isotropic superfinished surfaces Archives - Page 2 of 4

Metal Finishing for 3D Printed Parts Webinar – Part 8 – LATTICE BRACELET

Posted by Danny Estrada on Tuesday, July 7th, 2020 in

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Metal Finishing for 3D Printed Parts Webinar – Part 5 – FINGER SPLINTS

Posted by Danny Estrada on Monday, July 6th, 2020 in

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Metal Finishing for 3D Printed Parts Webinar – Part 4 – PARACHUTE RINGS

Posted by Danny Estrada on Monday, July 6th, 2020 in

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Metal Finishing for 3D Parts Webinar – Part 3 – GEARS

Posted by Danny Estrada on Monday, July 6th, 2020 in

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Gear designers and manufacturers will need to review and update their tooth flank roughness specifications based on the new ISO 21920 GPS family of standards.

Changes Ahead in the Roughness Standards

Posted by Mark Michaud 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!...

Metal Finishing for 3D Printed Parts Webinar – Part 6 – SHOCK ABSORBER PISTON

Posted by Danny Estrada on Monday, July 6th, 2020 in

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Materials Matter : Roughness Measurement: Optical vs. Contact Stylus Profilometry

Posted by Mark Michaud on Sunday, April 19th, 2020 in

Optical profilometry will become an important tool for predicting gear performance with more research and development of an objective lens to fit into tooth spaces....

Rotorcraft Gearbox Regulations: LOL (not what you think)

Posted by Mark Michaud 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....

Roughness Measurement Tips: The Scratch Pad

Posted by Mark Michaud 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....

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

Posted by Mark Michaud 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...

Vibratory Media Compositions vs. Attrition and Density

Posted by Bill Nebiolo on Tuesday, October 1st, 2019 in

The third in our multi-part series on vibratory processing of gears is focused on understanding how media of different compositions have varying attrition rates and densities, and why these are important in vibratory finishing of gears. ...

How-to-set-up-a-vibratory-bowl-for-gear-finishing-07-19-MM

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

Posted by Bill Nebiolo 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....