Make Powerful Partnerships at Gear Expo 2015
Here’s what’s in it for you and your team: • Attendees see firsthand 750,000 pounds of machinery and gear products […]
INSPECTION & METROLOGY: A Different Way to Look at Profile and Helix Inspection Results
Introduction Elemental inspection of gears is commonly carried out with computer numerically controlled (CNC) machines. While these range from special […]
The Impact of Surface Condition and Lubricant on Gear Tooth Friction
The most exhaustive experimental study quantifying gear tooth friction is by Yoshizaki [1], in which spur gears with various geometries […]
Influence of Central Members Radial Support Stiffness on Load Sharing Characteristics of Compound Planetary Gearsets
Abstract In this study, a non-linear dynamics model of Ravigneaux compound planetary gearsets which adopts the intermediate floating component is […]
The Efficiency of a Simple Spur Gearbox — Thermally Coupled Lubrication Model
Introduction The efficiency of drivetrain components is quickly becoming a significant research area pushed by the intensifying quest for improved […]
Involute Spiral Face Couplings and Gears: Design Approach and Manufacturing Technique
Introduction Face gears typically have a straight or skewed tooth line and varying tooth profile in normal cross section at […]
Optimization of Gear Tooth Contact by Helix Angle Modification
Introduction Gears that are smaller, cheaper, and equipped with more efficient power transmission are the ongoing objective of gear designers. […]
Why Use a Wire EDM Worm Wheel in a Plastic Injection Molded Application
Crossed-axis helical gears (non-enveloping) is a method of transferring motion when using non-parallel axis shafts. These shafts are typically at […]
Gear Resonance Analysis and Experimental Verification Using Rapid Prototyped Gears
Weight reduction is of great importance in the design of gearing for aerospace applications. Natural resonance responses of the gear […]
Gear Failure Analysis and Lessons Learned in Aircraft High-Lift Actuation
The high lift system of an aircraft, including trailing and/or leading edge slats/flaps, increases lift for takeoff, controls flight during […]
Principal Design Parameters Of Gearing With Non-Parallel Axes Of Rotations
This paper pertains to gearing with non-parallel axes of rotation of the driving and the driven members. Examples of the […]
Improving Gearbox Reliability by Analyzing Axial Cracking on Bearings and Recommending a Solution
Introduction As the growth of wind energy continues, the average size and capacity of wind turbine generators is also increasing. […]
Modernization of Main Helicopter Gearbox with Asymmetric Tooth Gears
Application of asymmetric tooth gears for aerospace propulsion drives allows for considerably increased power transmission density, potentially increasing their load […]
Using Integrated Computational Material Science to Create Virtual Simulations of Gear Fatigue Lifetime
Material science is the oldest of all science and engineering disciplines. It is not an overstatement to say that materials […]
Analysis of Gear Root Forms: A Review of Designs, Standards and Manufacturing Methods for Root Forms in Cylindrical Gears
Gear root form is an important but often neglected element of the gear. The stress concentration point typically lies in […]
Striving for High Load Capacity and Low Noise Excitation in Gear Design
Many dimensions of the gears and the toothing are determined that have significant influence on load capacity and noise excitation. […]
Contact Analysis for Planets in KISSsoft
KISSsoft’s contact analysis software is widely used because it calculates a wide variety of characteristics of interest for gears that […]
AGMA’s Wealth of Resources
The American Gear Manufacturers Association has a wealth of resources for its members. Talk to AGMA members across the country […]
A Field Case Study of ‘Whining’ Gear Noise in Diesel Engines
This paper describes the work performed to reduce first order gear mesh vibration, which was the root cause of an […]
The Effect of the Surface Roughness Profile on Micropitting
A wide choice of surface roughness parameters is available to characterize components such as gears or bearings, with the goal […]
