ONLINE EXCLUSIVE: Case Study by Doc Ardrey
Allied Specialty Precision Gains Competitive Edge by Looking Past the Obvious
Look beyond the obvious, and you may well find a better way to machine...
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. This size increase pushes designs...
The Anatomy of a Lubrication Erosion Failure: Causation, Initiation, Progression, and Prevention-Part II
As a result of our evaluation of the pit type defects observed on all of the Cameron Pinion Shaft teeth, DST offers the following...
A Unique Turning Application for Gear Manufacturers
From traditional hobbing machines to modern indexable carbide inserts, much has changed in gear technology over the years. As innovative solutions to previous options...
Rigid, Accurate, and Dependable Workholding
As I sit down to write this article, I realize that in one week I will have spent 35 years of my life manufacturing...
ONLINE EXCLUSIVE: Helical or Not Helical? How Helical Gears Impact the Performance of Planetary...
This paper explains the differences and the effects of zero-helix-angle and non-zero-helix-angle gears in planetary gear systems. As a conclusion, it points out that...
The Anatomy of a Lubrication Erosion Failure: Causation, Initiation, Progression, and Prevention: Part I
Material science is the oldest of all science and engineering disciplines. It is not an overstatement to say that materials science has transformed human...
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 capacity and reducing size...
The Dynamic Art of Gear Broaching
Conventional Broaching: Be a Broaching “1%-Er”
By Matt Egrin, President of Broaching Machine Specialties
After giving a 15-minute plant tour of BMS to lay people, I often...
ONLINE EXCLUSIVE: Gear Molding – Where It’s Heading
Plastic gears are growing larger, more precise, more complex in geometry and more powerful. High performance resins and long-fiber compounds are aiding this evolution....
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 science has transformed human...
Multi-Sensory Capability in Gear Inspection
In today’s competitive manufacturing environment, especially for products as specialized as gears, many of the world’s leading gear OEM’s and their top suppliers are...
Analysis of Gear Root Forms: A Review of Designs, Standards and Manufacturing Methods for...
Gear root form is an important but often neglected element of the gear. The stress concentration point typically lies in the tooth-to-root transition area,...
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. Though a detailed analysis...
Ductile Iron for Open Gearing – A Current Perspective
Gears made for applications in the mining and cement industries cover a wide range in terms of size and transmitted power: from Ø1 m...
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 are under load. These...
A Plastic Gear Design Update
Plastic gears have a long history in autos, appliances, office equipment, tools, and elsewhere. Designers continue to extend their use in transferring torque and...
Economics of Machining Bevel Gears on Multi Tasking Machines
Bevel gears have been made for over 50 years. There have been several incremental improvements to the initial methods, but the fundamental principles of...
Advances in Abrasive Technology for Grinding Gears from Solid
Past reviews of the status of grinding for the gear industry have inevitably focused on the process as one of finishing of steel gear...
Gearing Up to a Better Chamfering and Deburring Process
As with any machining process, the manufacturing of gears by hobbing or shaping results in burrs on the front edge. These burrs must be...
