Company Profile: Roto-Flo
Responsible for developing the cold form rolling process, this company has updated and revamped the equipment’s design, outfitting it with all the latest CNC technologies.
The Next Frontier in Gear Testing
Kleiss Gears has been at the forefront of R&D efforts improving the attributes of polymer gearing, including testing methods to insure tight tolerances and maximum repeatability.
Predicting Hypoidcontact Conditions
In this article experts from Romax Technology outline a numerical simulation method that allows for the prediction of standard misalignment parameters in hypoid gear sets.
The Power of Pulsed Plasma
An experienced metallurgist makes the case for a finishing process that is clean, controllable, precise, and reduces the risk of distortion and surface growth.
Company Profile: Romax Technology
Learn about the developer of some of the most advanced design software packages available, as well as its efforts to spread knowledge within the industries it serves.
Company Profile: Workholding Solutions, LLC
Unhindered by architectural boundaries, a new company embraces technologies that allow it to respond to its customers’ workholding needs quickly, fully, and virtually.
Company Profile: The Flaming Treating & Engineering Co.
This family-run business sets itself apart by focusing on the best methods for producing premium, custom-hardened parts for customers who’ve come to depend on its reputation.
Overcoming the Chamfering Technology Impasse
Utilizing a patented process SENJO SEIKI seeks to provide accurate, repeatable chamfering to the gear-manufacturing market. Read on for an introduction.
Powder Metal for Precision and Performance
The P/M process provides quality and repeatability for gearing manufactured for a wide variety of applications. This article provides insights into how, when, and why it works.
The Flexibility of Spindle Finishing
For precise, controlled deburring and surface improvements when finishing gears and other metal parts, consider the process developed—and described here—by ALMCO.
Company Profile: Colonial Tool Group Inc.
You must pay attention to the work at hand, of course, but if you don’t plot your course into the future you might just lose your way. That won’t happen with this company.
Gleason Aces the Mercedes Test
Mercedes-Benz is using angular hypoid bevel gearsets for its all-wheel drive powertrains, and testing them is the job of Gleason’s new 360AT Universal Gear Tester.
Induction Heating for Low-Cost Quality Gears
Ajax Tocco describes how SPF induction gear hardening can lead to a better product at a lower cost.
Cold Forming for Hot Results
Roto-Flo’s new CNC spline and thread rolling machine offers unique advantages over hydraulic units. Read on to learn more about how this is achieved.
Epicyclic Gearing: A Handbook
For design engineers who are just beginning their careers—and even old pros who could use a refresher course—the following article takes a basic approach to discussing epicyclic gearing.
The Principles of Workholding: Part I
This article is the first in a multi-part series on workholding presented by Toolink Engineering and König-mtm, with this installment devoted to the fundamentals of hydraulic workholding devices.
The LPC Process for High-Alloy Steels
The following technical paper—produced by SECO/WARWICK and the University of Zielona Góra describes the benefits of using
Lead or Helix? That is the Question
Whether you call it lead or helix, this aspect of gearing is critical to the function of the finished components. Learn more from an industry expert.
Company Profile: Michigan Hone & Drill
As part of this expanded issue we’d like to offer an article that’s equal parts case study and company profile, describing why a finishing shop is devoted to the Sunnen equipment with which it made its start.
Relative Curvature of Worm & Wheel with Straight Line Generatrix
You’re sure to benefit from reading this fascinating study presented by a gearbox specialist with Tata Steel on calculating—and better understanding—worm/wheel contact.
An Advanced Approach to Optimal Gear Design
Take two proven design approaches—Direct Gear Design and the Method of Dynamic Blocking Contours’ combine their best attributes, and the result is Advanced Gear Design. Read on to learn more.
The Foundations of Function-Testing Gear Assemblies
There are many different ways of testing gears and the assemblies in which they are incorporated.
Battling Gear Infant Mortality
Sometimes a seasoned gear manufacturing machine is the most dependable, but close monitoring is required to keep it running at the peak of its productivity.
Company Profile: SECO/WARWICK Corp.
More than a century ago a company created a furnace to treat its own products, completely unaware that it was blazing a new trail toward a very successful future.
Improvements in Dimensional Control of Heat Treated Gears
The following study involves applying low pressure vacuum carburizing technology utilizing either oil or high pressure gas quenching in order to eliminate distortion.
Heat Treatment Simulation Can Help Avoid Process Problems
The success or failure of heat treatment affects manufacturing costs, but it also determines product quality and reliability. Heat treatment must be taken into account during development and design, and it’s controlled in the manufacturing process.
