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Home » Authors » Aaron Fagan
Aaron Fagan

Aaron Fagan

Aaron Fagan is a Senior Editor for AGMA Media's Gear Technology and Power Transmission Engineering magazines.

Articles

ARTICLES

AGMA Offers Online Course on Involute Spline Design and Rating

This course will address both the geometry and rating of involute splines of various types
May 29, 2022
Aaron Fagan
No Comments

In July, Raymond J. Drago, P.E.—chief engineer of Drive Systems Technology, Inc. (DST), a mechanical power transmission consulting organization that he founded in 1976—will lead an IACET-accredited course on both the geometry and rating of involute splines of various types along with their applications. Topics under discussion include spline configuration variations, including half depth, full depth, and special function designs; both fixed and flexible spline configurations in terms of usage and design; lubrication methods, including grease, oil bath, and flowing oil, as well as coatings appropriate for various spline applications; and shear and compressive stress rating methods with analyses methodology in both equation and graphical methodology via various rating charts.



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Ear-to-Gear Ratio: An Uncanny Valley of Sound

What will the future sounds of vehicles be?
May 19, 2022
Aaron Fagan

When it comes to noise, vibration and harshness (NVH), I’m reminded of that dog-van scene from Dumb and Dumber where Jim Carrey says, “Want to hear the most annoying sound in the world?” and then proceeds to emit an astonishingly awful noise. Annoying as NVH may be, it’s a key metric in drive-system development for e-mobility, and the careful design and manufacture of gears are crucial to minimizing NVH as tolerance variations can result in large differences between nominally identical components.


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Recent Cutting Tools from Kennametal, Star SU, and Seco Offer Improved Tool Life and Precision

Reliable cutting tools are essential to production-process efficiency
May 9, 2022
Aaron Fagan
No Comments

Cutting tools are basic to gear manufacturing. Whether it's a hob, broach, shaper cutter, or skiving tools, the mission of cutting tools remains the same as always: bulk material removal that is fast, precise, and cost-effective. Evolution in the field tends to come gradually over time in the machines, materials, and coatings that make cutting tools even more useful. Reliable cutting tools are essential to production-process efficiency, and recent solutions from Kennametal, Star SU, and Seco offer improved tool life and precision.


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Quality Assurance Stakeholders Meet at Control 2022

Gleason and Klingelnberg unveil new quality assurance technologies
May 2, 2022
Aaron Fagan
No Comments

The 34th annual Control 2022 international trade fair in Stuttgart, Germany, is the place to be when it comes to measuring and test technology, materials testing, analysis equipment, vision technology, image processing, and sensor technology, as well as weighing and counting technology. The exhibitor forum will provide expert visitors with the opportunity of finding out more about the product and service portfolios and the technological expertise offered by individual companies such as Gleason and Klingelnberg, which will both debut new solutions from their portfolios.


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KISSsoft for Gear Manufacturing

Software integrates design, production, and metrology as a holistic process
April 22, 2022
Aaron Fagan
One Comment

KISSsoft is a well-known software system that addresses gear manufacturing as a holistic process. With over 4,000 licenses sold worldwide, its functionality is dedicated to gear manufacturing and gear inspection and makes it easier for engineers—in the areas of calculation, manufacturing, and quality assurance—to collaborate and exchange data.



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Liebherr Helps Customers Master E-mobility Gear Challenges

High quality demands puts high demands on integrated gear-production processes
April 18, 2022
Aaron Fagan
No Comments

New drive technologies in e-mobility are changing the requirements for gears and, therefore, the quality of the tooth-flank surfaces. Manufacturers of gears have to adapt their manufacturing process accordingly. It’s good to be able to rely on a technology partner with expertise covering the entire range of production processes and technologies, which enables them to find suitable solutions even for special challenges.


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Solvay Specialty Polymers for High-Performance Plastic Gears

Thermoplastic injection-molded parts in automotive applications is growing and proving significant reductions in NVH issues
April 11, 2022
Aaron Fagan
No Comments

Solvay, observing key trends and factors affecting the transportation sector, has developed, tested, and applied materials for a wide variety of automotive uses. Central to those objectives are efficiency and regulatory targets, engine size reduction, increased electrification of the powertrain, low NVH, and higher efficiency through lightweighting. It’s no longer a question of whether high-performance plastics are meeting NVH and other challenges in e-mobility environments, but which polymers are good for high-performance gears?


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Versatile Hobbing Solutions from Affolter, Helios and Nidec

Improved productivity and reduced processing costs drive innovation
March 22, 2022
Aaron Fagan
No Comments

Production demands continue to rise with the burgeoning electrification movement. The desire for high-precision gears and low-cost manufacturing requires versatile and affordable high-efficiency processing to serve the needs of a variety of industries. Gathered here are a few recent hobbing solutions from Affolter Group, Helios Gear Products, and Nidec Machine Tool Corporation.


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Romax Technology gear design software

The Role of Virtual Prototyping in Gear System Design and Manufacturing for E-Mobility

The combination of full-system simulation and gear-machining simulation ensures manufacturability
March 15, 2022
Aaron Fagan
No Comments

Virtual prototyping (VP) is an area where huge advances have been made. As gear and transmission systems, and the methods of their production, become more complex and more interdependent, finding ways to use VP across the entire development process—from the initial design, through analysis, right up to manufacturing—ultimately means gaining a better understanding of system performance and efficiency.


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Ferrium C64 additively manufactured Single Tooth Bending Fatigue (STBF) test gears / Courtesy of QuesTek.

The Evolution of QuesTek's Ferrium C64 for Additive Manufacturing

The unique processing conditions of 3D-printed metal gears have come a long way
March 9, 2022
Aaron Fagan
No Comments

Applying their Materials by Design methodologies, QuesTek Innovations has expanded their ICME framework under US Army Small Business Innovation Research (SBIR) funding to adapt their high-performance Ferrium C64 gear steel to AM processes to demonstrate printability across multiple systems, achieve AMS minimum tensile properties, and observe a positive response to heat treatment.


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