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Optimization and prediction for gear microgeometry modification considering fabrication errors
Transmission error (TE) in multistage gear transmission is the main excitation source of gear mesh noise. Gear microgeometry modification can...
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Meshing characteristics of spur gear pairs with tooth modification under different assembly errors and sensitivity analysis for impact factors
Assembly errors may change contact state of gear pairs, then induce failure and vibration. To reveal the effects of assembly errors and tooth...
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Mathematical modelling and validation of twist-free lead crowning of spur gears by pulsed electrochemical flank modification process
Spur gears are the most commonly used gears in various applications. Their lead crowning helps in mitigating the adverse effects of shaft...
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Effect of hybrid metal-composite gear on the reduction of dynamic transmission error
Gear whine noise has become one of the primary challenges facing noise, vibration, and harshness engineers; this is because the electrification of...
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Development of a Prediction Model for the Gear Whine Noise of Transmission Using Machine Learning
This study aims to develop a prediction model using machine learning to predict gear whine noise using the inspection data of gear tooth and noise...
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Influence of Different Gear Flank Deviation Tolerance Classes on the Contact Pattern
Mobility electrification advent has affected the vehicle systems’ design requirements, especially for the powertrain components. Αmong the critical...
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Calculation of tooth pair stiffness by finite element analysis for the multibody simulation of flexible gear pairs with helical teeth and flank modifications
Optimizing the acoustic behavior – often referred to as Noise, Vibration, Harshness (NVH) – of drive train components, such as gearboxes, is...
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A novel method for longitudinal modification and tooth contact analysis of non-circular cylindrical gears
The traditional geometry of non-circular cylindrical gears provides a contact line between tooth surfaces. In a misaligned non-circular cylindrical...
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Investigation of the effect of pressure angle on gear performance in asymmetric gears
In this study, asymmetric gear mechanisms having the same working conditions, material and dimensions as symmetric gears but with different pressure...
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A misaligned formulation for planetary gears with analytical 3D contact characterization
In the study of planetary drivetrains the substantially high transmitted loads lead to significant deflections in the supporting gear structures,...
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Helical Bevel Novikov Gears
This chapter presents a mathematical model of a convexo-concave helical bevel Novikov gear mesh. A topological modification of this kind of gearing...
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Acoustical behavior of periodic flank modifications under dynamic operating conditions
Noise emissions belong to the crucial design characteristics in modern transmissions. The most efficient way to achieve beneficial noise behavior is...
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Improving functional performance characteristics of spur gears through flank modifications by non-contact advanced finishing process
This paper describes reduction in noise, vibrations, total and tooth-to-tooth, and longwave transmission errors, total and tooth-to-tooth composite...
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Consideration of the influences of the driving direction within the calculation of the pitting load-carrying capacity of bevel and hypoid gears
Pitting is, besides scuffing, tooth flank fracture and the phenomenon micropitting, one of the primary failure modes of the flank load-carrying...
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Optimal Selection of the Structural Scheme of Compound Two-Carrier Planetary Gear Trains and Their Parameters
The Torque Method is an easy way for kinematic and power analysis of planetary gear trains, both simple and compound ones. Moreover it gives...
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Methods for Assessing the Cutting Ability of Superhard Grinding Wheels
The chapter presents the classification as well as indirect methods and parameters and direct assessment of the cutting abilitiesCutting ability of...
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Influence of the process parameters on the grinding result in continuous generating grinding of cutting tools
Continuous generating grinding processes have largely replaced discontinuous profile grinding processes in gear manufacturing due to their higher...
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Active design and manufacture of face-milled spiral bevel gear by completing process method with fixed workpiece axis based on a free-form machine tool
In the design and manufacture of face-milled spiral bevel gear, the completing process method has significant advantages, such as increased...
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Laser texturing of helical and straight bevel gears to enhance finishing performance of AFF process
Abrasive flow finishing (AFF) is an advanced finished process which finds many applications for nano-finishing of many industrial components, but it...
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High-Performance Plastic Gears
Plastic gears have been used for decades in a wide variety of applications such as consumer articles or electromechanical actuators in the automotive...