Case study: To seek out faster shaping
The search for intelligent life on Mars took a big leap forward on February 18, 2021, when Perseverance, NASA’s latest […]
Technical diagnostics of a gear hobbing technological system on diagnostic signs of deviations of the tooth profile of gears
The article reveals the main provisions of technical diagnostics of a gear hobbing machine system with CNC on the diagnostic […]
Influence of manufacturing variations of spline couplings on gear root and contact stress
Involute splines are widely used in mechanical systems to connect power transmitting gears to their supporting shafts. These splines are […]
Reduction of the tonality of gear noise by application of topography scattering for ground bevel gears
The noise behavior of transmission is mainly caused by the excitation in the gear mesh. The standardized design and calculation […]
Gear forging opportunities
Forging has long been used to manufacture gears, particularly in the production of gear blanks, which often uses open-die forging, […]
Load intensity distribution factor evaluation from strain gauges at the gear root
Strain gauges are commonly used to obtain the load intensity distribution on the flank of a gear mesh. The standard […]
Hob quality basics
The quality of a hob directly affects the final quality of the gear it generates. AGMA has developed a standard […]
Predicting Gear Sliding Losses
Gearbox efficiency is becoming increasingly important for vehicle manufacturers to help achieve their overall fuel savings goals. Enhancing gearbox efficiency […]
Lubrication and its role in gear-failure analysis
When gears fail, it is most often due to fatigue and overloading. The most common form of distress and failure […]
Selecting a worm gear lubricant
To compete in the marketplace, engineers across all industries are being tasked with increasing gearbox efficiency. Modern designs therefore must […]
Power Skiving with integrated cutter resharpening
Gear manufacturing by Power Skiving takes the traditional approach: After a cutter has reached its maximum wear, the operator changes […]
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 […]
The commonalities and differences between helical ‘low-tooth-count gears’ and ‘multiple-start worms’
The article deals with geometrically-accurate worm gear pairs that feature line contact between tooth flanks of a worm gear and […]
Multi-sensor metrology advances
Demand for accurate gears delivered on tight schedules is increasing. To keep pace, technology is continually advancing, enabling manufacturers to […]
Finding the ideal materials for gears
When designing an individual gear or a gear train, the choice of material will either be the primary factor on […]
Nonlinear dynamic characteristic analysis of a coated gear transmission system
Coatings can significantly improve the load-carrying performance of a gear surface, but how they affect the vibration characteristic of the […]
