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 […]
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 […]
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 […]
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 […]
Root Fillet Optimization of Gears with Asymmetric Teeth
By Dr. A.L. Kapelevich and Dr. Y.V. Shekhtman The Direct Gear Design method optimizes various parameters and elements of gear […]
Numerical Thermal 3D Modeling of Plastic Gearing
This paper will primarily focus on the prediction of gear temperature of plastic gears using a numerical heat transfer model […]
AGMA/ANSI/ISO Standards on Bevel and Hypoid Gears
This paper deals with gearings that operate (a) on intersected shafts and (b) on crossed shafts. The gearings that operate […]
Harnessing Drive Data for Smart Process Design
Optimal interplay between innovative gear cutting tools and powerful bevel gear cutting machines results in highly productive cutting processes with […]
A New Wave in Virtual Machining
The custom nature of gears and the high cost of cutting tools have continued to put pressure on manufacturers to […]
