Best-Practice Gearbox Lubrication
Modern gears are performing heavier work and carrying greater loads than ever before. Gear manufacturers are redesigning, modernizing, and using […]
Terry McDonald: Site Safety
Safety training is an aspect of our professional lives that is too often put off due to budgetary or production […]
Gas Carburizing vs. Contour Induction Hardening in Bevel Gears
This paper examines the impact on distortion of two processes using traditional gear measurement techniques. It will discuss design considerations […]
Terry McDonald: Site Safety
In this column I have tried to discuss many safety issues that I haven’t found covered elsewhere, or that aren’t […]
Nanomaterials for Gear Lubrication Solutions
In this article we report on a new product, NanoLub, which is used as a performance-enhancing additive to gear lubricants […]
Terry McDonald: Site Safety
Do you take a multivitamin? Our doctors tell us we should, especially once we’ve reached a certain age, but it’s […]
Fatigue Performance of Prealloyed PM Steel
Powder metal (PM) materials that exhibit excellent heat treated properties and achieve good fatigue performance are needed to convert wrought […]
Terry McDonald: Site Safety
Stress… is this a serious safety issue? How does stress affect your workplace? Do you bring your stress from home […]
Axis of Rotation Metrology for Improved Gearing
In the history of machine tools, spindles have been very good relative to other bearings and structures on the machine. […]
Terry McDonald: Site Safety
I guess it’s something that can happen in any workplace, whether it’s a law practice, a restaurant, or an insurance […]
A Software Solution for Gear Noise Problems
Finnish-based tractor manufacturer Valtra’s continued drive toward innovation remains imperative for its future success. With tractor sales falling worldwide in […]
Terry McDonald: Site Safety
The recent H1N1 swine influenza outbreak, which was eventually classified as a global pandemic by the World Health Organization, made […]
Low Pressure Carburizing for Transmissions
With the many advances that have taken place to improve quality in the gear industry, it is only logical that […]
Retained Austenite Stabilization
The phenomenon of retained austenite stabilization in tool steels is well documented [1,2]. When a steel with a martensite finish […]
Dimensional Stability in Cryogenic Treatments
When cryogenically treated, case carburized steel (En 353) showed tremendous improvement in wear resistance [1]. This is due to the […]
Terry McDonald: Site Safety
What constitutes a safety issue? Are they only those that are covered by OSHA? Are they only the issues that […]
Lubricant Contaminants Limit Gear Life
Lubricant cleanliness refers to the absence of contamination.1 Microscopic particles are the most harmful form of contamination in lubricants. They […]
Terry McDonald: Site Safety
When you think about it, this country has always been a land of immigrants. Besides Native Americans, all of our […]
Optimizing Ring Gear Forging
The objective of this research was to develop an optimum preform/blocker forge geometry for a ring gear blank, which would […]
Terry McDonald:Site Safety
There is an important safety subject that comes up so rarely that we tend to ignore it, or even to […]
