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Liquid Coating

Back to School

Think you're doing everything you can to obtain maximum transfer efficiency? Think again. The University of Northern Iowa’s Spray Technique Analysis & Research (STAR) program proves that transfer efficiency isn’t as much about the gun as it is the person holding it...

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Clean Slate

By the time you read this column, the NFL season will be into its third or fourth week.

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Electrocoating

E-Coat Prep

Question: Please advise if you know of a best practice for cleaning or other surface preparation for e-coating that needs to be “secondary crimped.” L.N.

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Key to Character: The Self-Image

One of the few men able to influence President Woodrow Wilson was Colonel Edward House.

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Parts Cleaning

Paint Blush

Question: I work for a door manufacturer as a process engineer for steel doors.

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Parts Cleaning

Powder Coating Over Finished Chrome Parts

Question: We have a four-stage washer with a first-stage iron phosphate wash heated to about 130°F, two fresh water rinses and a final seal rinse.

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Thermal Energy Deburring Heats Up

The Thermal Energy Method (TEM) for deburring removes thin metal projections (burrs, flash) from manufactured workpieces by using the energy released when combusting fuel gas and oxygen to burn away the undesirable metal. This technology has been in commercial practice since the late 1960s and while still considered a non-traditional finishing process, it has attained wide acceptance in certain industries…

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Powder Coating

Understanding Fluidized Bed Powder Coating

For more than 50 years, fluidized beds have been used to coat parts with powder coatings. In this article, two industry experts tackle some common questions about the fluidized bed process…

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Liquid Coating

White Powdery Residue on Phosphated Steel

Question: I run a sheet metal shop.

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