Parts Cleaning
John Cole Named UM-Dearborn 2016 CECS Alumnus of the Year
See the VIDEO; Cole has won both the State of Michigan’s Professional Engineers in Industry “Outstanding Engineering Award” and the Detroit Metro Chapter’s “Engineer of the Year” award.
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Aqueous Cleaning Solutions Drive Safety and Profitability
The change to technologically advanced, environmentally friendly cleaning solutions can support a safer, more sustainable and more profitable workplace.
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Ultrasonic Technology Takes Tool Cutter beyond the Same Old Grind
New agitation pre-cleaner helps remove more oil and dirt while shortening cycle time.
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Parts Cleaning: The Basics of Bases and Acids
Small changes in the pH of a cleaning bath can make the difference in achieving effective cleaning.
Read MorePowder Coating Clinic: Avoiding Rust on Parts
Q. We apply lighter colors of powder to our ticket machines for parking lots.
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Powder Coating Clinic: Masking for Logo Design
Q. We are powder coating stainless steel water bottles for our company. For our logo, we would like to use a vinyl sticker or decal before powder coating. After the coating is applied, we want to peel the vinyl off to achieve a stainless steel logo effect, so we need some kind of temperature-resistant vinyl. Any suggestions?
Read MorePowder 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 packaging. Our supplier suggested we switch from an unbonded leafing aluminum to a more expensive bonded product. We tried the bonded leafing aluminum, but we still have the same problem. Certain types of friction create this effect, seemingly those that perhaps have a higher coefficient of friction. Do they remove the aluminum flake from the surface? Can you explain this problem and tell us why it happens with some abrasives and not with others? What can we do to stop this?
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Powder Coating Clinic: Measuring Film Thickness before Cure
Q. How can I tell if the powder film build is thick enough before I cure the powder coating? We coat a lot of square footage and we need to control our cost. We often put on too much powder to avoid light coating. I need to know what my uncured film thickness is.
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Powder Coating Clinic: Sanding for Repair
Q. We sand aluminum die-cast parts that have minor defects in the powder coating before recoating them. The small areas of dirt, metal blemishes, fibers or similar particles are sanded using 120-grit sandpaper on an orbital sander. After recoating the parts, we often find more little specks and other defects and lines from the sanding disk in the coating. My question is, does this happen because of the sandpaper we are using, or because we sand all the way to the aluminum, exposing the surface and causing it to outgas?
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