Accuracy verification of finite element calculation of meshing stiffness of spiral bevel gear
Because the stiffness calculation of spur gears is now very mature, many literatures have given relevant regression formulas. In order […]
Because the stiffness calculation of spur gears is now very mature, many literatures have given relevant regression formulas. In order […]
The inspection of meshing contact area of spiral bevel gear in machining and assembly is traditionally colored meshing inspection. That
In order to study the influence of different dynamic loading conditions on the contact area of spiral bevel gear, the
Take the following values for relevant parameters: Z H, and take 2 according to the tooth profile angle and helix
In order to study the contact force variation characteristics of spiral bevel gears under dynamic meshing, the contact force variation
The size and position of the tooth surface contact area of spiral bevel gear affect the vibration, noise and bearing
In the field of engineering technology, the method of finite element analysis has been widely used. It has involved many
With the rapid development and wide application of finite element technology, it plays a more and more important role in
The working condition of spiral bevel gear pair can be simulated in computer by properly preprocessing the finite element mesh
Based on the three-dimensional geometric model of spiral bevel gear, the meshing characteristics of spiral bevel gear are analyzed under
Study the tooth surface forming principle of face hobbing Cycloid Bevel gear, and form a complete set of theories and
① A calculation method for cutting adjustment of spiral bevel gear face hobbing is proposed. This method can arbitrarily specify
Due to the large number of moving axes of spiral bevel gear milling machine, there may be errors in the
Based on the generation principle of tooth surface of spherical involute spiral bevel gear, two new tooth cutting methods are
Based on the establishment of the simplified model, gear blank model and tool model of the two-axis linkage gear cutting
It can be seen from the analysis that the two-axis linkage cutting machining of spiral bevel gear is mainly composed
The spiral bevel gear calculation software is used to analyze the simulated contact mark. The calculated meshing area is compared
Based on the research on the new three-axis linkage milling method of spiral bevel gear, the cutting motion is further
Based on the establishment of the simplified model, gear blank model and tool model of the gear cutting machine tool,
Based on the analysis of the generation principle of convex tooth surface, it can be seen that the convex tooth
The tooth profile of spiral bevel gear is mainly composed of concave tooth surface, convex tooth surface, tooth top part
Compared with cylindrical gears, due to the structural form of bevel gears, there are always vibration problems in bevel gear
(1) Analysis of crack properties From the crack morphology, the crack originates from the stress concentration. Whether the root of
(1) Macro morphology of crack: observe the crack morphology of three pairs of spiral bevel gears from the appearance, as
When measuring the tooth surface of logarithmic spiral bevel gear, there is an error between the theoretical value and the
The three-dimensional tooth digital model is obtained through reverse engineering modeling. The digital model only includes tooth width, face cone,
Based on the improvement of the meshing theory of logarithmic spiral bevel gear theory, aiming at the existing logarithmic spiral
Expressed as the shape error of logarithmic spiral bevel gear, the vertical distance between each measuring point on the real
The machining process of spiral bevel gear is to first establish the theoretical mathematical model, then convert the mathematical model
Based on the idea of reconstructing the real tooth surface of logarithmic spiral bevel gear, the original data points of
When the complex data of logarithmic spiral bevel gear tooth surface is obtained by laser scanner, the accuracy of data
Gear is an important part of mechanical transmission device, which has the characteristics of high efficiency, compact structure, high reliability
Spiral bevel gear is widely used in power transmission of aviation, vehicles and machine tools because of its stable transmission
Three pairs of spiral bevel gears for reducer were heat treated in the heat treatment processing company according to the
The so-called “cloud points” data refers to the three-dimensional data of the real object measured by various methods in the
3D model reconstruction mainly uses the point cloud data on the model surface collected by spiral bevel gear reverse engineering
The processing of tooth surface point cloud in reverse engineering of spiral bevel gear is a very important process, which
Spiral bevel gear is an important part of high-precision equipment. Spiral gear is generally processed by spiral milling machine. Because
Gleason of the United States has always been in a leading position in the world in the design and processing
Other parameters remain unchanged. Under different input torques, the variation of dynamic load coefficient amplitude of spiral bevel gear transmission
Other parameters remain unchanged. Under different support stiffness of spiral bevel gear driving wheel, the variation of dynamic load coefficient
Because spiral bevel gear is widely used in all walks of life, the development of spiral bevel gear processing machine
The vibration characteristics of mechanical system can usually be described by the natural frequency and vibration mode of the system.
Damping ring vibration reduction technology is an effective measure to improve the vibration characteristics of gears. By embedding damping rings
The meshing stiffness of cylindrical gear is usually calculated as a two-dimensional plane problem. The elastic deformation of single tooth
In order to analyze the material flow and stress conditions at different positions of forged spiral bevel gear, six points
During the cold precision forging of spiral bevel gear big wheel, the blank deforms under the loading force of the
Six points are selected on the tooth surface. Points P1 ~ P3 correspond to three positions on the convex surface
According to the characteristics of the forging process, the tooth profile of the spiral bevel gear is trimmed, which is
The forging of spiral bevel gear belongs to complex curved surface forging. As shown in the figure, the forging difficulty
There are still some difficulties in the precision forging process, so the forging of spiral bevel gear has not been
Import the cold precision forging die and blank model of spiral bevel gear into DEFORM-3D software. The specific steps are
In actual processing, forging blanks are mostly formed by pre forging. First, the blank is pre forged into a blank
The precision forging adopts the closed die forging die. During the forging process, the gap between the upper die and
Spiral bevel gear pair conjugate pinion tooth surface Σ 1 modification, in the field of calculation point m, it is
The design of spiral bevel gear includes the determination of basic parameters of gear pair, the selection of tooth cutting
1. Calculation of tooth profile geometric parameters of precision forged small module spiral bevel gears Under the cold forging process,
As the basic transmission parts of the machinery industry, more and more high-strength and multi-purpose gears and gear like products
The mixed lubrication model is composed of basic equations, Reynolds equation is composed of oil film equation, density equation, viscosity
Benedict and Kelley studied the instantaneous contact friction coefficient of spur gears through the gear test bench, and studied the