roughness specification
Chemical mechanical polishing of powder bed fusion – laser beam processed 316 L stainless steel
1. Introduction Powder bed fusion – laser beam (PBF-LB) enables production of complex geometries, which are difficult or not possible to […]...
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Surfaces: More than just roughness
As the manufacturing community changes and evolves, there is always a need to reevaluate how one thinks about things. New […]...
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An Overview of Correct Vibratory Bowl Set-Up
Step 2: Media Mass Planes of Motion Media has two planes of motion in the vibratory bowl. The first plane of […]...
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Post-Process Superfinishing of Additively Manufactured Components for Next-Gen Space Application
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
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
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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Mechanical Paste Polishing vs. CAVF Finishing of Gears
A recent Materials Matter article compared generic deburring versus CAVF (chemically accelerated vibratory finishing.) Both techniques are conducted in a vibratory unit....
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The Challenges of Generic Deburring vs. CAVF Deburring
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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Changes 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!...
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Materials Matter : Roughness Measurement Tips: Calibration, the Razor Blade Test
If a problem is found with a contact stylus profilometer during routine check with a Rubert-Song specimen, do a little troubleshooting before sending it off for calibration and recertification....
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Roughness 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....
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Measuring Tooth Flank Roughness
Gear performance has continuously increased over the past two decades. Improvements in metals, heat treatments, geometry, and lubrication are just a few of the sources of these improvements....
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