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 […]
This paper summarizes the model of load distribution in the tooth direction of helical gear, summarizes the method of uniform […]
The geometric model of helical gear is established and assembled by using pro/e software. Here, it is agreed that the […]
In view of the poor working conditions and large load bearing of the transmission gear of a heavy truck, which […]
Helical gears will produce vibration, noise, stress concentration and other phenomena in the meshing process. In order to improve the […]
In the process of helical gear meshing, the humidity of helical gear surface is composed of ambient temperature, helical gear […]
Figure 1-2 shows the maximum equivalent stress nephogram of the main and driven helical gears, and figure 3-13 shows the […]
The application of load is a very important step in the contact analysis of helical gears. The magnitude and direction […]
(1) Set contact pairs For the convenience of analysis and calculation, the helical gear profile is selected through the namedselection […]
In short, modal analysis of Modalanylasis helical gear is a method to describe the structure according to the inherent characteristics […]
Due to the complex contact problem of helical gear, further research is needed in the following aspects: ① Fully parametric […]
As shown in the figure, the forming process of the tooth profile surface of the involute straight tooth spur helical […]
Taking the generation mechanism of helical gear involute as the starting point, and according to the structural characteristics of helical […]
1. Establishment of dynamic contact model and meshing The solid model is imported into HyperMesh for meshing. The mesh model […]
Using ansys12 0 finite element analysis software to analyze the contact stress of gear surface in the process of gear […]
Due to the large amount of three-dimensional finite element simulation calculation of helical gear, considering the factors such as computer […]
Using the large-scale finite element general software ANSYS and ANSYS / LS-DYNA, this paper analyzes the influence of the contact […]
The meshing process of helical gear is affected not only by the distribution of tooth profile load, but also by […]
According to the structural parameters of the fourth gear helical gear pair of a heavy truck transmission studied, the dynamic […]
In a pair of assembled helical gear pairs, backlash J refers to the clearance between the tooth surfaces of meshing […]
The static and dynamic finite element simulations of the same helical gear pair are carried out respectively. From the stress […]
In the transmission process of helical gears, their tooth surfaces are in contact with each other, and the tooth surface […]
According to the analysis of dynamic and static contact stress of different helical gears, the following conclusions can be obtained: […]
① Generation of single helical tooth Using “curved surface → swept”, select the gear profile as the swept section. Since […]
To establish a curve in CAD, we first need to establish the parameter equation of the curve. The involute equation […]
To obtain accurate gear contact stress, the premise is to create an accurate three-dimensional solid model, and the creation of […]
In the 20th century, gear transmission has been widely used in industry, national defense, agriculture and other fields because of […]
Helical gears play a pivotal role in advancing robotics, significantly impacting the development and functionality of next-generation automation solutions. Their […]
The strain distribution of helical gear blank during final forging is shown in the figure. The maximum strain during final […]
The temperature field distribution of spiral gear die is the key factor of the life of spiral gear die. The […]
1. Test method The error value of main parameters of helical gear is measured by helical gear precision detector. Fix […]
In order to further verify the correctness and effectiveness of the profile design method of the rake face of the […]
The interaction between power transmission and moving gear teeth is a typical complex system with high load, coexistence of multiple […]
The cutter for machining helical offset non orthogonal face gear is involute helical gear shaper cutter, and the involute tooth […]
Two process parameters that have a significant impact on the cutting force are selected, namely tool speed and tool feed. […]
In the process of helical gear turning, each tooth of the turning tool will go through a process from cutting […]
The geometric modeling of helical gear turning tool is realized by using UG three-dimensional modeling software. In order to simplify […]
The machining simulation of helical gear turning is carried out by using VERICUT simulation software. Firstly, the virtual machining machine […]
The structural parameters of gear turning tool include modulus, number of teeth, helix angle and pressure angle. Modulus and pressure […]
Select a point m on the cutting edge of helical gear turning tool, and establish the reference plane of tool […]
The structure of the gear turning cutter is similar to that of the helical cylindrical gear. The three-dimensional shape of […]
Forging blank is the first link in the processing and manufacturing of large helical gears. The main work is to […]
Spiral gear is a key part used in mechanical transmission and power. It has high technical content, wide uses and […]
After the precision plastic work is completed, the workpiece may be close to the punch or stuck in the die, […]
The blank with lower boss needs to be obtained by large bar cutting, which not only wastes man hours, but […]
The normal profile is scanned according to the spiral guide line to generate the helical gear profile surface, and then […]
The blank material is DEFORM-3D material library AISI-4120, the temperature is 850 ℃, the temperature effect in heat conduction and […]
Figure 1 shows the helical cylindrical gear in the automobile gearbox. The normal surface modulus M = 2.5mm, the number […]
Helical cylindrical gear is an important transmission part widely used in automobile and machinery industry. Its shape is complex, and […]
The solid contour is generated by cutting the solid contour as the spiral surface, and then the contour is generated […]
For a long time, for designers, the design or development of a process scheme is basically based on production experience. […]
When the module, number of teeth, helix angle and process parameters of helical gear are consistent, three groups of different […]
In the process of helicall gear design, CAD / CAM / CAE integrated software UG is adopted. Combining the three-dimensional […]
The difference between helical gear and spur gear is that the teeth of helical gear are distributed along the helix. […]
(1) The parametric modeling of helical gear is carried out by using three-dimensional modeling software UG. After parametric modeling, helical […]
Through the numerical simulation analysis of the closed die forging of helical gear, the parameters such as temperature, friction factor, […]
Due to the formula of indexing circle diameter d = mz, it can be seen that the diameter of the […]
For a long time, for helical gear designers, the design or development of a process scheme is basically based on […]
All teeth on helical cylindrical gears are the same and have unified characteristics. The normal tooth profile will be generated […]
At present, the research on precision plastic forming of bevel gear and spur gear has made great progress and has […]
Warm forging of helical gear is a kind of plastic forming process with less and no cutting developed on the […]