Solid modeling of helical gear
In recent years, with the continuous research in the field of face gear, according to the axis relationship of transmission […]
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Scientific
Force analysis of double point contact equal angle spiral bevel gear
The bevel gear model is analyzed by finite element method. The grid size setting, physical parameters, boundary conditions and their […]
Scientific
Dynamic performance analysis of modified straight bevel gear
The dynamic analysis of the straight bevel gear system is carried out by using romax software, and the dynamic response […]
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General conjugate curve bevel gear
The design theory and design method of pure rolling contact conjugate curve bevel gear have been discussed. However, in the […]
Scientific
Influence of error coupling compensation on meshing characteristics of herringbone gear
According to the finite element simulation results of and axial displacement, the assembly offsets of 0.05 mm, 0.1 mm, 0.15 […]
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Machining status of helical face gear
1.Present situation of spur gear machining The processing method of face gear is similar to that of ordinary cylindrical gear, […]
Scientific
Conjugate curve equation of pure rolling contact of bevel gear
For a pair of bevel gears, to maintain pure rolling contact means that there is no relative sliding motion between […]
Scientific
Analysis of transmission error and contact load of modified spur bevel gear
1) Tooth isometric modification The straight bevel gear model with equidistant modification of tooth direction is imported into romanxdesigner software […]
Scientific
Axial force analysis of herringbone gear with centering error
As the force along the axis of gear meshing, the axial force determines the axial vibration of gear, and indirectly […]
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Development of face gear transmission
In recent years, the research on face gear transmission has been carried out abroad, and the team led by F. […]
Scientific
Transmission error of straight bevel gear transmission
The transmission error of straight bevel gear is one of the main internal incentives to study the dynamic performance of […]
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Wide application of involute gear
Involute gear is an extremely important basic part in various equipment manufacturing industries. In the outline of the national medium […]
Scientific
Axial displacement analysis of herringbone gear with centering error
When the herringbone gear pair with alignment error is meshed, the eccentric load on the tooth surface will have a […]
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The gear transmission in which cylindrical gears and bevel gears mesh with each other is called face gear transmission
As shown in the figure, the intersection angle of the two axes is γ 1 is an involute cylindrical gear […]
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Influence of alignment error and error coupling compensation on meshing characteristics of herringbone gear
(1) Based on the gear loading contact analysis method and golden section method, the loading contact analysis model of Herringbone […]
Scientific
Tooth contact analysis of herringbone gear with centering error
Based on the accuracy standard, combined with the structural constraints of large energy machinery and equipment and the requirements of […]
Scientific
Solution of dynamic differential equation of straight bevel gear
For a long time, because there is no effective mathematical method to solve the dynamic equation of straight bevel gear, […]
Scientific
Establishment of dynamic model of spur bevel gear transmission
Only by establishing an accurate mathematical model of gear transmission, can the dynamic simulation analysis of gear transmission process be […]
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The necessity of dynamic simulation analysis of involute straight bevel gear
From the current research status of gear dynamic analysis, it can be seen that the dynamic simulation analysis of cylindrical […]
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Analysis and optimization of romax designer for gear transmission
With the in-depth study of mechanical transmission system dynamics, there are more and more kinds of software used for transmission […]
Scientific
Three dimensional solid modeling of modified involute straight bevel gear
According to the determined modification parameters and combined with the established straight bevel gear model, the tooth profile arc modification […]
Scientific
Load contact analysis of herringbone gear with centering error
In order to verify the accuracy of the load contact analysis model of herringbone gear with centering error, a three-dimensional […]
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Influence of alignment error and error coupling compensation on meshing characteristics of herringbone gear
Herringbone gear transmission has the advantages of high bearing capacity, stable transmission and small axial load. It plays an important […]
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Research methods of gear transmission
Gear dynamics takes a pair of gears or the whole gear system as the research object, aims to study and […]
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Research status of straight bevel gear tooth modification in China
By analyzing the current situation of determining the drum shape in foreign countries, song Lemin obtained the calculation formulas of […]
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Research status of spur gear tooth modification abroad
As the mechanical industry is more and more inclined to require the spur gear system with high speed and low […]
Scientific
Load contact analysis model of herringbone gear with centering error
Based on the helical gear LTCA model obtained by Litvin et al. Based on the finite element loading contact analysis […]
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Gear hobbing of face gear based on spherical hob
The aviation industry has high requirements for transmission performance. Face gear transmission is a new transmission mode to realize intersecting […]
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Generation principle of tooth surface of spherical involute spiral bevel gear
Based on the generation principle of tooth surface of spherical involute spiral bevel gear, two new tooth cutting methods are […]
Scientific
Machining simulation of two axis linkage milling of spiral bevel gear
