Q&A with Chris Wellman

Innovative Rack & Gear recently became a part of Avers Machine. What advantages does this bring to Avers Machine? Innovative Rack’s customer list is completely...

Calibration of refractometers for control of polymer quenchants

In the last column, we described the use of refractometers for controlling the concentration of many different types of fluids, including polymer quenchants and...

The importance of gear inspection and the meaning of the data

A topic near and dear to my heart, I am often tasked with answering the question; “What went wrong?” As we all know, there...

When the coronavirus pandemic is over

When we were making our business plans in 2019, the thought of a pandemic was never a consideration. Business leaders and CEOs were looking...

I have a question about your gears!

The concept of using a wheel to redirect motion has been part of the human experience for thousands of years. The simple design of...

Q&A with Karen Malin

What types of gears and gear manufacturing processes does Southern Gear excel at? What are you best known for? Southern Gear excels at making complex,...

An overview of differential function and gearing

This month’s article is going to take a slightly different point of view and discuss the use of a particular type of gear compared...

Application of optical refractometers for the control of concentration

Optical refractometers, analog and digital, are widely used in industrial practice to measure the concentration of coolants, polymer quenchants, and fire-resistant hydraulic fluids, and...

Dissimilar material and/or hardness as a function of gear size

Some say that metallurgy is a “black art.” Actually, it is a very skilled art, demanding in its precision and consistency. The people who...

Determining carbon potential for neutral hardening or carburizing

To successfully heat-treat or carburize the many different alloys seen in the heat-treating shop, it is necessary to properly control the carbon potential of...

Mounting accuracy key issue in gear system design

Some assembly required. These dreaded words are frequently found on the packaging of many weekend projects. Whether it is assembling a desk for that...

Q&A with Joe Wright

Describe for our readers what the Raytech Measuring System is. It’s a simple solution for shop floor measurement. When you start looking at measurement systems,...

Material pre-treatment as a function of performance

This article is not intended to go deep into the metallurgy of pretreatment, nor will it discuss the nuances of the machining or heat...

The importance of contact ratios

It is expected that when we flip the switch on a device that it will power up and some motion will occur. In the...

Nondestructive testing VI – Radiography

In this article, we will be discussing the use of radiography (X-rays) for the detection of flaws. In the previous articles on nondestructive testing...

Q&A with Mike Finn

Mazak recently gave a preview of a multi-tasking machine running the software. What type of machine was unveiled? Well, concerning gear machining, it would be...

Q&A with Dr. Antoine Türich

What’s significant about Gleason’s new Hard Finishing Cell (HFC) with integrated gear inspection? The Gleason HFC combines the latest threaded wheel grinding with revolutionary...

Addendum modification and undercut

When you walk onto the sales floor in any furniture store, you are greeted by a smiling, courteous, friendly sales associate. Their job is...

Nondestructive testing Part V:  Eddy current testing

In the previous column, I discussed ultrasonic testing of materials. In this column, I will be discussing Eddy Current NDT methods. History Eddy current testing is...

Q&A with Robert Dolan

What you do at DMG MORI? I am the sales manager for DMG MORI Capital Rental Program. I oversee the sales of the rental contracts...
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