Just about every cleaning process is performed in the interest of providing a clean part. This makes the “deliverable” a clean part! Part cleanliness, however, is often not the variable that is tracked in the interest of quality control. Let’s talk about that. It would be nice if there was a simple way to test …
Cleaning sample parts in a test laboratory is one of the logical first steps in the development of a cleaning process and the subsequent specification of cleaning hardware to perform that process. Earlier in my life, as the test lab manager for one of the largest suppliers of ultrasonic cleaning equipment in the world, I …
In my experience, drying deserves a lot more attention than is usually gets in the design of a cleaning system. If for no other reason, drying deserves extra attention because it is almost always the most time-consuming of all steps in the parts cleaning process.
The cleaning process is really just an exercise of removing contamination from the surface being cleaned and moving it to a segregated location for collection and disposal. This is accomplished in a number of ways depending on the volume and nature of the contamination. Solid contamination that is more dense than the cleaning media (usually …
Today’s industrial parts cleaning processes commonly employ at least three distinct steps. The basic steps are Washing, Rinsing, and Drying. Each step is custom tailored to the overall requirement with the range of options for each much broader than one not intimately involved with the technology might imagine. In some processes, in fact, it is …
I will be the first person to advocate cleaning trials in the laboratory as an important step in the development of a cleaning process. I will also be the first to admit that in over fifty years of lab testing I have made (and hopefully learned from) more than a few mistakes made in the …
There’s an old adage – “One Hand Washes the Other.” Although this adage is seldom applied to cleaning technology, it certainly could be. In fact, most successful cleaning consists of a combination of chemistry (soap, solvent or whatever) and some kind of added mechanical force to enhance or enable the cleaning process. If one could …
One of the first steps in the development of any cleaning process is to define and understand the contaminant or “dirt” that needs to be removed. Sounds simple, right? Not so fast! Dirt comes in all varieties and styles. Different kinds of dirt require different cleaning processes. Some dirt is liquid. Oils, coolants, paint, adhesives, …
Why do we clean things? “Cleanliness is next to Godliness” immediately comes to mind but doesn’t seem quite appropriate here. There are tons of reasons to clean things but in the final analysis it comes down to aesthetics and function. Cleaning makes things look better or function correctly or more efficiently. The typical automobile can …
This over-worn catchphrase has been the title or has at least appeared in countless articles on the subject of cleaning. Is it in need of a well-earned retirement? Probably, but in its defense, let me say that “clean” is a pretty nebulous thing. A few minutes ago, I pulled up one of the leading dictionary …
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