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Mechanical Finishing Clinic: How to Produce a Visual Blasted Finish
Q. We are vibratory finishing an aluminum part and then blasting it to achieve a uniform pre-anodized finish. Can you recommend a process that can give a visual blasted finish in our vibratory machine to eliminate the blasting process?
Ask an Expert Published: 1/1/2017
Mechanical Finishing Clinic: Automated Abrasive Finishing for High-Volume Production
Q. We have a high-volume small stainless ½" × 1" part with a heavy external burr. We need to deburr the part in three seconds to obtain our production rates. We’ve tried high-energy mass finishing and it does not remove the burr. How can we deburr a...
Ask an Expert Published: 1/1/2017
Mechanical Finishing Clinic: Blasting Media That Reduce or Eliminate Ferrous Surface Contamination
Q. We are blasting our stainless parts in a blast cabinet with a finer steel shot. We are concerned about ferrous contamination but need the impact the steel media produces for our parts. What media do you recommend?
Ask an Expert Published: 1/1/2017
Powder Coating Clinic: Discoloration of Metal-Flake in Powder
Q. We have a metal-flake silver powder color that we use regularly. If the surface is abraded with a Taber wheel—or even a pencil eraser—it darkens significantly in the abraded area. We even have this problem when our parts scrape against cardboard ...
Ask an Expert Published: 11/1/2016
Mechanical Finishing Clinic: Recoverable Blasting Media
Q. We blast with a No. 9 glass bead media in our blast cabinets, but are interested in what our hourly media cost would be and how cost compares to other medias?
Ask an Expert Published: 11/1/2016
Mechanical Finishing Clinic: Pressure Blasting for Heavy Mill Scale Removal
Q. We are blasting heavy mill scales off of medium-sized parts in our suction blast cabinet with 80-grit aluminum oxide. We want to continue to blast by hand in a cabinet but would like to be more efficient. Can you suggest a quicker process?
Ask an Expert Published: 11/1/2016
Mechanical Finishing Clinic: Steel, Stainless Burnishings for Edge Dulling
Q. We have a precision 5 x 6-inch stainless machined part with various small holes. We need to dull the many edges and brighten the part. We’ve tried vibratory mass finishing, but the medias wear down and lodge into the holes. What finishing system ...
Ask an Expert Published: 11/1/2016
What’s New in the Defend Trade Secrets Act of 2016
The Defend Trade Secrets Act (DTSA) of 2016 passed with overwhelming support and the Act is now effective, impacting how a company can protect its assets. Below is a recap of what is new and what every company should be looking to do in light of thi...
Ask an Expert Published: 10/1/2016
Parts Cleaning Clinic: Zinc Shot Blasting, Zinc Plating Alternatives
David S. Peterson talks zinc shot blasting, zinc plating alternatives, and advantages to reducing the heating of alkaline cleaners.
Ask an Expert Published: 10/1/2016
Visual Finishing Options In Mechanical Finishing
There are only three visual finishes (with variances of each) with mechanical finishing when visual effects are important: bright-reflective, satin-matte and directional or non-directional lines.
Ask an Expert Published: 7/1/2016

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