Helical gears are widely used in various mechanical systems due to their excellent performance, such as good meshing performance, large overlap ratio, compact structure, low noise, and high load-carrying capacity. Understanding the contact characteristics of helical gears is crucial for improving their reliability and performance. In this article, we will discuss the finite element analysis… Read more: Finite Element Analysis of Contact Characteristics of Helical Gears

1. Introduction Spiral bevel gears (Gleason type) are crucial components in various mechanical systems, especially in high – speed and heavy – load applications such as automotive, aerospace, and marine industries. Their unique characteristics, including high – transmission efficiency, compact structure, and stable operation, make them irreplaceable in many scenarios. However, due to the complex… Read more: Spiral Bevel Gears From Modeling to Performance Analysis

In recent years, with the increasing concern about energy and environmental issues, electric vehicles (EVs) have gained significant attention due to their advantages of zero emissions and low noise. The development of EVs is advancing rapidly, and the high-speed gear transmission system in EVs plays a crucial role in determining the performance and comfort of… Read more: Analysis of Vibration Characteristics of High-speed Helical Gear Transmission in Electric Vehicles

In recent years, electric vehicles have attracted significant attention due to their advantages in terms of energy conservation and environmental protection. However, compared to traditional fuel vehicles, the components of the electric vehicle transmission system often operate under dynamic loads of high frequency, strong impact, and long cycles, which makes the transmission gears more prone… Read more: Research on Dynamic Load Spectrum of High-Speed Helical Gears in Electric Vehicle Transmission Systems

1. Introduction In the realm of mechanical engineering, gears play a crucial role in power transmission and motion control. Among various types of gears, modified helical cylindrical gears are widely used, especially in applications where space is limited and high – performance requirements are imposed. When dealing with the cloning design of these gears, accurately… Read more: The Clone Design and Calculation of Modified Helical Cylindrical Gears A Comprehensive Guide

This article focuses on the variable hyperbolic circular arc tooth trace (VHCATT) cylindrical gear. Aiming to enhance its load – bearing capacity and optimize dynamic characteristics, a tooth surface modification design method is proposed. The research details the entire process from theoretical model establishment to result analysis, including the derivation of modified tooth surface equations,… Read more: Variable Hyperbolic Circular Arc Tooth Trace Cylindrical Gear Modification Design and Load – Bearing Contact Analysis

This article delves into the shot peening technology for spiral bevel gears, a crucial process in enhancing their fatigue life. By establishing a simulation model based on the coupling of discrete element and finite element methods, it accurately predicts the residual stress field on the tooth surface after shot peening. Through experimental verification and parameter… Read more: Enhancing the Fatigue Life of Spiral Bevel Gears A Comprehensive Study on Shot Peening Technology

1. Introduction Gear transmission is a fundamental and crucial component in mechanical systems, renowned for its capabilities such as high – power transmission, high efficiency, and accurate transmission ratio. Among various types of gears, the arc cylindrical gear has attracted significant attention in recent years due to its unique advantages. Compared with traditional involute spur… Read more: Design, Manufacturing and Application of Arc Cylindrical Gears

Gear transmission is widely used in power transmission due to its high transmission efficiency and precise transmission ratio. Compared with helical gears, bevel gears, and worm gears, spur gears have a simpler structure and are easier to process, making them more widely used in all types of gear transmissions. However, when the coincidence degree interval… Read more: Research on Noise Reduction of Spur Gears Based on Viscoelastic Material

Cylindrical gears are widely used in various industries, such as aerospace, rail transit, automotive, agriculture, mining, and many others. The fatigue failure of gears can have serious consequences in practical engineering applications. Therefore, it is of great significance to establish a bending fatigue life prediction model for cylindrical gears that has a wide range of… Read more: Fatigue Life Prediction Model for Cylindrical Gears Based on Energy Accumulation Curve

