What is a spur gear?

What is a spur gear? A spur gear is a type of cylindrical gear with straight teeth that are cut parallel to the axis...

Sinter hardening of PM components

In this column, I will discuss sinter hardening and compare that process to the more traditional heat-treating quench and temper operation. Introduction The use of powder...

Q&A with Josh Fairley and Spencer Artz

What sets Norton | Saint-Gobain Abrasives grinding wheels apart from its competition? Norton | Saint-Gobain’s dedication to continuous research and development of new abrasives and...

Heat treatment techniques overview

Editor’s note > This is the fourth in a five-part series. In this fourth installment of my series on heat-treating techniques, I will discuss the pros...

Q&A with Scott Richards

What does James Engineering do for the gear-manufacturing industry? James Engineering manufactures state-of-the-art deburring machines. These machines range from simple manual machines to cutting-edge, high-tech...

Determining concentration and required amounts

In this column, I will discuss how to calculate the required amounts of quenchant in a quench tank. This method is also applicable to...

Q&A with Aaron Jones

How are you involved with Opus IVS, and what does it mean for the EV market? IVS is our diagnostic support side of the company....

NMTP – Pearlite and ferrite

In this column, we will discuss the non-martensitic transformation products of pearlite and bainite. Introduction Pearlite was named by Henry Howe for the pearly phase constituent...

Heat treatment techniques overview

Editor’s note  > This is the third in a five-part series. In this third segment of my series on heat-treating techniques, I will discuss the pros...

What gears should I use in my gearbox?

Although designed to transmit torque and power between rotating shafts, the choices for gearing when designing a gearbox are determined primarily by the orientation...

Q&A with Karen Young

You’re celebrating your 50th year in business in 2023. How did it all begin? It all began in February of 1973, when my husband, Rusty...

Perspectives on helical gearing

Perspective is a particular attitude regarding your point of view on a subject. In most cases, the perspective through which you view a subject...

Non-martensitic transformation products: Bainite

In this column, I will discuss the non-martensitic transformation product called bainite. Introduction The decomposition of austenite, when occurring at a fast enough rate to exceed...

An overview of heat treatment techniques

Editor’s note  >  This is the second in a five-part series. In this second segment of my series on heat-treating techniques, I will discuss the...

Q&A with Mats Wennmo

Mats Wennmo has been the global manager for Automotive Transmission Gear Solutions at Sandvik Coromant since 2017. He got his start in the industry...

An overview of heat treatment techniques

Editor’s note > This is the first in a five-part series. I recently had the wondrous experience of being invited to tour a very modern state-of-the-art heat-treatment...

Residual stresses from machining

In this column, we will discuss the sources of distortion and residual stresses from machining operations. The problem of residual stresses and distortion is...

What is the proper term for my toothed wheel

Over the river and through the woods to Grandmother’s house we go. This snippet from a holiday classic details how we will travel any...

Pack carburizing of steels

Pack carburizing is a very old method of carburizing steel, but it is still practiced in many tool rooms and machine shops. It is...

A little deeper look at epicyclic gear trains

As we know, epicyclic gear trains are very versatile and compact. They have multiple configurations, able to give you as many as seven ratios...