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Technical diagnostics of a gear hobbing technological system on diagnostic signs of deviations of...

The article reveals the main provisions of technical diagnostics of a gear hobbing machine system with CNC on the diagnostic parameters of the profile...

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 as susceptible as gears...

Reduction of the tonality of gear noise by application of topography scattering for ground...

The noise behavior of transmission is mainly caused by the excitation in the gear mesh. The standardized design and calculation methods for gears concentrate...

Gear forging opportunities

Forging has long been used to manufacture gears, particularly in the production of gear blanks, which often uses open-die forging, closed-die forging, and hot...

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 methodology consists in installing...

Hob quality basics

The quality of a hob directly affects the final quality of the gear it generates. AGMA has developed a standard covering the allowable tolerances...

Perfect Pitch

Gear manufacturers are turning to workholding to help reduce costs without compromising quality. Pitch Line Fixtures, for example, can be used to provide a...

Predicting Gear Sliding Losses

Gearbox efficiency is becoming increasingly important for vehicle manufacturers to help achieve their overall fuel savings goals. Enhancing gearbox efficiency is also critical in...

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 is actual breakage, but...

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 achieve high-power transfer without...

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 the cutter, adjusts the...

A new approach for the calculation of worm shaft deflection in worm and crossed...

Worm gear drives are characterized by a simple design, which allows the realization of a high gear ratio within one stage. Furthermore, they are...

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 thread surfaces of a...

Multi-sensor metrology advances

Demand for accurate gears delivered on tight schedules is increasing. To keep pace, technology is continually advancing, enabling manufacturers to do more in the...

Documenting defects with greater accuracy

We are in an era where modern technology and automation are rapidly evolving and pushing out conventional hand-operated tools. The LED magnifying glass lamp...

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 which the gear geometry...

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 system is an urgent...

Electrification in the automotive domain

In the modern world, there is no limit to the varieties of vehicles available in the market. From variations in engine types such as...

New standardized calculation method of the tooth flank fracture load capacity of bevel and...

Bevel and hypoid gears are widespread in automotive, industrial, marine and aeronautical applications for transmitting power between crossed axles. Future trends show that the...

‘Never say: It’s not my job’

After an evening of dinner and a meet-and-greet with his wife and children, one of Tom Kelly’s dear friends and colleagues sat the senior...
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