This article aims to facilitate the precise transmission design of modified gears. Based on the Hertz formula, it calculates the maximum contact stress in the transmission of modified involute spur cylindrical gears, analyzes the location where the maximum contact stress occurs, derives the ratio function (termed as stress ratio) between the maximum contact stress and… Read more: Analysis of Contact Stress in the Transmission Process of Modified Involute Spur Cylindrical Gears

In the field of mechanical manufacturing, the accuracy of gear processing is of great significance for the performance and reliability of mechanical equipment. Helical gears are widely used in various mechanical transmissions due to their advantages such as smooth transmission, high load-carrying capacity, and low noise. However, the processing of helical gears is more complex… Read more: Error Compensation of Helical Gear Hobbing Processing Based on Wavelet Packet Algorithm

This paper conducts a study on the fatigue life prediction of the gear pair aiming at the gear fatigue failure problem of high-speed and heavy-duty aviation fuel gear pumps. Firstly, the allowable safety factor and meshing contact stress of the gear are analyzed by using the Hertz contact model theory, cantilever beam equivalent model and… Read more: Research on Fatigue Life Prediction Method of High-Speed and Heavy-Duty Fuel Pump Gear Pair

In the field of gear manufacturing, the efficiency and precision of processing techniques are of great importance. Traditional methods of manual chamfering and manual input of NC machining codes are becoming increasingly difficult to meet the requirements of modern production and processing, and automated chamfering technology is gradually gaining attention. This article focuses on the… Read more: Secondary Development of Spiral Bevel Gear Tooth Top Chamfering Software Based on FAGOR System

I. Introduction Helical cylindrical gears are widely used in various mechanical equipment due to their high transmission efficiency, smooth transmission, strong transmission capacity, and low noise. They play an important role in agricultural machinery, such as tractors, harvesters, planters, and mixers. The X62W milling machine has the advantages of high precision, high efficiency, controllable accuracy,… Read more: Milling Method of Helical Cylindrical Gear with X62W Milling Machine

In the field of mechanical engineering, the reliability and performance of gears in transmission systems are crucial for the safe and efficient operation of various machinery, especially in subway vehicles. This article focuses on the bending fatigue life prediction and optimization of variable displacement helical gears used in subway vehicle transmissions. The background and significance… Read more: Bending Fatigue Life Prediction and Optimization of Variable Displacement Helical Gears

The performance of an aerospace fuel gear pump is directly related to the stability and reliability of the engine. As fuel gear pumps are developing towards higher rotational speeds and greater power, problems such as reduced volumetric efficiency, flow fluctuations, vibration, and noise have seriously hindered the improvement of their performance. In the production trial… Read more: Study on the dynamic characteristics of multi tooth cavity flow in aerospace arc gear pump

The meshing behavior of a herringbone gear considering lead crowning modification and stagger angle is analyzed in detail. The following content summarizes the key findings and methodologies of the research using tables and illustrations where appropriate. Abstract This paper proposes a new axial displacement iteration method for herringbone gear and establishes a Load Transmission Contact Analysis… Read more: Meshing Behavior of Herringbone Gear Considering Lead Crowning Modification and Stagger Angle

In the field of mechanical engineering, the design and performance analysis of gears are crucial for the efficiency and reliability of various mechanical systems. This article focuses on the modification design and load-bearing contact analysis of a cylindrical gear with variable hyperbolic circular arc tooth trace (VHCATT), providing in-depth insights into its characteristics and applications.… Read more: Modification Design and Load-Bearing Contact Analysis of Cylindrical Gear

This paper establishes a quasi-static elastic model of helical gear based on the change rule of contact line length, the parabolic model of single tooth mesh stiffness per unit of contact length, and ISO6336-1 standard, aiming at the accuracy issue of the approximate replacement method of mesh stiffness of helical gear. It conducts a comparative… Read more: Study on the Calculation of Time-Varying Mesh Stiffness and Load Distribution among Teeth of Helical Gear under Broken Tooth Fault

