Finite element analysis of helical gear pairs in subway vehicles
The composition of a certain type of subway vehicle is:+Tc-M-M-T-M-Tc+. Among them,+is a semi-automatic coupler, – is a semi permanent […]
Scientific
News
Worm Gears in Automotive and Industrial Applications
Worm gears play a significant role in both automotive and industrial applications, offering performance and reliability benefits in various systems. […]
News
Mastering Gear Shaping Techniques for High-Quality Gear Production
Mastering gear shaping techniques is crucial for achieving high-quality gear production. Here are some key considerations and techniques to help […]
Scientific
Prediction model for bending fatigue life of helical gears based on energy method
1. Energy accumulation curve According to the first law of thermodynamics, the increment of internal energy per unit volume of […]
Scientific
The influence of non-standard center distance on the dynamic characteristics of helical gears in shakers
By increasing the installation center distance of the helical gear and introducing a fixed backlash value, the dynamic characteristics of […]
Scientific
Single tooth bending fatigue test of cylindrical gears
It is necessary to conduct bending fatigue tests to study the bending fatigue life of cylindrical gears. The current bending […]
News
Current status of research on bending fatigue of helical gears in China
Wang Shuo and other scholars established a three-dimensional model of a helical gears, and conducted static analysis of the helical […]
News
Gear Shaping: A Detailed Look at the Process of Gear Cutting
Gear shaping is a precise and efficient process used for cutting gear teeth. It involves the use of a gear […]
Scientific
Prediction of bending fatigue life of helical gears
The variation of bending stress on the tooth root during traction of subway vehicles is significant, so establishing a widely […]
Scientific
The influence of center distance on the fatigue life of helical gear pairs
1. Determination of Special Operating Points for Exciter Helical Gear Transmission The exciter helical gear pair typically performs three types […]
The center distance of the helical gear of the vibrating screen exciter affects its dynamic characteristics
The synchronous box type shaker is the power source of the mining linear vibrating screen. The helical gear pair is […]
News
Gear Shaping: Unveiling the Art of Accurate Gear Tooth Formation
Gear shaping is a machining process that involves the precise formation of gear teeth using a gear shaping machine and […]
News
Experimental verification of model accuracy for cylindrical gears
Based on the formula, the predicted bending fatigue life of cylindrical gears can be obtained, and the results are shown […]
Scientific
Analysis of tooth profile characteristics of non orthogonal helical gears
1. Root cutting conditions The root cutting phenomenon of helical gear profile is generally caused by the appearance of singularities. […]
News
Gear Shaping: The Essential Process for Precision Gear Manufacturing
Gear shaping is a machining process widely used for the precise manufacturing of gears. It involves the use of a […]
Scientific
Mathematical model of non orthogonal helical gear system
The tooth profile of non orthogonal helical gears is usually meshed through point contact, transmitting the transmission power of cross […]
News
Vibration screen exciter helical gear center distance
1. Dynamic modeling of excitation system Although the gear transmission system of the vibrating screen exciter is a simple helical […]
Scientific
Grinding error of internal helical gears
ZHY Gear adopts the principle of a multi-body system and establishes its kinematic model using a CNC machine tool to […]
News
The tooth profile equation of non orthogonal helical gear pairs
The cylindrical spiral curve is located on helical gear 1, expressed as: In the formula, x1, y1, and z1 are […]
News
Online monitoring and compensation of grinding errors in internal helical gears
CNC machine tools are one of the most widely used manufacturing equipment in the automotive, aerospace, and military fields, playing […]
News
Leveraging the Potential of Straight Bevel Gears
To leverage the full potential of straight bevel gears and achieve gear engineering excellence, several key factors should be considered. […]
News
The Guide to Gear Manufacturing of Gear Hobbing
Gear hobbing is a widely used manufacturing process for producing gears. It is a highly efficient method that utilizes a […]
News
Hobbing quasi hyperboloid gears with full generation method of cutter inclination
As a more complicated bevel gear in gear transmission, quasi hyperboloid gear has a series of advantages, such as strong […]
News
Contact analysis of drum helical gears with distortion errors
Helical gears are the most widely used transmission device and play an important role in various transmission systems in fields […]
News
The Effect of Root Cracks on the Time-Varying Meshing Stiffness of Wind Power Planetary Helical Gears
The wind power planetary helical gear transmission system is a key component in the wind power generation gearbox. Wind turbines […]
News
Research on Spur Gear Modification Based on Elastohydrodynamic Friction Pair Stiffness
Replacing the maximum modification amount of spur gear meshing stiffness with the meshing stiffness of spur gear elastohydrodynamic friction pairs […]
Scientific
Design analysis of helical gear modification for aviation reducers
Aviation gear transmission is developing towards high speed and heavy load. As the core component of various power devices, the […]
News
Modification of spur gears based on the stiffness of elastohydrodynamic friction pairs
For high-speed and high-power transmission spur gears used in high-speed railways, ships, helicopters, megawatt wind turbines, and other applications, as […]
Scientific
Verification of contact stress on the twisted tooth surface of helical gears
Using the parameters of the helical gear calculation in Table 1, Hypermesh preprocessing was used to partition and obtain the […]
News
3D modeling and transient finite element analysis of highly modified cylindrical spur gears
Firstly, this article calculates the geometric parameters of meshing cylindrical spur gears through the transmission calculation of highly modified cylindrical […]
Scientific
Dynamic performance of helical gear pairs based on tooth breakage fault
Helical gear systems often operate in complex environments such as high speeds, high temperatures, and harsh loads. In enclosed gearboxes, […]
Scientific
Analysis and simulation of contact and thermal effects of helical gears
