Envelope surfaces in the gear design and in the gear-machining processes
This article deals with envelope surfaces used in gear design and in gear-machining processes, those using the gear generating principle when rotations of two...
Addressing the demand for energy efficiency in gear measurement technology
Since the beginning of the 21st century, there have been efforts to combat climate change with environmental measures. In that vein, the improvement of...
Use of gear reliability data in a cloud-based gearbox digital twin using telematics data
Technological trends tend to attract convenient phrases whose usage “goes viral,” picking up more and more references across the world. In particular, the “Digital...
A new level of flexibility in gear grinding
Finishing gears and profiles more efficiently is the goal behind any company’s push for innovation.
This has led to the development of a sophisticated modular...
Purpose-built forged parts optimized for ‘end use’
When forging seamless rolled rings for diverse sectors such as industrial machinery, pulp and paper, turbines, and oil and gas exploration, it is crucial...
Influence of precipitation conditions on the tooth root and pitting load carrying capacity of...
Today, case hardening represents the standard heat-treatment process for highly stressed gears. The microstructure in the surface layer of the gears generally consists primarily...
Angular velocity ratio: A novel approach for the determination of its instant value
This article deals with the angular velocity ratio in gearing. In the introduction section, it is stated the following discussion pertains to gearing of...
Customize gear skiving for precise, efficient gear cutting
Producing many slots on a gear is a challenging process that requires high accuracy. Manufacturers need to achieve high accuracy while being as productive...
CMM controller retrofits enable multi-sensor inspection
At one of two factory units in Devizes operated by sealing specialists Cross Manufacturing (www.crossmanufacturing.com), two coordinate measuring machines (CMMs) built by LK Metrology...
Determination of the AGMA J-factor for internal spur gears
The Geometry Factor for Bending Strength, J, also known as AGMA J-factor, is used to assess the tooth- root stress of spur and helical...
Case study: The cutting edge
A few short years ago, producing the bevel gearset for the Falk® V-Class® gear drive at Regal Rexnord’s Milwaukee-based plant looked like this:
A...
Forging ahead
A wide range of industries such as aerospace, automotive, mining, oil and gas, machinery manufacturing, and power generation rely on seamless rolled rings, which...
Demand for forged parts spurs drive to rebuild, automate equipment
Today, global demand for rebuilt forging equipment is surging, driven in part by a dramatic rise in the need for military ordnance spurred by...
Numerical approach to account for actual tooth root geometry
Various numerical methods have been suggested for validation of tooth root bending strength. In these approaches, it has always been a challenge to consider...
Mathematical model of a straight bevel gear on the straight bevel Coniflex generator and...
Coniflex cutting, a popular mass production method for straight bevel gears, employs two giant interlocked circular cutters to generate tooth surfaces. By controlling the...
Power skiving for gears: Advanced solutions and contributions
Gears are fundamental components in various industries, ranging from automotive to aerospace, where precise and efficient power transmission is crucial. Power skiving has emerged...
What the term ‘conjugate gear tooth flanks’ stands for
This article deals with conjugate gear tooth flanks. An evolution of the gear tooth flank geometry is briefly outlined, and the key accomplishments in...
Power-skiving tool offsets and the feasibility of using a calculator for manipulating the resulting...
Within this article, the power skiving process of gear tooth machining was evaluated and developed with respect to cutting tool orientation. The impact of...
Sustainable additives: Assisting with reducing the carbon footprint of lubricants
The ongoing trend to sustainability is prompting lubricant manufacturers to determine how their products are sourced, manufactured, used, and then, hopefully, recycled, so they...
Noise analysis for e-drive gears and in-process gear inspection
E-drive gears differentiate from other automotive gears by two essential points: higher quality and the need for an excellent noise behavior.
Gear noise can have...
