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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Calculation of geometric parameters of Gleason hypoid gear
The calculation method of geometric parameters of hypoid gear formulated by Gleason company is to preliminarily preset the initial value
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Preliminary determination of pitch circle radius of pinion of hypoid gear pair
In Gleason algorithm, the following calculation formula is recommended for the helix angle of hypoid gear and pinion: Generally, 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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Causes of helical gear tooth direction modification
During the operation of the machine, it is subjected to external load or self load. Some of these loads are
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Boundary conditions imposed by material parameters of helical gears
Both helical gear 1 and helical gear 2 are linear elastic materials. The young’s modulus of helical gear 1 is
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Principle analysis of the influence of tool error on gear hobbing accuracy
As shown in the figure, it is the schematic diagram of error transmission in the machining process on the gear
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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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Basic parameter relations of involute helical gears
The tooth trend of the involute helical gear is the helix angle, and the normal tooth profile is in the
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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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Determination of initial value of pitch circle radius of large gear of hypoid gear pair
The pitch diameter D2 of the large gear of the hypoid gear pair is directly related to the size of
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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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Study on the load distribution in the tooth direction of involute helical gear
Uneven load distribution of helical gear is a common engineering problem, which should be considered as a key issue in
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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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Modal analysis and solution of helical gear
According to the set boundary conditions, the helical gear is solved and analyzed, and the 20th order modal value of
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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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Establishment of finite element analysis model for helical gears
The geometric model of helical gear is established and assembled by using pro/e software. Here, it is agreed that the
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Principle and error analysis of gear hobbing
The machining principle of gear hobbing is shown in Figure 1. Theoretically, during gear hobbing, the gear hobbing hob meshes
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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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Oil film at contact position of concave bionic cylindrical gear
Using five basic equations and MATLAB software for numerical calculation, select six contact points in the direction of gear tooth
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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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Initial design conditions of Gleason hypoid gear pair
When calculating the geometric parameters of hypoid gear, Gleason company specifies detailed steps, and each step has a fixed formula.
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Evaluation of tooth surface roughness of spiral bevel gear
Different gear processing methods form the micro complex morphological characteristics of spiral bevel gear tooth surface, which brings difficulties to
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Calculation results and analysis of dynamic contact of helical gear
Figure 1-2 shows the maximum equivalent stress nephogram of the main and driven helical gears, and figure 3-13 shows the
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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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Ingenious setting of helical gear boundary conditions and calculation of partial order
(1) Set contact pairs For the convenience of analysis and calculation, the helical gear profile is selected through the namedselection
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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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Contact stress of helical gear in automobile transmission
Due to the complex contact problem of helical gear, further research is needed in the following aspects: ① Fully parametric
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Stress analysis of straight bevel gear in z direction
When different processing methods are selected, the z-direction stress nephogram of the upper surface of straight bevel gear blank is
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Gear tooth profile modification
In recent years, many scholars have done a lot of research on gear modification, and there are many modification methods
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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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Formation of tooth profile surface of spur helical gear
As shown in the figure, the forming process of the tooth profile surface of the involute straight tooth spur helical
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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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Limit characteristics of hypoid gear meshing
The induced normal curvature of the two conjugate surfaces is the difference between the normal curvature of the two surfaces,
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Finite element simulation analysis of optimization scheme of spur gear
As shown in Figure 1, the distribution of blank velocity field in the forming process after the optimization of spur
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Analysis steps of dynamic contact stress of helical gear
1. Establishment of dynamic contact model and meshing The solid model is imported into HyperMesh for meshing. The mesh model
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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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Simplification of helical gear model
Due to the large amount of three-dimensional finite element simulation calculation of helical gear, considering the factors such as computer
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Contour spiral bevel gear cutter
The contour spiral bevel gear milling cutter bar is mostly in the shape of prism, and the cross section in
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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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Equivalent stress analysis of metal forming force of spur gear
As shown in Figure 1, the second-order effect force field of scheme is shown. As shown in figure a, in
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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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Principle of helical gear tooth profile modification
The meshing process of helical gear is affected not only by the distribution of tooth profile load, but also by
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Oil film at contact position of smooth cylindrical gear
Using five basic equations and MATLAB software for numerical calculation, select six contact points in the direction of gear tooth
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Dynamic contact stress of helical gears with different backlash
According to the structural parameters of the fourth gear helical gear pair of a heavy truck transmission studied, the dynamic