Time varying contact line and time varying tooth surface friction in multi tooth meshing of helical gears
The time variation of contact wire is one of the important characteristics of helical gear transmission. The change of the […]
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Influence of backlash and stiffness of gear support shaft on dynamic contact stress of helical gear
The contact process of helical gear in the movement process is a highly nonlinear problem, and its contact strength is
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Calculation results and analysis of static contact of helical gear
Through the general post processor, we can view and analyze the solution results, observe various displacement, stress and other cloud
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Research status of spur gear tooth surface friction
In the early research, because the dynamic impact theoretical analysis and experimental analysis of tooth friction are also limited, the
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Spur gear meshing impact
Scholars at home and abroad have also done a lot of research and Analysis on the meshing impact of gear
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Influence of tool error on gear hobbing accuracy
When the gear hobbing machine processes the gear, the accuracy of the cutter has a great influence on the gear
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Dynamic contact analysis and tooth profile modification of helical gears
There are many methods about helical gear modification. Only the transient dynamic contact and tooth direction modification of helical gear
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Meshing deformation and meshing stiffness of helical gears
In the past 30 years, a large number of scholars have used finite element, experimental analysis and theoretical calculation to
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Meshing and boundary conditions of straight bevel gear blank
Before the finite element analysis, first save the three-dimensional model file of spur bevel gear split blank created in UG
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Dynamic contact analysis and tooth alignment optimization of helical gears
The parametric modeling of helical gear and the dynamic contact analysis of helical gear with ANSYS software are studied. The
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Optimization of cutting force and cutting parameters of spiral bevel gear NC milling machine
The development and application of modern numerical control technology provides a foundation for the development of spiral bevel gear machining
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Spur gear transmission with tooth surface friction in China
Spur gear transmission is widely used in the fields of machinery, electronics, textile, metallurgy, mining, automobile, aviation, aerospace and shipbuilding.
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Tooth direction modification of involute helical gear
The tooth direction modification of helical gear mainly refers to three elements: the direction of modification is the tooth direction,
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Principle and error analysis of gear hobbing
The principle of gear hobbing process is to mesh the gear workpiece with the hob. The gear hobbing hob is
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Dynamic contact analysis and tooth alignment optimization of helical gears
The research on the gear failure of involute helical gear is carried out, focusing on the engineering problems of uneven
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Helical gear modeling
The three-dimensional modeling of involute helical gear is carried out by UG software. Due to the structural characteristics of helical
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Helical gear modification
It mainly completes the three-dimensional structure design of the helical gear model. First, the modal analysis of the helical gear
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Drum modification of involute helical gear
The basic theory of drum trimming is that when the inclination angle of the helical gear is the maximum, the
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Hypoid gear parametric system
Hypoid gear pair is a special bevel gear pair used to transfer staggered axis motion and load. It has the
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Theory and method of spur gear modification
At present, there are many methods to modify spur gears. The main methods include tooth profile modification and tooth direction
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Tooth direction modification of helical gear
This paper summarizes the model of load distribution in the tooth direction of helical gear, summarizes the method of uniform
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Gear accuracy and gear hobbing technology
Aiming at the most typical gear hobbing process of gear forming, focus on the multivariate mapping relationship between gear accuracy
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Research on NC machining of spiral bevel gear
In view of the existing problems, it is proposed to carry out research in the following aspects: (1) According to
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Contact stress of helical gear in heavy truck transmission
In view of the poor working conditions and large load bearing of the transmission gear of a heavy truck, which
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Helical gear modification
Helical gears will produce vibration, noise, stress concentration and other phenomena in the meshing process. In order to improve the
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Assembly and machining experiment of equal height spiral bevel gear milling cutter
1. Assembly and inspection of cutting tools The assembly of milling cutter bar and milling cutter head and the inspection
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Helical gear meshing
In the process of helical gear meshing, the humidity of helical gear surface is composed of ambient temperature, helical gear
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Helical gear loads and boundary conditions
The application of load is a very important step in the contact analysis of helical gears. The magnitude and direction
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Modal analysis of helical gears
In short, modal analysis of Modalanylasis helical gear is a method to describe the structure according to the inherent characteristics
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Analysis of research status of gear hobbing in China and abroad
Gear hobbing is a very efficient and typical tooth making method. It is widely used in semi finishing of hard
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Finite element analysis of contact stress of spur gear
The mechanical properties of spur gear system have an important influence on the whole transmission. In recent years, the research
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Parametric modeling of helical gear based on Pro/e
Taking the generation mechanism of helical gear involute as the starting point, and according to the structural characteristics of helical
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Spur gear meshing
This paper mainly studies spur gears from the perspective of dynamic contact analysis and consults relevant data at home and
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Helical gears are modeled and meshed
Using ansys12 0 finite element analysis software to analyze the contact stress of gear surface in the process of gear
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Advantages of gear swing rolling
Compared with the traditional cutting process, gear swing rolling process is a completely different process method. It adopts forging process,
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Dynamic contact analysis of spur gears
As we all know, in the mechanical industry, spur gear transmission is widely used in a variety of mechanical equipment.
