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...
Chamfering of cylindrical gears: Innovative new cutting solutions for efficient gear production
Cylindrical gear chamfering and deburring is a rather “unloved” process that adds cost but without delivering readily apparent improvements in gear quality. However, the...
Power skiving: High quality, productivity, and cost efficiency in gear cutting
Like electric mobility, the technology of power skiving has been known for more than 100 years and, with the availability of 5-axis machining...
Stability and flexibility: A new paradigm for eBeam metal AM
Additive manufacture (AM), and in particular the powder bed fusion (PBF) process, has offered hope to manufacturing industries needing to meet the environmental and...
Leveraging the complementary strengths of orbitless and planetary drives
An orbitless drive is a novel, fixed-ratio, epicyclic drive that includes a second carrier in place of a ring gear. It has been shown...
The benefits of splines
What is a spline? According to the American Heritage Dictionary of the English Language, a spline is defined as: Noun: 1a) Any of a...
Bringing forging equipment online to meet expanding production requirements
When forging operations need to expand production to meet increased demand for existing parts or to add new product lines, selecting from the available...
Rapid and precise manufacturing of special involute gears for prototype testing
Due to the steadily increasing demands on the power density of mechanical transmissions, gears with special geometries are increasingly coming into focus and, therefore,...
Optimization of rack and pinion for offshore jack-up applications
Liftboats or jack-up oil rigs are essential for the oil and gas industry. The subsystem (rack, pinion, gearbox, and brake) within the system lift...
Tooth root testing of steels with high cleanliness
The power density of gearboxes is continuously increased through different research activities. Besides new material developments, steel cleanliness comes to the forefront in order...
Inspection & Metrology: Promoting manufacturing efficiency with 3D optical metrology
Woodward Inc. works with leading optical metrology instrument supplier ZYGO to “tune” its manufacturing processes by leveraging precise 3D surface data. In many cases,...
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 the measurement of previously...
Tooling & Workholding: Why precision clamping matters
Precision clamping devices can be custom designed for applications and can vary over a wide range of industries. David Jones, precision workholding manager for...
Tooling & Workholding: Improving tool holder performance
The four critical requirements for tool holders are clamping force, concentricity, rigidity, and balance for high-spindle speeds. When these factors are dialed in just...
Why selective plating stops gears from grinding to a halt
When problems occur with gears, maintenance engineers know how much of a headache they can be to fix.
During the manufacturing stage, despite all...
Optimization of asymmetric tooth root generated with protuberance hob
The Direct Gear Design method optimizes various parameters and elements of gear tooth geometry to achieve the required gear-drive performance. One such critical...