Based on the establishment of the simplified model, gear blank model and tool model of the two-axis linkage gear cutting […]
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Influence of other factors on mechanical properties and quality of gears
1) During grinding, the feed rate is large, the grinding speed is fast, and the tooth surface temperature is too […]
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Experiment on machining face gear with spherical hob
For the face gear with the parameters shown in example 2 in Table 1, the spherical hob is manufactured, and […]
Scientific
Implementation scheme of two axis linkage gear cutting of spiral bevel gear
It can be seen from the analysis that the two-axis linkage cutting machining of spiral bevel gear is mainly composed […]
Scientific
Digital modeling technology of spiral bevel gear
The spiral bevel gear calculation software is used to analyze the simulated contact mark. The calculated meshing area is compared […]
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Effect of different heat treatment methods on mechanical properties of gears
With the increasing demand for coal mine output, the TBM model has higher and higher requirements for gear quality and […]
Scientific
Simulation of machining face gear with spherical hob
The gear hobbing process of face gear spherical hob is simulated by VERICUT software. Since the minimum number of undercutting […]
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The new milling method of spiral bevel gear with two axis linkage
Based on the research on the new three-axis linkage milling method of spiral bevel gear, the cutting motion is further […]
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Analysis of Gear Heat Treatment Defects
The gears installed in the transmission, reducer and differential undertake the tasks of changing speed, output torque and driving the […]
Scientific
Machining simulation of three-axis linkage milling of spiral bevel gear teeth
Based on the establishment of the simplified model, gear blank model and tool model of the gear cutting machine tool, […]
Scientific
Profile equation of face gear hobbing
The coordinate system of face gear hobbing is established, as shown in Figure 7. The fixed coordinate system SH0 (xh0, […]
Scientific
Cutting principle of convex tooth surface based on generation line of spiral bevel gear tooth surface
Based on the analysis of the generation principle of convex tooth surface, it can be seen that the convex tooth […]
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Heat treatment defects and technical improvement of tractor gears
Shanghai Tractor internal combustion engine Co., Ltd. studied the spline hole distortion of xf-125 primary transmission gear, carried out tests […]
Scientific
Basic worm equation of spherical hob for face gear
Taking right-hand rotation as an example, the coordinate system for the forming of face gear spherical hob based worm is […]
Scientific
Key geometric elements and names of spiral bevel gears
The tooth profile of spiral bevel gear is mainly composed of concave tooth surface, convex tooth surface, tooth top part […]
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Study on chemical heat treatment process of gears
1) Chongqing Changjiang diesel engine factory has carried out rapid gas nitrocarburizing process test and mass production assessment on 45 […]
Scientific
Design principle of spherical hob based worm for face gear
Similar to the evolution from rack to ordinary gear hob, the evolution process from cylindrical gear to spherical hob based […]
Scientific
Influence of input torque on dynamic equation of bevel gear
In order to consider the influence of torque on the dynamic response of central transmission bevel gear, keep the input […]
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Study on gear annealing and quenching and tempering process
For a long time, the forging blanks of car gears are mostly treated by normalizing process. In recent years, with […]
Scientific
Tooth surface equation of face gear
The forming of face gear tooth surface is based on the generating cutting of cylindrical spur gear shaper and face […]
Scientific
Common heat treatment defects of gears and their prevention methods
1. Cracks 1) In the carburizing diffusion stage, the carbon potential is high, the carburizing layer carbon concentration is too […]
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Gear material and forming
1. Practice has proved that the general machine tool gears are made of medium carbon steel and treated by induction […]
Scientific
Defects of gear heat treatment and its influence
Whether carburizing quenching, carbonitriding quenching, induction heating quenching or overall heating quenching, the possible heat treatment defects during gear quenching […]
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Development prospect of gear hobbing technology
With the rapid development of information technology and material technology, many new technical achievements have appeared in the field of […]
Scientific
Traveling wave vibration speed of bevel gear
After the natural frequency and vibration mode of bevel gear are determined, the resonance speed diagram shown in the figure […]
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Study on dynamics of spiral bevel gear
Compared with cylindrical gears, due to the structural form of bevel gears, there are always vibration problems in bevel gear […]
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Research on key technologies and hot technologies of gear hobbing equipment manufacturing
Due to the greatly shortening of the transmission chain, the NC gear hobbing machine reduces the influence of manufacturing error, […]
Scientific
Failure analysis of heat treatment crack of spiral bevel gear
(1) Analysis of crack properties From the crack morphology, the crack originates from the stress concentration. Whether the root of […]
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Improvement of gear hobbing process and error control
For a long time, short service life, poor reliability and heavy structure have become the three major problems restricting the […]
Scientific
Process and results of heat treatment crack failure test of spiral bevel gear
(1) Macro morphology of crack: observe the crack morphology of three pairs of spiral bevel gears from the appearance, as […]
Scientific
Development and types of Involute Gears
Gears are widely used in mechanical transmission devices and are one of the common mechanical parts. Human beings began to […]