machine surfaces

Post-Process Superfinishing of Additively Manufactured Components for Next-Gen Space Application

Posted by on Thursday, November 4th, 2021 in

REM Surface Engineering and Additive Manufacturing The past decades have seen Additive Manufacturing (AM) develop from an idea to a […]...

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Scratching the Surface: How Surface Engineering Fills in the Gaps that AM Leaves Behind

Posted by on Wednesday, May 12th, 2021 in

Prior to 3D printing’s arrival on the manufacturing scene, the US military supply chain was often met with lengthy and arduous timelines for critical asset production. This not only stalled the manufacture and repair of essential equipment within t...

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Case Study of ISO/TS 6336-22 Micropitting Calculation

Posted by on Wednesday, May 5th, 2021 in

ISO/TS 6336-22 (Calculation of load capacity of spur and helical gears — Part 22: Calculation of micropitting load capacity) is the ISO technical specification containing a proposal for a calculation for the risk of micropitting in gear sets....

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The Challenges of Generic Deburring vs. CAVF Deburring

Posted by on Sunday, July 19th, 2020 in

Relative to gear hobbing, shaving, and/or post heat-treat grinding to generate accurate tooth morphology there may come a time wherein vibratory deburring is a requirement to remove adherent burrs. ...

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Materials Matter: How to Set Up a Vibratory Bowl for Gear Finishing

Posted by on Friday, July 19th, 2019 in

The vibratory bowl is toroidal-shaped, consisting of a center hub surrounded by an OD wall. Direct drive machines have a motor and driveshaft set inside the center hub....

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Physical Characteristics of the Vibratory Bowl and How They Affect Processing Efficiency

Posted by on Friday, July 19th, 2019 in

Vibratory bowls are outfitted with hot-poured polyurethane liners and their durometer hardness is an oft-cited characteristic. But what is durometer hardness and how is it useful?...

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AH-64 Loss of Lubrication Study: Test of Isotropic Superfinished AH-64 (Apache) Engine Nose Gearbox Without Black Oxide Coating

Posted by on Wednesday, September 19th, 2018 in

Rotorcraft gearboxes are designed to the utmost precision to withstand the tremendous demand and loads required to convert thousands of horsepower and RPM into hundreds of RPM and lift torque....

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Materials Matter: Lambda Ratio

Posted by on Friday, October 21st, 2016 in

The lambda ratio was originally developed to quantify the quality of lubricant operating regimes relative to bearing performance....

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Materials Matter: Gear Surfaces and Operational Performance

Posted by on Wednesday, March 16th, 2016 in

In the search for increased performance and durability, gear and bearing design has sought to make use of improved steel grades combined with enhanced heat treatment techniques....

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