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Gear hobbing accuracy
Under extremely complex conditions, the bearing capacity, service life, safety and meshing tooth surface contact behavior of high-performance gear transmission
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Contact stress of helical gear in heavy truck transmission
Using the large-scale finite element general software ANSYS and ANSYS / LS-DYNA, this paper analyzes the influence of the contact
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Contact stress of helical gears with different modification methods
In the software ANSYS / LS-DYNA, the contact stress of the helical gear modified by the above two modification methods
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Setting of common parameters in gear shaper machining
The interface of the gear shaper includes the most basic parameter information such as the number of teeth, modulus, internal
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Deformation analysis of bevel gear blank
By using the moment area method, the deformation of the bevel gear blank when machining the tooth groove in the
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Establishment of simulation mechanism for Hypoid Gear Pair
After completing the virtual assembly of hypoid gear pair, enter the simulation analysis module Pro / mechanism to set relevant
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Study on extrusion forming technology of spur gear
The development of precision forming technology is extremely important to a country’s industrial development. European and American countries have long
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Manufacturing technology of spiral bevel gear
The manufacturing accuracy of spiral bevel gear directly affects the transmission efficiency, noise, motion accuracy and service life of machinery
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Tooth backlash definition of helical gear
In a pair of assembled helical gear pairs, backlash J refers to the clearance between the tooth surfaces of meshing
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Comparison of dynamic and static contact analysis results of helical gear
The static and dynamic finite element simulations of the same helical gear pair are carried out respectively. From the stress
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Dynamic and static contact analysis of helical gears
In the transmission process of helical gears, their tooth surfaces are in contact with each other, and the tooth surface
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Simplified conclusion of helical gear calculation model
According to the analysis of dynamic and static contact stress of different helical gears, the following conclusions can be obtained:
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Motion simulation of hypoid gear pair
Pro / mechanism is a special mechanism motion simulation module of Pro / E software. Using Pro / mechanism, the
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Problems in forming spur gear by cold extrusion technology
At present, the main problems faced by the development and wide application of cold extrusion technology of spur gears are
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Machining deformation prediction of large straight bevel gear
Comprehensively analyze the research data related to gear machining deformation. In order to realize the prediction of machining deformation of
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Application example of helix angle measurement of large involute helical cylindrical gear
In the overhaul project of large-scale mechanical press produced, due to the long service time of the press, when checking
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Parametric modeling and simplified model of helical gear
To obtain accurate gear contact stress, the premise is to create an accurate three-dimensional solid model, and the creation of
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Status of helical gear finite element analysis
In the 20th century, gear transmission has been widely used in industry, national defense, agriculture and other fields because of
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Variation law of stiffness during machining of straight bevel gear blank
In the process of cutting teeth, the material of straight bevel gear blank continues to be cut off, and the
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Optimization of cutting parameters for rough milling spiral bevel gear with NC gear milling machine
“Gear manufacturing manual” and other data on the cutting parameters of spiral bevel gears are aimed at the traditional mechanical
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Deformation analysis of straight bevel gear blank during machining
When the straight bevel gear split wheel blank is cut, the material of the cogging part is removed, and the
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Application of cold extrusion technology in spur gear forming
Li Mingliang simulated the forming process of forward extrusion and reducing extrusion of spur gear on DEFORM-3D software. It was
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Stiffness variation characteristics and theoretical modeling in straight bevel gear blank machining
Stiffness is a characteristic value to measure the resistance of straight bevel gear blank to deformation during tooth cutting. The
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Machining deformation of gear blank integral components
Based on theoretical calculation and finite element simulation, Sun Jie and Ke Yinglin of Zhejiang University studied the influence of