Compared with spur gear transmission, helical gear transmission has the advantages of stronger load-bearing capacity and smoother transmission process, and […]
News
Finite element analysis of spur gears based on AnsysWorkbench
By conducting transient dynamic analysis on highly modified cylindrical spur gears and verifying the strength of spur gear meshing transmission, […]
Scientific
Theoretical Calculation of Contact Strength of Spur Gear Tooth Surface Based on Hertz Theory
1.Calculation formula of Hertz theory The problem of contact mechanics was first proposed and studied by Hertz. He proposed the […]
News
3D Modeling of Highly Modified Cylindrical Gears Based on UG (CAD)
UG is a software that integrates CAD/CAM/CAE, with powerful functions and the ability to easily construct complex entities and shapes. […]
News
3D modeling of highly modified cylindrical spur gears
In modern mechanical transmission, cylindrical spur gear transmission is the most important type of transmission. It consists of the main […]
News
Worm Gear Lubrication: Best Practices for Longevity and Performance
Proper lubrication is critical for ensuring the longevity and performance of worm gears. The lubricant serves multiple purposes, including reducing […]
Scientific
Experimental Test on Velocity Fluctuation of Arc Teeth in Elliptical Arc Tooth Line Cylindrical Gears
Based on the simulation results of Adams, experimental testing and analysis were conducted on the speed fluctuation characteristics of elliptical […]
Scientific
The Influence of Speed on Speed Fluctuation of Elliptical Arc Tooth Line Cylindrical Gears
At present, the application scenarios of elliptical arc tooth line cylindrical gears are gradually developing towards high-speed and heavy-duty directions. […]
Scientific
Analysis of kinematics Simulation Results of Elliptic Spiral Tooth Line Cylindrical Gear Pair
As shown in Figure 1, select the stable output speed curve, which is 0 2~0.5 s operating interval. (a) Gear […]
Scientific
Research on Accurate Reconstruction Method of Gear 3D Point Cloud Based on Binocular Vision
In recent years, visual measurement has been widely applied due to its high speed, non-contact and other characteristicsIntelligent measurement fields […]
Scientific
Setting of kinematics Simulation Parameters of Elliptic Spiral Tooth Line Cylindrical Gear Pair
Gear number Knife head radius RT/mm Maximum value of driven wheel speed/(°)/s) Minimum value of driven wheel speed/(°)/s) Average value […]
Scientific
Analysis of kinematics Simulation Results of Elliptic Spiral Tooth Line Cylindrical Gear Pair
According to the principle of elliptical arc tooth line cylindrical gear transmission, the formula for calculating the rotational speed of […]
News
Setting of kinematics Simulation Parameters of Elliptic Spiral Tooth Line Cylindrical Gear Pair
Import the model of elliptical arc tooth line cylindrical gear pair into Adams, add constraints and motion pairs in the […]
News
Establishment of a Model for Elliptical Arc Tooth Line Cylindrical Gear Pair
On the premise of ensuring the same modulus, tooth ratio, tooth width and pressure angle, the model of elliptical arc […]
Scientific
Finite element analysis of contact in secondary gear transmission system and gearsWeb offset design
With the rapid development of modern industrial technology, the demand for gearsThe performance requirements of the transmission system are also […]
News
Heat Treatment Quality Control: Detecting and Eliminating Defects
Effective quality control in heat treatment is essential to ensure the reliability and performance of heat-treated components. Detecting and eliminating […]
News
The Concept of Elliptical Arc Tooth Line Cylindrical Gears
The geometric features of elliptical arc tooth line cylindrical gears are shown in Figure 1. The tooth surface is divided […]
News
Factors Influencing the Velocity Fluctuation of Elliptical Arc Tooth Line Cylindrical Gear Transmission
Cylindrical gear transmission devices are widely used in various mechanical structures. With the vigorous development of modern manufacturing, the dynamic […]
Scientific
Solution to the Stiffness of Each Part of the Tooth Profile of Involute Spur Gear
As mentioned earlier, no matter how the number of teeth changes, the transition curve always exists and follows the formula. […]
Scientific
Basic principle of improved algorithm for spur gear meshing stiffness
Define point G as the starting point of the involute tooth profile, point K as the end point of the […]
Scientific
Basic principle of potential energy method for calculating time-varying meshing stiffness of spur gears
The basic idea of determining the meshing stiffness of spur gears is to calculate the actual tooth contact deformation at […]
Scientific
Optimization of Profile Modification for Helical Gear Pair
The transmission error and contact marks of helical gears can reflect the meshing performance of helical gear pairs. To investigate […]
Scientific
Running load and fatigue of the rack and pinion of the shipliftlife span study
As an important navigation facility of the Three Gorges Water Control Project, the ship liftOne of the important components of […]
News
Finite element simulation analysis of helical gear pair before modification
The tooth surface analysis of a standard helical gear pair before modification under load conditions is shown in the figure. […]
News
Bearing capacity of polymer gear tooth surface based on nominal gear equivalent loadResearch on Ability Evaluation Method
Polymer gears are characterized by their self-lubricating, low-cost, low-density,The advantages of high resilience and internal damping characteristics are increasingly valued,Its […]
Scientific
Research on flow pulsation characteristics in multi-tooth cavity of aviation circular arc gear pump
Aviation fuel system and stable and powerful propulsion for enginesClosely related, as a main component of the fuel system, aviation […]
News
Finite element simulation model of helical gear pair
The three-dimensional assembly model of the helical gear pair transmission system established in UG is saved in x.t format, and […]
Scientific
Railway vehicle gearbox lubricantAnalysis of operating status
The replacement of lubricating oil for the gearbox of urban rail transit vehicles mainly involves the following reasonsThere are two […]
Scientific
Mechanical transmission gear meshing periodic contactLoad and stress analysis
The structure and working principle of the gear transmission system determine the mechanicalThe reliability of the transmission and the contact […]