ISF
Vibratory Bowl Media Attrition: Part 2
What is the Attrition Rate of the Media You are Using? The key tidbit of information relative to predicting how […]...
View MoreVibratory Bowl Gear Polishing Inefficiencies
Media Volume Inefficiency The most common inefficiency in isotropic finishing is a low media level. Media is a wear item […]...
View MoreIsotropic Superfinishing for Gear Repair for Helicopters and Wind Turbines
Isotropic Superfinishing Isotropic superfinishing is a term that, in the broadest sense, describes any process that is achieves a “superfinish” […]...
View MoreAdvancing rocket propulsion through Additive Manufacturing, novel surface finishing technologies and public-private partnerships
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....
View MoreChanges Ahead in the Roughness Standards
I have written numerous articles on tooth flank surface roughness measurement. This is such a page-turner of a subject!...
View MoreReport of the Condition of a General Electric Transportation Systems Gearbox
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...
View MoreRotorcraft Gearbox Regulations: LOL (not what you think)
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....
View MoreRoughness Measurement Tips: The Scratch Pad
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....
View MoreA Comparison of Surface Roughness Measurement Methods for Gear Tooth Working Surfaces
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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