Three dimensional simulation test of hypoid gear with small number of teeth and large reduction ratio
Compared with other hypoid gears with small number of teeth and large reduction ratio, hypoid gears not only have many […]
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Application test based on gear hobbing model simulation of spur gear
Gear as the core mechanical foundation. Despite the high requirements for the manufacturing and installation accuracy of gears, with the
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Digital simulation of gear hobbing process
Digital simulation technology is a comprehensive technology based on a variety of disciplines and theories, using computer and its corresponding
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Precision forging of spiral bevel gear blank
Although a lot of research has been done on precision forging of spiral bevel gears at home and abroad, there
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Installation requirements of hob spindle and gear hob
The fit between hob spindle and gear hob inner hole should be accurate and firm, which is necessary to improve
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Application of numerical simulation technology in gear forging
Since the 1990s, with the development of computer software and hardware, numerical simulation methods have made great progress. There are
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Selection of gear hob
With the improvement of gear hobbing technology, gear hobs are gradually developing towards integration, small diameter and multi head. The
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Application of numerical simulation technology in spur gear forging
Before the 1990s, the research and production of gear forging were mainly based on physical simulation. That is because the
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Machining deformation mechanism of extra large split straight bevel gear
Super large straight bevel gear is a key component in China’s large-scale equipment. Due to the limitation of transportation and
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Gear hobbing principle
Gear hobbing processing principle, as shown in the figure. There are many processing methods for cylindrical gears. According to the
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Comparison and analysis of numerical simulation results of spiral bevel gear blank with real object
The actual forging of spiral bevel gear (without punching and trimming) is shown in the figure. Comparing the numerical simulation
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Forging process of driven spiral bevel gear blank
In view of the problems of large material waste and high cost caused by the traditional die design and process
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Research on gear forging in China
China’s gear manufacturing industry started late. It began to produce gears in the 1950s and formed its own gear manufacturing
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Machining principle and error of gear hobbing
With the progress of science and technology, the introduction of technology and the deepening of technological transformation, the processing technology
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Forging process of driven spiral bevel gear blank
The purpose of this paper is to simulate the forging process of the blank of the driven spiral bevel gear
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Tooth surface vibration reduction of ease off modified hypoid gear
In order to improve the comprehensive transmission performance of automobile drive axle, the ease off modification hypoid gear tooth surface
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Vibration reduction optimization of ease off modified hypoid gear
Hypoid gear is widely used in vehicle main reducer. With the development of spiral bevel gear towards high speed and
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Research on spur gear forging
The research on spur gear forging at home and abroad mainly focuses on the precision forging of spur gears. The
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Transmission error and meshing impact of Helical Gears Considering tooth surface friction
Transmission error is an important excitation that causes the vibration and noise of helical gears. It is a parameter that
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Digital simulation of cylindrical gear hobbing process
The basic research idea is: carry out digital simulation on the gear hobbing process of cylindrical gear, analyze the position
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Helical gear transmission considering tooth friction
(1) This paper breaks through the condition limitation of calculating the time-varying contact line length of helical gear multi tooth
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Spiral bevel gear forging
Forging is a plastic forming processing method, which uses various pressure machines to exert pressure on the metal blank under
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Common helical gear modification methods
Many scholars at home and abroad have put forward a variety of theories and methods for helical gear modification. At
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Research status of gear hobbing abroad
According to the research results, the existing problem is to simplify the gear hobbing process in three-dimensional space to two-dimensional
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Determination of helical gear modification
There are many methods to modify the helical gear drum shape. At present, there are mainly the following two methods;
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Influence of helical gear modification on dynamic contact stress
The impact and vibration of helical gear will inevitably occur in the process of transmission meshing, which will increase the
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Research status of gear hobbing in China
Gear hobbing machine is widely used in automobile, machine tool, engineering machinery and other machinery manufacturing industries. In gear hobbing,
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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