Helical gear transmission considering tooth surface friction
The dynamic characteristics of helical gear transmission considering tooth surface friction are studied and further studied and discussed: (1) Due […]
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Control system of spiral bevel gear machining machine tool
In view of the above problems existing in the current spiral bevel gear machining and manufacturing, a new theory and
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Determination of the modification amount of involute helical gear
Local stress concentration is very easy to damage the normal operation of helical gear. Adopting the method of helical gear
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Development of gear processing machine tools in China
In the early 1950s, China’s gear machine tool manufacturing industry began to develop through the full introduction of the technology
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Mapping Law of gear hobbing machining accuracy
The mapping law between machining system error, gear hobbing principle error, tool error, machine tool vibration and gear machining accuracy
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Research on the mechanism of vibration and noise of spur gears
Figure 1 shows the meshing diagram of spur gear. Single tooth and double tooth meshing are carried out alternately. The
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Helical gear transmission resonance considering tooth surface friction
Helical gear error and time-varying meshing stiffness and other parameter excitation have been considered as the main sources of helical
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Research status of spur gear transmission error
Gear error is another important excitation source of gear vibration and noise. The error is the difference between the actual
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Dynamic characteristics of helical gear transmission
At present, foreign researchers gradually realize that the influence of gear friction on the dynamic characteristics of transmission can not
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Influence of machine tool vibration on gear hobbing machining accuracy
Gear hobbing accounts for more than 90% of the gear forming process. In the cutting process of gear hobbing machine
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Load distribution and deformation of helical gear contact line considering tooth surface friction
High power gear transmission mainly adopts wide helical gear transmission, which has complex form and structure, large load and high
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Cutting force and parameter optimization of spiral bevel gear NC milling machine
The research content provides a reference for improving the cutting efficiency of spiral bevel gear milling machine, reasonably selecting the
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Mechanism of vibration and noise of spur gears
The causes of spur gear vibration and noise are complex, and there are many sources. It has always been a
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Formation mechanism of residual height on tooth surface of spiral bevel gear
As shown in the figure, spiral bevel gear milling machines mostly use disk milling cutters, and multiple groups of blades
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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