Grinding Alternatives
As the original inventor of continuous generating gear grinding technology, Reishauer has been a leader in hard finishing of gears for decades, with a...
CASE STUDY: RUF Briquetting Systems and Corrugated Replacements, Inc. and Horsburg-Scott
Briquetting is a way to regain value from the materials you already have. Gear grinding operations are finding the value they thought was lost...
Medical Device Assembly Case Study: National Bearings
Overview
A leading, U.S.-based medical device manufacturer was experiencing significant product failure. The surgical device, which included a plastic gear, was melting during surgery requiring...
Dynamic Simulations of Radial Lip Seals Followability in an Industrial Gearbox
Industrial gear units are widely used in power transmission systems. They are composed of shafts, gears, rolling elements bearings and dynamic lip seals. The...
Numerical Modelling Of Hot Forming and Heat-Treatment of Annular Gears
During the last two decades, there has been very intense research activity in the field of finite element simulation in metal forming processes; among...
A Study on Contact Fatigue Performance of Nitrided and TiN Coated Gears
The developing trend of gears focusing on high-speed, heavy-duty, lightweight, and small sizes makes hardness promotion of gear face through traditional surface treatment and...
Case Study: Company: Wenzel / Customer: Gibbs Gears
The gear manufacturer Gibbs Gears, located in UK-based Stoke Mandeville, met the challenge and extended their machinery with a gear measuring machine from Wenzel....
Uncover Hidden Potentials in Hobbing
Companies in today’s competitive environment are always looking for opportunities to improve their manufacturing productivity. Turning, milling, and drilling operations utilizing throwaway insert solutions...
A New Standard Under Development: Specifying Powder Metallurgy Gears
In the early nineties, I was working at a transmission manufacturing facility in Indiana that made lawn and garden transmissions. Their products used large...
Purchasing Gear Lubricants: Be Careful When Playing the Numbers Game
An assumption has been made that anyone reading this has a basic knowledge of most gear types and their geometric makeup. Gears are a...
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 processes such as turning...
Topological Gear Grinding Methods
The word “topological” is often an over-used and misapplied adjective for design philosophies and manufacturing methods of gears. In the late 1970s, Maag used...
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 metal is formed into...
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...