A few more things to monitor – Dirty rinse – An effective rinse is critical to most cleaning processes. Only in very limited cases can residues from the cleaning step be left on parts after they are cleaned. It does not, of course, do any good to clean the parts if they become re-contaminated by a …
Here are a few more variables that can be monitored in cleaning systems in pursuit of a Six Sigma process – Oil laden detergent – A good oil removal system is paramount in controlling the quality of the detergent in a cleaning system. An oily bath can quickly become ineffective in removing additional oil and even …
As discussed earlier, monitoring variables in a process is a critical part of Six Sigma. The following are some examples of parameters that can be monitored in a cleaning process and some suggestions regarding how the monitoring can be done. Chemical Concentration – Chemistry (detergent, acid, rinse aid, etc.) is one of the most important components of the …
When in the quest for six sigma performance it never hurts to have a little “head room” in the process. In simple terms, this means that the equipment used should not be “maxed out” to achieve the desired result. I’m sure that none of us would be comfortable if we had to keep the accelerator …
“Electropolishing,” (often shortened to E-P) is a term frequently heard in cleaning circles. Electropolishing of surfaces of cleaning equipment is employed to provide enhanced cosmetic appearance and, more importantly, to enhance their functionality. What is Electropolishing? – Electropolishing is a lot like electroplating except in reverse. In electropolishing, metal is removed rather than added as …
I have written before that there are four major variables we consider in cleaning – – Time, Temperature, Chemistry and Agitation. Based on some recent feedback from the field, however, I guess I need to provide a little more emphasis on the benefits and definition of agitation as it relates specifically to ultrasonic cleaning processes. …
In The BIG Four, I talked about the four important variables in cleaning. These are time, temperature, chemistry and agitation. In that blog, I mentioned that a shortcoming in one variable can, to a point, be overcome by changing another of the variables. For example, increasing temperature or changing chemistry may reduce the time required …
In order to achieve six sigma results, one must evaluate, measure and statistically control ALL phases of the cleaning process. A typical cleaning process is comprised of three main stages – – washing, rinsing and drying. Each of these must be addressed and controlled separately as any one of the three being out of control …
Achieving Six Sigma Capability Parts Washing “Six Sigma” methodology is one of many tools that can be used to improve process efficiency. The following several blogs are excerpted from an article written by Dale Bowden of the Cleaning Technologies Group and was published in Process Cleaning Magazine. Mr. Bowden specifically explores the role of cleaning …
A reader has asked about the possibility of using ultrasonics to wash dishes. He writes – – – “Ultrasonic cleaning in a dishwashing application is something that I am currently interested in. Having read some of your other blog posts which mention sequential use of turbulation in the liquid to supplement the ultrasonics, I was …
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