Cubitron II: Precision-Shaped Grain (PSG) Turns the Concept of Gear Grinding Upside Down
To date, grinding, according to the German DIN Standard 8580, is “machining with geometrically undefined cutting edges” while other machining […]
Failure Analysis of H13 Gear Blank Forging Dies
Forging is defined as the process of working hot metal into a desired shape by impact or pressure1. The hot […]
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 […]
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. […]
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, […]
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 […]
ONLINE EXCLUSIVE: Helical or Not Helical? How Helical Gears Impact the Performance of Planetary Systems
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, […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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. […]
