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The latest from the Plating Clinic

Plating Clinic: Uniform Thickness Distribution of Brush Plating

Q. Why isn’t my brush-plated deposit uniformly distributed? Derek Varner from Sifco says in order to achieve uniform deposit thickness, a well-designed, properly-used plating tool is critical.

Ask an Expert Published: December 01, 2016

Plating Clinic: Improving Acid Zinc Coverage and Brightness

Q. We plate our parts in a mixed acid-zinc rack bath, containing both ammonium and potassium chloride. How do we improve our zinc deposit’s clarity, brightness and thickness, especially in the low current density (LCD) areas of our parts without sacrificing throw power and without plating for excessively long periods of time?

Ask an Expert Published: November 01, 2016

Parts Cleaning Clinic: Brass Cleaning

Q. How do I clean brass to be powder coated? Expert David Peterson explains that, assuming you have some mill oil or metalworking lubricant on the surface of the brass, the minimum pretreatment needed is a degreasing of some type.

Ask an Expert Published: November 01, 2016

Parts Cleaning Clinic: Cleaning of Inconel

Q. What cleaning methods are recommended for finishing Inconel 718? Can this material be passivated or utilize the Summa process as 300 and 400 series stainless steel, or is there another way to remove the contaminants in regards to machining parts to size?

Ask an Expert Published: November 01, 2016

Parts Cleaning Clinic: Phosphate Coating Problems

Q. We electrocoat sheet metal, iron castings (machined and non-machined) and aluminum castings (machined and non-machined surfaces) and are having problems with poor phosphating on aluminum substrates. We maintain the free acid at 0.7-1.1 points and total acid at 20-24 points, and the total fluoride at 1,500 ppm. Bath temperature is 40°C to 45°C. Any suggestions?

Ask an Expert Published: November 01, 2016

Parts Cleaning Clinic: Pretreatment Equipment Suppliers

Q. I am researching manufacturers of aqueous part washers and phosphate pretreatment systems for powder coating, looking for companies that build conveyor systems, washers and treatment systems; not parts washers. The parts to be cleaned are various sizes of steel, stainless and aluminum fabrications from stampings, cut to length steel tubing, and sheet metal fabrications up to 6 feet long and 3 feet wide. What are my options?

Ask an Expert Published: November 01, 2016

Replacing Nickel with Tri-Metal in Electronics Plating

Tri-metal—or white bronze—is becoming an increasingly popular topic and can be used as a replacement for using nickel in plating applications.

Ask an Expert Published: October 01, 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 this new law.

Ask an Expert Published: October 01, 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: October 01, 2016

Plating Clinic: Adhesion of Brush Plated Deposits

Q. How well does a brush-plated deposit adhere to the base metal?

Ask an Expert Published: September 01, 2016

Plating Clinic: Non-Dyed Versus Dyed Acid Copper

Q. What is the difference between non-dyed vs. dyed acid copper technologies?

Ask an Expert Published: August 01, 2016

Time for a Federal Contractor Reality Check

The economic benefits of a federal contractor status can be significant; the federal government awarded over $445 billion in contracts in the 2014 fiscal year.

Ask an Expert Published: July 01, 2016

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