Q&A with Tony E. Wojciechowski
What is your role with Hyundai Power Transformers?
I’m a founding member of Hyundai Power Transformers. I joined in 2010 and serve as chief human...
Dimensional changes during tempering
In this column, I will discuss the dimensional changes that occur during tempering, with a short discussion of the underlying physical metallurgical changes.
Introduction
After quenching,...
Precipitation hardening stainless steels
In this column, we will discuss precipitation hardening steels and their physical metallurgy.
Precipitation hardened stainless steels are a class of stainless steels that can...
Q&A with Steve Young
What makes CT inspection and metrology important, particularly for the gear industry?
The key to CT scanning is the ability to see 100 percent of...
Maximum allowable torque
When participating in a competitive sport, there is a strong desire to maximize the physical output of your body. Whether it is running faster...
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...
