ISF

Vibratory Bowl Media Attrition: Part 2

Posted by on Monday, June 20th, 2022 in

What is the Attrition Rate of the Media You are Using? The key tidbit of information relative to predicting how […]...

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Vibratory Bowl Gear Polishing Inefficiencies

Posted by on Tuesday, May 31st, 2022 in

Media Volume Inefficiency The most common inefficiency in isotropic finishing is a low media level. Media is a wear item […]...

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Isotropic Superfinishing for Gear Repair for Helicopters and Wind Turbines

Posted by on Thursday, October 14th, 2021 in

Isotropic Superfinishing Isotropic superfinishing is a term that, in the broadest sense, describes any process that is achieves a “superfinish” […]...

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Advancing rocket propulsion through Additive Manufacturing, novel surface finishing technologies and public-private partnerships

Posted by on Tuesday, December 1st, 2020 in

Whilst Additive Manufacturing is undoubtedly having a huge impact on the design and manufacture of rocket propulsion systems, most notably combustion chambers and nozzles, the Achilles’ heel of all AM process is currently as-built surface finish....

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Metal Finishing for 3D Printed Parts Webinar – Part 7 – OPEN IMPELLER

Posted by on Monday, July 6th, 2020 in

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Metal Finishing for 3D Parts Webinar – Part 2

Posted by on Monday, July 6th, 2020 in

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Metal Finishing for 3D Printed Parts Webinar – Part 1

Posted by on Monday, July 6th, 2020 in

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Changes Ahead in the Roughness Standards

Posted by on Friday, May 15th, 2020 in

I have written numerous articles on tooth flank surface roughness measurement. This is such a page-turner of a subject!...

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Report of the Condition of a General Electric Transportation Systems Gearbox

Posted by on Tuesday, April 14th, 2020 in

Wind power plant operation and maintenance (O&M) costs remain an appreciable contributor to the overall cost of wind energy, with a capacity-weighted average of $11/megawatt-hour (MWh) for projects installed since 2000 and $9/MWh for projects install...

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Rotorcraft Gearbox Regulations: LOL (not what you think)

Posted by on Monday, March 16th, 2020 in

The European Union’s CS-29 Amendment 7 places more stringent and rigorous testing requirements for certification of Category A type pressurized gearboxes under loss of lubrication conditions compared to the previous regulation....

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Roughness Measurement Tips: The Scratch Pad

Posted by on Thursday, January 16th, 2020 in

From the perspective of the shop floor environment, the previous Materials Matter column “Roughness Measurement Tips: 2 V 5” discussed the contact stylus 2-micron radius tip versus a 5-micron radius tip....

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A Comparison of Surface Roughness Measurement Methods for Gear Tooth Working Surfaces

Posted by on Friday, October 25th, 2019 in

Surface roughness is a critical parameter for gears operating under a variety of conditions. It directly influences friction and contact temperature, and therefore has an impact on various failure modes such as macropitting, micropitting and scuffing...

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