A Cool Approach to Optimized Bearing Performance
In this article Timken provides you with solid advice on how to choose the right bearing for your particular application, and how the design can help avoid unwanted heat generation.
Company Profile: Vancouver Gear Works, Ltd.
For more than half a century this company has provided high-quality gearing and related services to customers who’ve come to rely on its proven dedication to excellence.
Wear Mechanisms of HSS Cutting Tools
The following article provides an overview of the wear mechanisms of high-speed steel cutting tools, both coated and uncoated.
Scuffing Resistance of Isotropic Superfinished Precision Gears
Sikorsky Aircraft, REM Chemicals, Alion Science and Technology, and others join forces to evaluate how the ISF process alleviates this failure mode in aerospace gears.
Static and Fatigue Calculations of Wind Turbine Gearboxes: Part II
Design knowledge must be utilized and cultivated in all aspects of gear manufacturing, and this conclusion to a two-part series describes useful tools and techniques.
Company Profile: Toolink Engineering, Inc.
For reliable hydraulic and manual workholding solutions, this company’s line of Konig devices is providing maximum repeatability to some of the world’s top manufacturers.
Forged Gears for Structual Integrity and Product Reliablity
For a primer on the differences between cast and forged gears, who better to turn to than the Forging Industry Association? Read on to learn more.
Next Generation Gear Grinding
Reishauer’s continuous generating gear grinder, the RZ 1000, provides greater accuracy, faster setups and changeovers, and onboard inspection capabilities.
Static and Fatigue Calculations of Wind Turbine Gearboxes: Part I
Design knowledge must be utilized and cultivated in all aspects of gear manufacturing, and this first installment in a two-part series describes useful tools and techniques.
Company Profile: Dayton Machine Tool Company
Founded half a century ago, and with a global customer base, this company draws strength from its past with an eye constantly trained toward the future.
Streamlining Production with Premium Workholding
A premier provider of workholding solutions, HAINBUCH can minimize your production challenges while increasing profitability.
Supplier Relationships Speed Gearbox Delivery
Stober Drives’ three-day turnaround on its gearboxes meets customers’ need for speed, made possible–in part–by a close relationship with bearing supplier SKF.
Stress in Diamond-Coated Cutting Tools
Diamond coatings make cutting tools more effective, but only if the layer remains intact. Read on to learn about how machining stress can lead to delamination, and failure.
Company Profile: Chamfermatic, Inc.
Measuring Excellence in Polymer Gearing
While the art may be found in the manufacturing of polymer gears, the science involves measurement, and Kleiss Gears is the expert in combining the two.
Reducing Gear Whine in Planetary Gear Transmissions
In an article penned by a technical specialist at the Ford Research Laboratory, two assembly techniques to reduce transmission error in planetary gear systems are examined.
Selecting the Right PFPE Lubricant
Extreme environments call for extreme lubricating measures, and perfluoropolyethers, or PFPEs, provide the characteristics required for these—and other—demanding applications.
The Rules for Successful Rotary Broaching
When is rotary broaching applicable, and how is the operation performed? What materials can be used, and which manufacturers benefit from this process? You’ll find the answers ahead!
Company Profile: Canton Drop Forge
From producing buggy parts at the turn of the last century to aerospace and wind-power applications today, this company’s growth reflects the evolution of U.S. manufacturing.
Microgeometry and Bias in Helical Gear Noise Excitations
While excitation usually originates within the gear mesh, it then radiates throughout the mechanism and is amplified by the housing. Understanding this will lead to better design.
Case Study: Allison Transmission Test Drives Gleason Genesis
A field test of Gleason’s Genesis 130H hobbing machine surpasses even the most demanding customers’ requirements, resulting in quicker throughput and less changeover downtime.
Company Profile: Larson Forgings
Now celebrating its 113th year in business, this fourth-generation, privately-held company is the culmination of a Swedish immigrant’s American dream.
Low-Cycle Bending Fatigue of AISI 9310 Steel Spur Gears
This investigation—by members of the U.S. Army Research Laboratory, NASA’s Glenn Research Center, and the QSS Group, Inc.—examines a raw material for steel spur gears.
Natural Frequencies & Modal Properties of Compound Planetary Gears
All vibration modes can be classified into one of three types—rotational, translational, and planet modes. In this article the author provides a detailed description.
A Revelation in Advanced Software Technology
Here are details on a new software package that increases productivity, decreases programming, setup, and cycle times, and leads to greater profitability.