Calculating the Inverse of an Involute
The involute tooth form is the only tooth form that provides true conjugate action normal to the tangency of the […]
Gearing Up for Improved Performance
Innovative engineering design, advanced materials, and top of the line components can yield significant improvements in gearbox efficiency, reliability, and […]
An Animated Approach to Plotting Profiles
Trochoid Spiral (TS) and Epitrochoidal Spiral (ETS) curves and special flash animations were developed by the author in 2004 and […]
Making a Case for PVD Recoating Systems
Muncie Power Products, Inc., of Tulsa, Oklahoma, has been in the auxiliary power business since 1935 and started manufacturing Power […]
The Sensitive Side of Computer-Aided Design
Context sensitive assistance facilitates the integration of design and manufacturing. Context sensitive assistance in computer aided design systems may be […]
New Powder Applications
Powder Metallurgy is a proven technology to produce high strength gears and tailored gear shapes for both automotive and industrial […]
Special Section: Keyseating
Mitts & Merrill Mitts & Merrill’s desire to be the most innovative company in the keyseating and profiling market has […]
The Whirling Process for Internal Threads
As an industry leader in the field of whirling technology, Leistritz has developed an innovative solution to machining difficult internal […]
Profile Relief and Noise Excitation in Helical Gears
Gear noise results from the gear mesh dynamic forces that are transmitted through the support shafts and bearings to the […]
Inside Splines
What is a spline? According to the American Heritage Dictionary of the English Language (fourth edition, 2000), a spline is […]
Designing Gears Through the Years
In the past 50 years, we’ve certainly come a long way in terms of our gear design and problem-solving capabilities. […]
Laser Heat Treating Advances for the Gear Industry
Laser technology has been used for many years with much success in industries such as power generation, hydraulics, hand tools, […]
As the Worm Turns… Toward Rolling
Cylindrical die worm rolling is a proven high-speed process which can produce precise worms with excellent surface finish and high […]
Arrow Offers a Stock Solution
A sagging economy and the fierce demands of global competition are unfortunate realities that all manufacturers have been faced with […]
The Advent of OptiGearing
Introduction A 25 to 35 percent increase in power density and a markedly lower operating noise are two major performance […]
Polyglycols for Lubricating Large Gear Drives
Introduction In modern-day gear technology, the lube oil used is an important element of the gear’s overall design. Increasingly stringent […]
Side Fit Spline Profiles
Splines are necessary for many reasons. In addition to transmission of torque, spline profiles are used to find and centralize […]
The Power of Powder
Market demand for more cost-effective processes to produce higher-performance product continues to increase. To meet this reality, manufacturers who often […]
Form Rolling for Finishing Powder Metal Gears
In this article we introduce a finish rolling process for sintered Fe alloy gears using a new CNC form rolling […]
The Basics of Brush Deburring
Today’s marketplace offers a wide spectrum of needs for all types of manufacturers: from the job shops needing quick and […]
