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 […]