This article presents a detailed study on gear transmission and a significant property of node acceleration. It begins by introducing a kinematic problem involving gear meshing transmission, then solves it using both geometric and analytical methods. The errors in the original solution are identified. A crucial conclusion is put forward: regardless of whether a gear… Read more: Gear Transmission and Node Acceleration Characteristics

Spiral bevel gears are crucial components in mechanical equipment, widely applied in transmission systems of helicopters, automobiles, and other machinery. The quality of spiral bevel gears directly affects the service life of mechanical equipment. Heat treatment and grinding processes are important steps in the manufacturing of spiral bevel gears, which have a certain impact on… Read more: Analysis and Control of Residual Stress in the Processing of Spiral Bevel Gears

In the field of automotive engineering, the performance and reliability of components such as gears and bearings are crucial for the smooth operation of the vehicle. This article focuses on the simulation analysis of the contact load bearing loss for automotive helical gears using the AMESim software. By accurately simulating the axial and radial loads… Read more: Simulation Analysis of Contact Load Bearing Loss for Automotive Helical Gears Based on AMESim

This paper takes the self-designed new type of bevel gear-roller flat plate continuously variable transmission (CVT) as an example to conduct theoretical research on the slip rate, power loss, and friction efficiency in the transmission process, and uses ANSYS software to simulate and analyze the temperature field of friction heat generation of the roller flat… Read more: Research on Friction Efficiency and Temperature Field of a New Type of Cone Gear Roller Flat Continuously Variable Transmission

This paper focuses on the study of tool wear and workpiece surface roughness in the process of milling spiral bevel gears. The research starts from the forming theory and meshing principle of spiral bevel gears to establish the tool wear and surface roughness mathematical models. Through simulation analysis of the tool wear form and the… Read more: Research on Tool Wear and Workpiece Surface Roughness in the Process of Spiral Bevel Gear Milling

Bevel gears play a crucial role in mechanical transmission, being widely used in aerospace, automotive, and construction machinery transmissions. The quality of their tooth surfaces is an important indicator of meshing transmission performance. However, in the actual quality assessment of bevel gears, there are often difficulties in obtaining process parameters, and establishing theoretical tooth surface… Read more: Relative Evaluation Method in Three-dimensional Measurement of Bevel Gears

Drums play a significant role in various cultures and music. This article aims to provide a detailed exploration of the drum manufacturing process. I. Introduction Drums have a long history and are an important part of musical culture. Different regions and cultures have their own unique drum-making techniques and styles. II. Different Drum-Making Techniques A. The… Read more: The Manufacturing Process of Drums

Spiral bevel gears play a crucial role in mechanical transmission, featuring high，low noise, smooth transmission, high transmission efficiency, and strong load-carrying capacity. To improve processing accuracy, reduce transmission noise, and extend service life, the grinding process is typically adopted to reduce deformation errors. However, the grinding process of spiral bevel gears is a nonlinear and… Read more: Simulation and Analysis of the Grinding performance of compound abrasive grains for spiral bevel gears

Spiral bevel gears, also known as Gleason gears, have high transmission efficiency, compact structure, and stable transmission. They are widely used in high-speed and heavy-load equipment such as automobiles, construction machinery, aerospace, and ships. The strength and dynamic performance of spiral bevel gears are of great significance to ensure the smooth operation of mechanical equipment… Read more: Spiral Bevel Gear Modeling and Contact Analysis

This article focuses on the dynamic change of tooth surface contact of high-precision spiral bevel gears during the meshing process. By analyzing the processing principle of spiral bevel gear tooth surfaces, the tooth surface equation of the spiral bevel gear is established. The tooth surface dispersion point equation is used to accurately calculate the coordinates… Read more: Spiral Bevel Gear Parameter Modeling and Finite Element Contact Analysis

