isotropic superfinished surfaces | REM Surface Engineering

Mechanical Paste Polishing vs. CAVF Finishing of Gears

Posted by Danny Estrada on Montag, August 3rd, 2020 in

A recent Materials Matter article compared generic deburring versus CAVF (chemically accelerated vibratory finishing.) Both techniques are conducted in a vibratory unit....

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

Posted by Danny Estrada on Dienstag, Juli 7th, 2020 in

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

Posted by Danny Estrada on Montag, Juli 6th, 2020 in

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

Posted by Danny Estrada on Montag, Juli 6th, 2020 in

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

Posted by Danny Estrada on Montag, Juli 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 Freitag, Mai 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 Montag, Juli 6th, 2020 in

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Materials Matter (DE)

Posted by Jac Sinex on Dienstag, Mai 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 Montag, März 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 Donnerstag, Januar 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 Freitag, Oktober 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 Dienstag, Oktober 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. ...