0 Introduction Gear transmission is widely used in power transmission because of its advantages of high transmission efficiency and accurate […]
Aiming at the problem that the applicable scope and results of the three existing domestic standards for the gluing of
In view of the universality of FZG gear gluing test, FZG gluing test gear is selected, and GB/Z 6413 1、
The theoretical comparison of the bonding strength of involute cylindrical gears The tooth surface temperature is an important parameter to
As one of the key basic parts of the mechanical industry, involute cylindrical gears are widely used in aerospace, rail
In order to analyze the influence of variable tooth line radius on the contact stress of circular tooth line cylindrical
The contact stress of the tooth surface of the circular tooth line cylindrical gear is closely related to the tooth
The basic parameters of circular tooth profile cylindrical gear pair are listed in the table. Based on the 3D modeling
As shown in Figure (a), the tooth surface Σ of circular tooth profile cylindrical gear can be considered to be
At present, there are many machining methods of circular tooth profile cylindrical gears that can be queried, such as double-edge
Gear transmission plays a very important role in modern industry. It has the characteristics of high efficiency, compact structure and
Taking a pair of small gears and large gears meshed by cylindrical spur gears as an example, it is known
A detailed study was conducted on the influence of the dynamic characteristics of elliptical arc-shaped cylindrical gears on the velocity
The tooth shape of elliptical arc tooth line cylindrical gears is elliptical arc, and the size of tooth width is
The vibration reduction and noise reduction of cylindrical spur gear transmission has always been a focus of attention in the
The angular acceleration amplitude at the meshing frequency is taken as the evaluation index of the system, and the angular
Number Factor/mm Level 1 Level 2 Level 3 A（a1） Groove width 0.2 0.3 0.4 B（a2） Lateral clearance 0.2 0.07 -0.03
Convert the cylindrical gear pair established by UG to X_ T intermediate format, and then import it into the dynamics
The basic method for machining linear contact curve cylindrical gear pairs with single edge milling cutter head is as follows:
Curved cylindrical gear is a new type of parallel shaft transmission gear, whose teeth are circular arc. In the course
Reducer is an independent component composed of gear transmission, worm transmission and gear worm transmission enclosed in a rigid housing.
1. Data preprocessing Because the point cloud data of the involute cylindrical spur gear measured by the three coordinate machine
The cylindrical gear of reducer bears the random load of road surface and the load of driving motor at the
The primary link of physical reverse engineering is reverse engineering point cloud data acquisition, also known as the digitization of
1. Establish the precise modification model of cylindrical gear Among the components of electric vehicles, cylindrical gear is the most
Generally, during the operation of the automotive electronic control system, the ECU will calculate and judge the physical parameters and
Cylindrical gears have the advantages of strong bearing capacity, stable meshing, convenient processing and adjustment, and are widely used in
Select a single pair of teeth for tooth surface contact stress analysis, import the three-dimensional solid models of double circular
The single side tooth surface of circular arc tooth profile cylindrical gear is composed of multiple curved surfaces. The establishment
1.Calculation of contact stress of cylindrical gear The transmission gear is a cylindrical gear. During the meshing process of the
Theoretical circular arc tooth profile circular arc tooth line gear tooth surface can be generated by the circular arc tooth
Energy and environmental problems are becoming increasingly serious, and new energy vehicles have attracted much attention. Electric vehicles have become
Single circular arc tooth profile arc tooth profile a single tooth is shown in Figure a. its tooth profile curve
Circular arc tooth profile gear is widely used because of its unique multi-point meshing transmission and convex concave tooth surface
The new digital simulation method of cylindrical gear hobbing process is proposed, which provides a new way for cylindrical gear
The new digital simulation method of cylindrical gear hobbing process is proposed. By analyzing the position relationship between the hob
Nominal torque T1: calculate the contact strength of cylindrical gear transmission. Generally, the power P (k, w) transmitted by driving
Using five basic equations and MATLAB software for numerical calculation, select six contact points in the direction of gear tooth
Using five basic equations and MATLAB software for numerical calculation, select six contact points in the direction of gear tooth
1. Equivalent stress analysis of three-dimensional contact of concave cylindrical gear After the calculation, the equivalent stress of the contact
Keep the contact boundary condition with smooth gear consistent with the loading setting treatment method, restrict the degrees of freedom
The three-dimensional solid model of the gear is established by CATIA. After being imported into ANSYS, a series of spherical
In order to study the influence of different modification coefficients on the strength of cylindrical gears, a group of cylindrical
The distribution of metal streamline in each step of the blank making process of cylindrical gear ring is shown in
1. Import model Through the method discussed above, we can establish the three-dimensional model of the modified cylindrical gear in
The research on Isothermal Elastohydrodynamic Lubrication of cylindrical gears does not consider the influence of time and temperature changes on
1. Equivalent stress analysis of three-dimensional contact of smooth cylindrical gear The results of three-dimensional contact equivalent stress of cylindrical
According to the static contact analysis principle of cylindrical gear, the passive cylindrical gear needs to be completely fixed, and
Figure 1 shows the three-dimensional contact solid model of cylindrical gear after importing ANSYS. The general preprocessor in ANSYS is
In order to verify the fatigue pitting corrosion model of cylindrical gear, the FZG cylindrical gear wear tester in the
Automobile cylindrical gear is the main component to transmit driving power. Its wear resistance directly affects the service life of
Because the process of establishing involute cylindrical gear in ANSYS is complex, CATIA, a 3D drawing software with powerful surface
Based on the pressure and shear stress at the meshing interface of cylindrical gear obtained from the above analysis, the
The chamfering of tooth profile is different from the machining of tooth surface. In order to avoid scratching the tooth
In order to further verify the correctness and effectiveness of the profile design method of the rake face of the
In the process of continuous tooth profile chamfering, the cylindrical gear rotates around the c-axis, the tool rolls with the
In order to ensure the accuracy of contact analysis, the influence law of micro morphology of tooth surface should be
The contact deformation in the meshing process of cylindrical gears affects the lubrication behavior of cylindrical gears, which is a
Different from the traditional chamfering method of tooth profile, the new method of continuous cutting chamfering with cutting tools is
