Detection and Analysis of Bevel Gear Residual Stress
Shot peening is one of the effective ways to improve the contact fatigue strength of bevel gears. Because shot peening […]
Shot peening is one of the effective ways to improve the contact fatigue strength of bevel gears. Because shot peening […]
The pure rolling contact bevel gear, general contact equiangular spiral bevel gear and five point contact equiangular spiral bevel gear
According to differential geometry and finite element method, the kinematic geometry and mechanical properties of conjugate curve bevel gear under
This paper discusses the general principle of multi-point contact conjugate curve bevel gear, mainly discusses its design principle, calculation criteria
When the stress of the bevel gear is greater than the critical strength of the material, the bevel gear usually
The failed bevel gear is that two teeth of the driven wheel of the bevel gear pair of the middle
In the previous discussion, we can know that the spatial conjugate curve is actually the contact line of the tooth
Bevel gear is a very important mechanical part in industry. Its main characteristics are that it can withstand large loads,
The rise of automobile industry in the 20th century has promoted the development of gear technology. The rise of navigation,
Double circular arc gear is a new improved form of traditional gear, which is widely used in the reducer of
In the traditional conjugate curve gear design theory, the tooth surfaces of a pair of conjugate curve gears that can
The generating line is a straight line. When the generating line rolls along the base circle, the locus formed by
In mechanical transmission, gear transmission, belt pulley transmission and sprocket transmission are the three most common transmission mechanisms. Compared with
The traditional conjugate curve bevel gear design theory is conjugate surface meshing theory, and its mathematical basis is envelope theory.
According to the basic principle of conjugate curve meshing, this paper will discuss the conjugate curve meshing theory, focus on
In China, many scholars have also made beneficial contributions to the strength research of spiral bevel gears. For example, Yang
The original spiral bevel gear design was based on geometry and kinematics. Because spiral bevel gear is a load-bearing component
The traditional tractor rear axle adopts planetary gear mechanism to change the transmission ratio, which not only achieves compact structure
The gearbox is the core component of the tractor chassis. At present, tractors mainly use fixed shaft gear boxes, which
In addition to special machine tools, in recent years, with the development of machining center technology, scholars at home and
In China, by analyzing the machining principle of spiral bevel gear and the structure and motion relationship of machining machine
The basic machining principles of Oerlikon and Klingelnberg Spiral bevel gears are the same. The main difference between them lies
The cutting technology of spiral bevel gear was first proposed by wildhaber and Baxter of Gleason company in the United
Because circular arc bevel gear is most widely used in China, domestic scholars have done a lot of research work
For the long epicycloid bevel gear, Litvin et al. Studied the pitch cone design of the hypoid gear machined by
For bevel gears, the most developed and widely used tooth surface design method is conjugate surface meshing and local synthesis
As one of the common mechanical transmission modes, gear transmission is developing towards high speed, heavy load and high precision
Chinese scholars have also made many useful contributions to point meshing involute gear pairs. Tao Shengyuan and others discussed in
The geometric configuration of involute gear teeth has a great influence on the performance of involute gear transmission system. The
The influence of modification on the meshing dynamic characteristics of involute straight bevel gear is studied. In this paper, the
This paper analyzes the vibration characteristics and dynamics of involute straight bevel gear transmission, discusses the tooth modification and gear
It can be seen from the previous analysis that before tooth profile modification, the transmission error of straight bevel gear
The pixel size of the image was measured using the standard 6 × 9 checkerboards, each with a size of
For a long time, the products of many manufacturing enterprises in China are at the middle and low end of
Under the action of various excitations, dynamic transmission error, dynamic contact load, vibration, impact and other dynamic problems will appear
The working performance and transmission reliability of the straight bevel gear system will be affected by various excitations of the
In the process of straight bevel gear transmission, the indirect contact load of gear teeth is unevenly distributed along the
In the process of gear tooth transmission, there will be elastic deformation between gears, and the logarithm of straight bevel
Establishing an accurate mathematical model of gear transmission dynamics is the basis for analyzing and studying the vibration characteristics and
According to the actual load condition of the system, define the input and output of the involute spur bevel gear
At present, there are many software for gear transmission dynamics analysis, such as ANSYS, romax, Masta, kisssoft and so on.
The accuracy of straight bevel gear model will have an important impact on the following dynamic analysis, simulation results and
1. Brief description of transmission structure layout of multi-stage gear reducer The research on the structural layout of the three-stage
Reducer is an independent component composed of gear transmission, worm transmission and gear worm transmission enclosed in a rigid housing.
This paper discusses the research status of tooth modification technology, gear transmission dynamics theory and gear transmission dynamics simulation analysis
Mechanical equipment has higher and higher requirements for the stability, vibration performance and accuracy of gear transmission, but various errors
The production and processing process of heavy industry can not be separated from the help of various heavy-duty equipment. Usually,
In the primary stage of gear transmission dynamics research, based on the lack of effective numerical methods to solve the
1) Analytical theory The theoretical basis of gear transmission dynamics research is mechanical linear dynamics theory and nonlinear dynamics theory,
The established three-dimensional digital models of the half shaft gear and planetary gear are introduced into the software of the
Straight bevel gear is the main component of mechanical system. It has the characteristics of constant speed ratio, stable transmission
Breaking through the existing Gleason gear cutting system and based on the generation principle of spherical involute tooth surface, this
With the deeper understanding of the automobile, the noise of the automobile, especially the noise of the transmission system, has
It is necessary to complete the manufacturing of straight bevel gears on demagi five axis machining center. After the machining
Based on the motion analysis and computer simulation of two-axis linkage gear cutting, the principle prototype of spiral bevel gear
In the motion simulation module of UG software, the motion simulation model of half shaft gear and planetary gear meshing
The calculation and simulation machining before the cutting experiment of spiral bevel gear can eliminate the errors in the NC
Straight bevel gear is used to realize the transmission between two-phase orthogonal shafts. The angle of shaft intersection is usually
Based on the research on the new three-axis linkage milling method of spiral bevel gear, the cutting motion is further
In order to further understand the spiral bevel gear, this chapter first briefly introduces the classification, basic transmission principle and