among them, thin wheel is not applicable to this standard, and the
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Solid modeling of core parts of CVT
1 Drawing method of input shaft, cam and slip ring In the application of transmission gear adjustment, the internal parts
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The main reason of torsional vibration instability of gear transmission shaft of rotating machinery
(1) The transmission system of rotating machinery produces torsional vibration when it bears impact load. The main transmission system of
Scientific
Development prospect of gear hobbing technology
With the rapid development of information technology and material technology, many new technological achievements have appeared in the field of
Scientific
Transmission error of hypoid gear under small load
It can be seen from the calculation model of gear mesh stiffness that before calculating the gear mesh stiffness under
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Gear manufacturer teach you gear technology classification
（1） Cylindrical gear machining （2） Worm pair machining （3） Bevel gear machining （4） Special gear processing （5） Gear machining method
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Structure analysis of continuously variable transmission of automobile mechanical gear linkage
The stepless transmission is of great significance to the driving of automobiles. In view of the current development of automobile
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Development prospect of gear hobbing technology
With the rapid development of information technology and material technology, many new technological achievements have appeared in the field of
Scientific
Principle of electronic gearbox
The “electronic gearbox” was put forward by the British in the s. The purpose is to replace the mechanical transmission
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Gear manufacturers teach you the method of gear base surface identification
1.Gear base: The gear base surface refers to the end face of one side of the gear. When turning the
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Research on the difficulties and key technologies of Hobbing
For a long time, short life, poor reliability and heavy structure have become the three major problems restricting the development
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The influence of the blank shape on the height and pitch of the workpiece in the process of cross wedge rolling
The influence of billets on the forming of rolled pieces is studied. The rolling experiments are carried out on the
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Research on the difficulties and key technologies of Hobbing
For a long time, short life, poor reliability and heavy structure have become the three major problems restricting the development
Scientific
Contact test experiment of face gear
1. Face gear tooth surface contact detection machine According to the parameters of the face gear, the corresponding face gear
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Semi digital and full digital control of gear shaping
Semi digital control of spiral gear shaping The so-called semi digital control refers to the use of digital differential chain
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Gear hobbing technology and equipment
Gear is one of the important basic parts in the fields of automobile, ship, aviation, engineering machinery, daily tools, national
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The gear manufacturer tells you how to process the gear
Gear transmission is the most widely used and common form of mechanical transmission. The gear uses its teeth to transmit
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Deformation law of large gear and gear shaft
Large gear and gear shaft are important parts of reducer. In the process of carburizing and quenching, the deformation of
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Experimental study on forming process parameters of cross wedge rolling helical gear shaft
All kinds of helical gear shafts are components that transmit motion and power, and are used in many mechanical or
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Analysis of steady vibration response of gearbox
SolidWorks software is used to complete the modeling of the whole gearbox. The gear mesh model is imported into ADAMS
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Study on the optimal design method of vibration reduction and noise reduction of gearbox
Gear transmission is the most widely used mechanical transmission mode, which is widely used in mechanical electronics, mining metallurgy, automobile
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Assembly of double planetary gear transmission
Double planetary gears are used in NW and NGWN planetary transmissions. For a planetary transmission with double planetary gears, in