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Choosing a Planetary Gearhead

From CGI Inc. staff When a motor is being designed into a motion control system, all too often the benefits of a gearhead are realized...

Measuring Root/Flank Stress in Plastic Gears

The number of plastic gears used in different applications is increasing every year, mostly due to their cost effectiveness for large series production and...

Closed Loop Machining of Cylindrical Gears

Leonhard Euler’s 1760 invention of making cylindrical gears with an involute profile was the beginning of a success story. As a tooth profile, the...

Fatigue Performance and Cleanliness of Carburizing Steels for Gears

The cleanliness of steels used for gears is of great importance when looking to improve their life or increase loads. In this paper, carburizing...

Extending gear life in demanding applications

Although gears and other precision components are generally made of hardened steel or metal alloys, those used in high load applications still can fail...

Advanced Thermal Processing for Enhanced Gear Tribology

Abstract Vast empirical knowledge accumulated over centuries, in conjunction with recent advances in the areas of material science, tribology, and big data analysis, have allowed...

Fast, Flexible Bevel Gear Cutting

Well over 100 bevel gear cutting machines crowded this Chicago factory floor just a few years ago, all busy producing spiral bevel gear sets...

Numerical Thermal 3D Modeling of Plastic Gearing

This paper will primarily focus on the prediction of gear temperature of plastic gears using a numerical heat transfer model based on 3D Finite...

An Experimental and Analytical Comparison of the Noise Generated by Gears of Austempered Ductile...

Over the years, there have been many claims made concerning the relative noise performance of austempered ductile iron (ADI) versus steel as a gearing...

A Laser Focus on Leading-Edge Metrology

In the world of gear inspection, there are many factors to consider in understanding the needs of designers, manufacturers, and quality professionals. These include...

Can Shop Floor Measurement Actually Replace Gauges?

Quality assurance on the shop floor is an integral part of the production chain today. It involves comparing production results against the target results...

Harnessing Drive Data for Smart Process Design

Optimal interplay between innovative gear cutting tools and powerful bevel gear cutting machines results in highly productive cutting processes with extremely high, reproducible gear...

AGMA/ANSI/ISO Standards on Bevel and Hypoid Gears

This paper deals with gearings that operate (a) on intersected shafts and (b) on crossed shafts. The gearings that operate on intersected shafts are...

A New Wave in Virtual Machining

The custom nature of gears and the high cost of cutting tools have continued to put pressure on manufacturers to reduce the cost of...

Contact Ratio Optimization of Powder-Metal Gears

Powder metal (PM) alloys are becoming more of a solution for high-performance gears, not only because of part price but also because the technology...

The Bold New World of Chamfering and Deburring

If there’s a “red-headed step child” among the cylindrical gear manufacturing processes today, it’s chamfering and deburring. Since these operations historically add cost and...

Gear Expo 2017: What Drives You

Why attend? Explore new technologies from more than 200 exhibitors driving the market. Interact with leading suppliers of gears and gear systems. Take advantage...

Pre-Nitriding: A Means of Significantly Increasing Carburizing Throughput

Carburizing is a surface-hardening method that uses heated metal in a carbon-rich environment to increase carbon levels on the metal, via diffusion, for added...

Comparison of Tooth Interior Fatigue Fracture Load Capacity to Standardized Gear Failure Modes

Introduction Gears are case hardened to produce residual stresses at the surface — improving wear resistance, bending fatigue, and contact fatigue strength. These beneficial compressive...

TOOLING & WORKHOLDING: Larry McMillan

  How did Hainbuch get started? It's a very innovative company that's been in business since 1951. It started out making replacement collets. And that kind...
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