Impact of Surface Condition and Lubricant on Effective Gear Tooth Friction Coefficient
The impact of gear tooth surface roughness and advanced coatings on frictional losses in a gear mesh is of significant interest to the transmission...
The Internet of Gears: New Perspectives Through CMS
During the past decades, the capacity of production machinery increased continuously in nearly all industries. A doubling of the capacity in a time span...
Worm Screw High-Speed Manufacturing
This paper shows how to produce worm screws when your actual gear hobbing machine configuration has the hob axis perpendicular to the workpiece axis...
Review of Microstructure and Properties of Non-Ferrous Alloys for Worm Gear Application and Advantages...
Worm gears are used for large gear reductions. Gear ratio ranges of 5:1 to 300:1 are typical. Generally, worm gear setup is designed so...
Case Study: How Advanced Gearbox Testing Drove the Need for the Lost Foam Casting...
For decades, powertrain test systems incorporated custom test stand gearboxes constructed with fabricated gearbox housings. In some cases, fabricated housings are still a viable...
Introducing a New Machine Concept for High-Productive Gear Grinding
The increasing demand for efficiency and noise emission of gears pushes the grinding process to its limits. With the widening range of applications for...
A Look at Expanding Mandrels for Gear Workholding
In the gear manufacturing industry, the final inspection process is the last step before the gear is shipped to the end user. In order...
Understanding the Basic Principles of Power Skiving
The interest and successful application in power skiving is increasing within the gear manufacturing community as well as within companies that have access to...
The Whirling Process in a Company that Produces Worm Gear Drives
The worm geometry of worm gearboxes, especially the thread profile and the shape of the thread flanks, depends on the machining method.
The machined profiles...
Not All Broach Tools Are Created Equal
Broach tools may look alike at first glance, but they don’t always perform the same. Some work the first run but don’t perform well...
Cutting Tool Innovation – From Dry Hobbing to Super Skiving
The gear skiving process was first introduced over 100 years ago. The machines and tools of the time were not up to the task,...
Developing an Energy-Efficient Industrial Gear Oil
Gearboxes found in mining and manufacturing sectors encounter a variety of harsh conditions. Heavy loading, longer duty cycles, and high operating temperatures constitute a...
Parametric Geometric Modeling of a Spur Gear Using SolidWorks
For a spur gear as a mechanical element, the design and sketching of the involute guarantees optimum functionality. This paper shows the parametric design...
Intelligent Process Monitoring Is Advancing Gear-making Productivity
Gear-making technology has been advancing at an extremely rapid pace. By many accounts, developments in tooling and machine technology have quadrupled productivity in the...
Influence of Contact Conditions on the Onset of Micropitting in Rolling-Sliding Contacts Pertinent to...
Micropitting is a type of surface damage that occurs in concentrated, rolling-sliding contacts, such as those between gear teeth, through rolling contact fatigue mechanisms....
Richard Test 2
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Richard Test
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Gear Design Relevant Cleanness Metrics
The “Metallurgical Specifications for Steel Gearing” information sheet (AGMA 923-B05) details non-metallic inclusion limits to meet AGMA grade expectations for a range of...
New Refinements to the Use of AGMA Load Reversal and Reliability Factors
The American Gear Manufacturers Association (AGMA) rating standard, ANSI/AGMA 2101-D04, “Fundamental Rating Factors and Calculation Methods for Involute Spur and Helical Gear Teeth” ,...