In this article, we will explore the cloning design and calculation of modified helical cylindrical gears. The design and calculation of modified gears are crucial, especially when the width of the modified gear is narrow, and it is necessary to determine all the parameters of the modified helical cylindrical gear based on its modulus, number… Read more: Cloning Design and Calculation of Modified Helical Cylindrical Gears

This article presents a detailed study on the modification design and load tooth contact analysis of a cylindrical gear with variable hyperbolic circular arc tooth trace (VHCATT). The VHCATT cylindrical gear is a novel transmission form with an arc tooth line in the tooth direction, a standard involute curve in the middle section tooth profile,… Read more: Modification Design and Load Tooth Contact Analysis of a Cylindrical Gear with Variable Hyperbolic Circular Arc Tooth Trace

In the field of mechanical manufacturing, high-performance gears play a crucial role, often operating under high-speed and heavy-load conditions. To enhance the fatigue life and service performance of gears, the shot peening process is typically incorporated at the end of the manufacturing process. This process involves the use of high-speed projectiles to impact the surface… Read more: Shot Peening Residual Stress Field Simulation of Steel Spiral Bevel Gear

This article mainly introduces the design and manufacturing method of arc cylindrical gears. Based on the study of the basic rack formed by the expansion of the arc cylindrical gear, it details the basic parameters and design calculation of the gear. The article also focuses on the gear’s tooth cutting process, including the tooth cutting… Read more: Arc Cylindrical Gear Design and Manufacturing

Spiral bevel gears play a crucial role in gear transmission, and their performance directly affects the efficiency and service life of the gear transmission. To obtain spiral bevel gears with excellent mechanical properties and long service lives, many scholars at home and abroad have conducted in-depth studies on the forming, heat treatment, and surface treatment… Read more: Research on the Compound Forming Characteristics of Spiral Bevel Gears

This paper takes a certain aero-engine spiral bevel gear box as the research object and proposes a set of methods for system-level modal analysis of bevel gears. Firstly, a 3D model of the spiral bevel gear pair with accurate tooth surface is obtained based on the design parameters and processing parameters, and static analysis is… Read more: Research on System-level Modal Analysis Method of Spiral Bevel Gear

In recent years, with the continuous advancement of intelligent manufacturing construction and the expansion of green and low-carbon manufacturing coverage, independent operation and maintenance have become an essential stage. It is not only an autonomous manifestation of the best performance of green factories, intelligent manufacturing demonstration factories, and excellent scenarios, but also a practical assessment… Read more: The Application of Electric Spindle on Spiral Bevel Gear Machine Tools

Spiral bevel gears play a crucial role in mechanical transmission due to their advantages such as large contact ratio, low noise, smooth transmission, high transmission efficiency, and strong load-carrying capacity. However, the grinding process of spiral bevel gears is a nonlinear and dynamic complex process. Exploring the complex grinding mechanism of spiral bevel gears by… Read more: Simulation and Analysis of Grinding performance of compound abrasive grains for spiral bevel gears

1. Introduction Spiral bevel gears, also known as Gleason gears, have the characteristics of high transmission efficiency, compact structure, and stable transmission. They are widely used in high-speed and heavy-load equipment such as automobiles, construction machinery, aerospace, and ships. The strength and dynamic performance of spiral bevel gears are of great significance to ensure the… Read more: Spiral Bevel Gear Parameter Modeling and Finite Element Contact Analysis

In the field of mechanical production, roller conveyor lines play a crucial role in enhancing production efficiency and reducing labor costs. The quality of roller conveyor lines directly affects the quality of mechanical production, and among them, bevel gears play a significant part. Advantages of Bevel Gear Transmission Bevel gear transmission is widely used due… Read more: Analysis of the Fatigue Life of Bevel Gears in Roller Conveyor Lines

This article focuses on the application of high contact ratio (HCR) spur cylindrical gears in helicopter transmission systems. It reviews the research status and application progress of HCR spur cylindrical gears at home and abroad, analyzes their advantages and existing problems, and points out the key issues that need to be addressed in the engineering… Read more: Application and Challenges of High Contact Ratio Spur Cylindrical Gears in Helicopter Transmission Systems

