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...
Non-destructive testing Part IV: Ultrasonic testing
In my previous articles, I have discussed dye penetrant inspection and magnetic particle inspection. In this article, I will give a brief overview of...
Ensure supply chain continuity creates more value for customers
Encountering challenges throughout the production process for any type of gear is to be expected. The steps in the supply chain — from melting...
Does all learning happen in a classroom?
Learning takes many forms. Some methods are formal in their approach, such as elementary school and high school. Others, like mentoring, take a more...
How does shaft alignment and speed ratio affect my design?
The motto for the Olympics is “Citius, Altius, Fortius,” which translates to “Faster, Higher, Stronger.” The phrase is also the mantra for most modern...
Materials matter – and so does total cost of ownership
Gear designers have options when exploring cost reductions within a component, from using different material grades and leaner processing to incorporating less-proven offshore suppliers....
Q&A with Hannah Witopil
What do you do at Neugart and what’s a typical week like for you?
I’m a technical sales representative with Neugart USA, and, therefore, I’m...
The basics of magnetic particle inspection
Magnetic particle inspection is a technique that is commonly used for ferromagnetic alloys for detecting surface and subsurface discontinuities. This method is extensively used...
