The Power of My Checklist

35 years ago I was a little taller and skinnier with no gray hair and zero experience in the metal finishing world. Like so many other people, I was a little overwhelmed the first days on the job. I learned quickly that I did not know everything; in fact, I was a “plating dummy”. Time after time, I walked into plating shops, discovered a problem and had to call a technician for support. Slowly, after a few hundred incidents I knew what to check and in what order to troubleshoot my client’s problems. I had developed a checklist. Finally, I reached a point where I could honestly say I knew what … [Read more...]

Troubleshooting a Nickel Bath: Zinc Contamination

So it’s happened; someone accidentally added zinc anodes to the nickel bath. What can you do? Well, the easiest and most expensive option is to just dump the bath and make it up fresh. While this is a great way to ensure your sales representative remembers you come Christmas time, it won’t put you on your boss’ good side. Instead, you can opt to either dummy plate or complex the zinc metal out of solution. Dummy Plating Let’s take a look at dummy plating, and I’m not referring to when you have the new guy try to plate some parts. Dummy plating is a process by which we can remove unwanted … [Read more...]

Special NAFS Event with Mark Stoddard

Indiana NASF Chapter The Indiana chapter of the NASF (National Association for Surface Finishing) has reorganized in an effort to provide the local surface finishing companies with industry-critical information. Our keynote presenter will be Mark Stoddard of the Indiana Department of Environmental Management (IDEM), where he had been employed since 1986. Mark holds a BS degree in Chemical Engineering from Rose-Hulman Institute of Technology. He will be speaking about environmental issues that face our industry today and will impact tomorrow. About the Event When:      Tuesday September … [Read more...]

What is a Procedure-Based Maintenance Organization?

When I was 19 years old I joined the Navy. I was assigned to work on submarines and spent much of my time in the service under water. Floating under the water in a hopefully airtight vessel will focus your mind on the importance of maintaining equipment. I was assigned to the Attack Submarine USS Snook (SSN-592).  During my time onboard I was forced to become familiar with the  “Submarine Safety” (SUBSAFE) program.  In fact , the Navy taught me a few things. First, I learned  the importance of  check lists. Second, I was introduced to the need for standard operating procedures. Finally, I was … [Read more...]

What are you putting in your tank?

Have you ever heard the expression “the devil is in the details”? How many times do we think we have covered everything only to find out that some of the basic things get overlooked? One of the details that I find frequently overlooked is accounting for ALL components that make up a process tank. Standard Components in a Watt's Nickel Plating Bath For example, let’s take a look at a standard Watt’s nickel plating bath. The components that are commonly tested for are nickel metal, nickel sulfate, nickel chloride, boric acid, surface tension, carrier concentration, pH, and secondary … [Read more...]

What is Clean? Part II

In Part I, we discussed “What is clean?” and the harmful effects of unclean. In Part II, we will describe a simple suggestion to determine cleanliness that does not require or demand (as in the case of cleanliness specifications dictated by some processes) expensive laboratory equipment, clean rooms, etc. Pay Attention to the Water Break Free Surface Generally, the first and simplest sign we look for in a “clean” surface is a “water break free” part emerging from the rinse steps after the soak and electrocleaner. A water break free surface should have a coating of water, adhering across the … [Read more...]

What Is Clean? Part I

One of the most common phrases I hear from metal finishing managers when referring to their pretreatment cycle and working with them in choosing a cleaner for their process is, “We need the part to be clean.” But what is clean? How do you define clean? Can parts be too clean?  From parts washing between assembly steps at large automotive manufacturers, to clean assembly rooms, to parts involved in paint and plating pretreatment, the word “clean” takes on several definitions and concepts. In this two-part article we will describe: Our definition of "clean" to meet the gambit of finishing … [Read more...]

The Basics of Phosphate Conversion Coatings

The phosphate process is the treatment of a metal surface that produces a reasonably hard, electrically non-conducting surface coating of insoluble phosphate that adheres to the underlying metal. It is used to enhance corrosion resistance, lubricity or as a foundation for subsequent coatings or paint. Zinc and manganese phosphates are also used to help break in parts subject to wear and to prevent galling. Zinc phosphate is often used with sodium stearate for lubrication in forging processes. It may be applied to a variety of substrates. Main Types of Phosphates The main types of phosphates … [Read more...]

What is the Timeline for GHS?

In an effort to promote standard criteria worldwide for classifying chemicals according to their health, physical and environmental hazards the Globally Harmonized System (GHS) of Classification and Labeling of Chemicals initiative  was launched. Supporting this initiative, Osha has issued a Hazard Communication Standard Final Rule. This rule outlines changes for both chemical users and chemical producers to become compliant with the new GHS standards. Chemical users: Continue to update safety data sheets when new ones become available, provide training on the new label elements and … [Read more...]

Water and Your Plating Process

When it comes to cleaning and plating, there is one element which affects every single bath. This substance often makes up well over half of each tank, and we largely ignore it. That’s right, I’m talking about water. We put it in every bath, but pay no attention to what kind of water we have and what impact it will make. So let’s start at the beginning to understand how water effects the plating process.  Types of Water That’s right; there are multiple types of water. These can be summarized into Hard, Soft, and Purified. Hard water is characterized by a high mineral content. Oftentimes, … [Read more...]