This paper focuses on high reduction hypoid (HRH) gears, aiming to comprehensively analyze their geometric modeling, mechanical characteristics, and transmission efficiency. HRH gears play a crucial role in modern mechanical equipment, but their complex topological surfaces pose challenges in research. Through the construction of tooth surface models and ease-off surfaces using the dual equitangent conjugate… Read more: Analysis and Research on High Reduction Hypoid Gears Geometry, Mechanics, and Efficiency

Abstract: The program principle and debugging analysis of gear hobbing back taper teeth with flat roots using unequal pitch hobbing cutters. The aim is to achieve rapid production changeovers, reduce scrap workpieces, and enhance production efficiency. Keywords: flat root; back taper teeth; unequal pitch hobbing cutter; gear hobbing program; debugging analysis 1. Introduction Back taper… Read more: Program Debugging and Analysis of Gear Hobbing Back Taper Teeth with Flat Roots

This paper focuses on the reliability analysis of high-speed heavy-duty gears in terms of vibration and wear. It begins with an introduction to the significance of gears in various fields and the challenges posed by high-speed and heavy-duty operation. Then, the methods for analyzing gear vibration and wear reliability are detailed, including the calculation of… Read more: Reliability Analysis of High-Speed Heavy-Duty Gears Vibration and Wear

This paper focuses on the issue of gear tooth surface wear and the corresponding modification design methods. It first introduces the background and significance of gear wear research, then elaborates on the common wear models and analysis methods, and further explores the modification design strategies and their effects on reducing wear. Through a series of… Read more: Research on Gear Wear and Modification Design A Comprehensive Analysis

This paper focuses on the welding process of the spiral bevel gear cutter head with constant height teeth. Through in-depth analysis of the welding heat deformation theory, establishment of welding models, numerical simulation and experimental verification, the influence of welding parameters and groove gaps on the welding deformation of the cutter head is studied, aiming… Read more: Research on Welding Deformation and Process Optimization of Spiral Bevel Gear Cutter Head with Constant Height Teeth

This paper focuses on the research of the time-varying meshing stiffness algorithm for gears with cracks, especially for gears with a large number of teeth. It aims to improve the traditional calculation method and establish a more accurate model. By clarifying the differences in the geometry of gear teeth and introducing more reasonable parameters, the… Read more: Research on the Improvement of Time-Varying Meshing Stiffness Algorithm for Gears with Cracks and Its Significance in Gear System

This article comprehensively reviews the research status of gear fatigue crack initiation and propagation behavior. It introduces the main forms and causes of gear failure, summarizes the factors affecting gear fatigue strength, and discusses the types of gear cracks and the methods of crack initiation and propagation. In addition, existing simulation methods for gear fatigue… Read more: Crack Initiation Propagation and Prevention

This article focuses on the design and calculation of modified helical cylindrical gears, especially in the context of electric vehicle window regulators. It discusses the importance of gear modification, the methods of determining gear parameters, and the impact of different parameters on gear performance. Through detailed analysis and examples, it provides a comprehensive understanding of… Read more: Design and Calculation of Modified Helical Cylindrical Gears and Their Applications in Electric Vehicle Window Regulators

This paper focuses on the modification design and load tooth contact analysis of cylindrical gears with variable hyperbolic circular arc tooth trace (VHCATT). It aims to improve the load-bearing capacity and dynamic characteristics of such gears. The research involves deriving the modified tooth surface equation, establishing relevant models through geometric contact analysis and finite element… Read more: Analysis and Optimization of Cylindrical Gears with Variable Hyperbolic Circular Arc Tooth Trace

