When considering the gear mesh, backlash is high on the list of misunderstandings
Among the many considerations when considering the gear mesh, backlash is high on the list of misunderstandings. Backlash has a cyclically fluctuating value between...
91 percent of survey respondents dunk quench in oil. So, why does LPC continue...
Twelve years ago I commissioned a study to identify trends in the heat treating industry where part of that survey involved three processes: traditional...
Q&A with Stephen P. Radzevich Ph.D.
You have written a book titled, Theory of Gearing: Kinematics, Geometry, and Synthesis. What does the book discuss?
This book systematically presents and develops a...
Terry McDonald: Site Safety
I was talking to a friend the other day who works in manufacturing for a decent sized company. He was complaining that his employer...
Proper lubrication reduces frictional resistance and heat, improves the gear efficiency
Critical to a gear's operation is the lubrication type and method of application. Lubrication is a science and for new applications consulting with the...
Shallow case hardening in mesh belt, cast link belt furnaces acceptable when fixturing is...
Images of pushers are the likely style that comes to mind when people first think of continuous furnaces. When deep case and fixtured quenching...
Q&A with Jack Fiorille
As a manufacturing engineer for Elyria Manufacturing Corp., what are your duties?
As a manufacturing engineer my focus is in machining, quoting prices for customers,...
Terry McDonald: Site Safety
It’s always great news to hear that business is picking up for a company, especially if layoffs were required or shifts eliminated during the...
Worm gear tooth forms, including the five standardized forms produced by milling or grinding...
There is a wide choice in tooth forms, each form with its own share of merits and demerits depending on the application. Several forms...
Debate: Generator manufactured endothermic gas vs. nitrogen-methanol as a carburizing atmosphere
Recently in my world the topic of nitrogen-methanol as a carburizing atmosphere has emerged as an item of interest by an existing user seeking...
Q&A with Dean Burrows
Give us a little background information on the joint venture between Gear Motions and KBE+.
I’d be glad to. About four years ago I sat...
Terry McDonald: Site Safety
It seems to me that many companies have starting taking on more of an educational role in recent years than they did in the...
Requirements for more-intricate gear designs call for a knowledge of the best manufacturing processes...
The gear blank design is frequently influenced by the cost. The ideal blank is finished with the final bore perpendicular to the face and...
With proper design, pusher furnaces have many advantages
When anyone familiar with the high production carburizing of gears is asked to offer an opinion about pusher furnaces, they inevitability say “what else...
Q&A: Bruce Neumiller
Tell us a little about your background, and how you came to found Gearbox Express with your partners.
I’ve always been involved in gearing, first...
Terry McDonald: Site Safety
Gear manufacturers are active people. We’re generally out on the shop floor, or traveling to meet with customers at their facilities, but many of...
As gear requirements grow more intricate, a knowledge of the best processes for different...
The universal demand for gears necessitates that they be produced in many geometric forms, numerous materials, and in a wide range of quality levels...
For carburizing, quenching gears, pusher furnaces outpace drivetrain carburizing when compared to other furnace...
In the heyday of high-volume carburizing during the sixties and seventies, all of the automotive OEM’s maintained their own in-house heat treats; commercial job...
Q&A with Mark Tomlinson
In light of President Obama’s emphasis on creating manufacturing jobs in the United States, what do you see as the best path forward?
The...
Terry McDonald: Site Safety
We have discussed the concept of developing a safety program at your workplace many times. I have provided examples from my own background, and...
