A new approach for the calculation of worm shaft deflection in worm and crossed helical gear drives
Worm gear drives are characterized by a simple design, which allows the realization of a high gear ratio within one […]
Multi-sensor metrology advances
Demand for accurate gears delivered on tight schedules is increasing. To keep pace, technology is continually advancing, enabling manufacturers to […]
Inspection & Metrology: Laser interferometry – An enabling technology for optimized automated manufacturing
Technological advances over recent years have elevated metrology from being a “necessary evil” in manufacturing scenarios to enabling technologies, allowing […]
Optimization of asymmetric tooth root generated with protuberance hob
The Direct Gear Design [1] method optimizes various parameters and elements of gear tooth geometry to achieve the required gear-drive […]
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 […]
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. […]
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 […]
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 […]
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