This article focuses on the shot peening process of spiral bevel gears and its impact on the residual stress field. It first introduces the importance of spiral bevel gears in mechanical systems and the role of shot peening in improving gear performance. Then, it details the experimental and simulation methods used in the research, including… Read more: Research on Shot Peening Process of Spiral Bevel Gears and Its Influence on Residual Stress Field

This article focuses on the design and manufacturing of arc cylindrical gears. It begins with an introduction to the significance and advantages of arc cylindrical gears in mechanical transmission. Then, it elaborates on the basic parameters and design calculation methods, compares different cutting methods, and details the manufacturing process and programming. Through practical examples and… Read more: Design and Manufacturing of Arc Cylindrical Gears A Comprehensive Overview

This paper focuses on the bearing cage fracture failures occurred in the radial bearings of the distribution shafts of the 16# and 17# rolling mill gearboxes in Masteel Special Steel High-Speed Wire Rod Mill. It analyzes the reasons why the online vibration monitoring sensors failed to capture the abnormal vibration signals in advance during the… Read more: Analysis and Solution of Bearing Cage Failure in Rolling Mill Gearbox of Special Steel High-Speed Wire Rod Mill

This paper focuses on the fuzzy PID control method for the constant speed output of the new bevel gear – roller flat disk transmission. It elaborates on the modeling process of the transmission, the design of the fuzzy PID controller, and the experimental verification. The research results show that this control method can effectively improve… Read more: Fuzzy PID Control of New Bevel Gear – Roller Flat Disk Transmission for Constant Speed Output An In-depth Analysis

With the development of industrial equipment, non-standard cylindrical gears have broader application prospects. This article focuses on the construction of a parametric model for non-standard cylindrical gears. By deducing the machining process and applying relevant theories and methods, the accurate tooth profile equations of non-standard gears are established, and the parametric finite element model is… Read more: Construction and Application of Non-standard Cylindrical Gear Parametric Model

This paper focuses on the multi-shaft ring-plate permanent magnet gear (MRMG). It elaborates on its structure, operating mechanism, magnetic field and torque calculation, finite element analysis, and dynamic loading experiments. The research results show that MRMG has unique advantages in solving the problems of traditional permanent magnet gears and has important application value in the… Read more: Analysis of Eccentric Magnetic Field and Dynamic Characteristics

This paper focuses on the edge-side fault diagnosis of wind turbine gearboxes. Considering the limited storage and computing resources of edge hardware, a low-pass screening neural architecture search algorithm (LSNAS) is proposed. It designs an empirically inspired search space, constructs a low-pass screening reward function, and uses the ε-greedy Q-learning search strategy to automatically design… Read more: Edge-Side Fault Diagnosis of Wind Turbine Gearboxes A Novel Approach via Low-Pass Screening Neural Architecture Search

This article focuses on the spindle system of a spiral bevel gear milling machine, aiming to study the dynamic characteristics of the spindle system and the matching relationship with processing technology parameters. Through in-depth research and analysis, a theoretical basis and practical guidance are provided for improving the machining accuracy and efficiency of spiral bevel… Read more: Research on the Dynamic Characteristics and Processing Technology Matching of the Spindle System of a Spiral Bevel Gear Milling Machine

This article focuses on the spindle components of bevel gear machine tools and conducts in-depth research on assembly accuracy evaluation and optimization. Firstly, the geometric error models of various geometric elements such as planes, cylinders, axes, and cones are established based on the small displacement torsor theory, and the error component variation ranges are obtained.… Read more: Research on Assembly Accuracy Evaluation and Optimization of Spindle Components of Bevel Gear Machine Tools

In practical engineering, complex multi-objective problems often lead to losses in the convergence and diversity of optimization results. To address this issue, an auxiliary point evolutionary algorithm based on KnEA (A Knee Point Driven Evolutionary Algorithm) is proposed. This algorithm utilizes inflection points with obvious trends in the evolution process as the centers of neighborhood… Read more: Optimization Design of Two-Stage Helical Cylindrical Gear Reducer Based on Improved KnEA Algorithm