Performance and properties of a new alternative gear steel
In the ongoing strive for light weighting or power densification, high-performance clean steels are showing a significant improvement. As a […]
Opportunities of Efficiency Improvement by the Use of Hydro Lubricants
1 Introduction Although different base oil types exist in the market and are widely in use, the majority of industrial […]
Integrated Approach for Gear Testing of High-Performance Clean Steels
The power density of gearboxes is continuously increased by different research activities. Besides new material developments, the cleanliness of steels […]
Experimental tests to predict plastic gears’ lifetime
One of the major problems of plastic gears is the lack of data about their lifetime. Literature doesn’t contain numerous […]
Root cause for noise excitation in geometrically-accurate (perfect) parallel-axes gearing
Gears are extensively used to transmit a rotation from a driving shaft to a driven shaft. Depending on the gear […]
Using simulation to evaluate part green shape to reduce distortion during plug quenching
Determining the heat-treatment geometry (green shape) for complex gears is not a trivial task. Mass distribution becomes critical in determining […]
Filling Some Gaps in Spline Design Guidelines: Centering, Friction, and Misalignment
Editor’s note: At the author’s request, some statements have been removed for clarity since the article was originally published in October, […]
Methods to Determine Form Diameter on Hobbed External Involute Gears
In custom designs of external spur or helical gears, designers generally prefer a lower form diameter for greater transverse contact […]
Design features of worm gearing composed of plastic and/or powder-metal components
This article deals with worm gearings in cases when the worm-gear pair is composed either of plastic or of powder-metal […]
Lean Heat Treatment for Distortion Control
Controlling distortion is of key importance during the case hardening process for the production of gear components. By effective control […]
Inspection & Metrology: ‘We must never stand still’
Small series and prototype production at ZF Friedrichshafen AG create new challenges for quality control time and again: measurement programs […]
Tooling Workholding: A new solution for bevel gears
The creativity of the designers knows no bounds with new drive element and gear geometries. Faced with constantly increasing demands […]
Is anyone printing gears using metal additive manufacturing?
The AGMA Emerging Technology Committee wanted to look at additive manufacturing through the lens of the goal of the committee: […]
Online exclusive: How many mils is your coating?
Instantaneous handheld coating thickness gauges that can be operated by virtually any technician deliver lab-quality readings even on curved and […]
Two-Probe Pitch Inspection Method For Large Gears
A gear’s pitch (a k a index or spacing) accuracy is one of the most fundamental gear characteristics affecting its […]
Chamfer Hobbing, Perfect Timing
New gearbox developments, particularly for eDrives, are creating a whole new set of gear design and manufacturing criteria. Compact gearbox […]
Magnetic Barkhausen Noise as an Alternative to Nital Etch for the Detection of Grind Temper on Gears
The detection and prevention of grinding burn is critical to the production of ground gears of all types and sizes. […]
CFD Simulation of Power Losses and Lubricant Flows in Gearboxes
Printed with permission of the copyright holder, the American Gear Manufacturers Association, 1001 N. Fairfax Street, Suite 500, Alexandria, Virginia […]
