Yet another case study that looks at the cost of switching to aqueous cleaning for a vehicle fleet. A simple calculator tool at the end of the article outlines the different critical cost heads that you should consider. A solvent cleaning operation with 4 units costs approximately $61,000 per year while a aqueous based ultrasonic cleaning system can cost somewhere between $8000 and $16,000. Potential annual savings were calculated at $25,000. An ultrasonic parts cleaner is seriously a no brainer when it comes to parts cleaning. Not only do they bring in significant cost savings, they are also environmentally friendly, and increase worker safety in the repair shop.
Here is another case study selling the benefits of aqueous cleaning for auto repair shops. This case study gets right down to the bone and analyzes the actual payback period for an investment in ultrasonic cleaning systems. Acoss the 9 auto repair shops studied there was an annual savings of $15,000 at the maximum and a payback period of 5 months at the minimum. This varies according to the nature of operation and you should review the report and benchmark it against your repair shop. Using an ultrasonic parts cleaners is a fairly straightforward operation and shouldn’t pose any great difficulty in getting started. For more information on how to convert your auto repair shop to aqueous ultrasonic cleaning systerms please contact us.
The University of Minnesota’s Technical Assistance website has a good overview of aqueous cleaners and parts washers for small operations. They explain the benefits of aqueous cleaners when compared to petroleum based solvents. Environmentally friendly, non hazardous chemistries, coupled with increased worker safety push the case for switching to aqueous cleaners. The article explains the different types of aqueous cleaners and their operations, and winds up the discussion with recommending ultrasonic cleaners as a method to clean complex parts with intricate, hard to reach internal geometries. Something we’ve been advocating for a very long time. See our article on ultrasonic parts cleaning of complex structures.… Read the rest
The Tufts University School of Dental Medicine conducted a study evaluating the degree of spatter and contamination generated during instrument cleaning before sterilization. The results were fairly conclusive. Spatter generated through cleaning has a high probability for acting as a vehicle for bacterial contamination. Spatter could travel both outwards and upwards towards the protective eye gear worn by staff. The article lists several procedures that can help reduce the infection risk to a large extent. Where possible they advocate the use of ultrasonic cleaners. This is line with our recommendation to use an ultrasonic cleaner for dental instrument cleaning.
This study has some great findings. The objective of the study was to measure the levels of decontamination possible with ultrasonic cleaning. The first staturated dental instruments with blood contaminants at a level that was 10x higher than normal. Ultrasonic cleaning of these instruments showed a 100x reduction in contamination while hand and manual cleaning proved largely ineffective. In addition to that, they infected the dental instruments and hand pieces with a virus. The reduction in virus levels was startling: 1000x for handpieces, and 1,000,000x for instruments. This validates what we’ve advocated all along: an ultrasonic cleaner for dental instrument cleaning is a critical piece of equipment. This of course does not replace sterilization as the final step after ultrasonic cleaning.
In this study published at Sage Journals, they examine the effect of ultrasonic cleaning on polysulphide rubber impressions and measure the dimensional change in the impression. This is an important test as any change in the dimensions can have a negative impact on the produced cast. The final result of the study validated the use of ultrasonic cleaners. Clinicians were unable to differentiate between casts created from rubber impressions cleaned with ultrasonic cleaners or those cleaned by other methods. Not only that, the measured distortion in dimensions due to ultrasonic cleaning were no different from other cleaning methods. A related post discusses ultrasonic cleaning of molds.
As we suggested in our blog post How to Select Ultrasonic Cleaner Solutions* cleaning solution chemistry has an important bearing on the success of operating an ultrasonic cleaner. Here we will look at some other considerations to keep in mind.
For example, the choice of a cleaning chemistry depends not only on the surface material and contamination, but also on the use and level of cleanliness required after cleaning. Here are but two of many examples we could share:
For precision cleaning prior to coating operations you need a cleaner that easily rinses residue-free. This helps ensure that coatings such as powder, anodizing, chromium plating or paint will fully adhere to the surface. For applications such as these we strongly suggest EC 260 d&s neutral foam-inhibited concentrate.
There are less-demanding levels of cleanliness for other applications. If your shop cleans, repairs or reconditions used equipment made of materials such … Read the rest
According to this newspaper article from 1970, modern gadgets in the home don’t save women time from daily chores. They mention that even an ultrasonic dishwasher (which 40 years later is yet to see the light of day) may get your forks cleaner but it won’t save any time over a regular dishwasher. We would tend to agree. The principle of ultrasonic cleaning won’t make your dish cleaner any faster. However, when it comes to regular ultrasonic cleaning of jewelry or small parts or fishing gear or guns or even dentures, the process is much faster. Why? Manual cleaning of such items is laborious, time consuming, and may require two or three passes before you get the job done. In contrast dunk the lot into an ultrasonic cleaner and you can get it clean in 10 to 30 minutes depending on the object you are cleaning. Ultrasonic cleaning is fast. … Read the rest
It never stops amazing me! Here is another newspaper clip from 1966. This time a hospital room gets an ultrasonic cleaner through a charitable donation. Till recently, I was under the mistaken impression that ultrasonic cleaning is a relatively modern technology. The deeper I dig the more astounding it gets. That it is being used in a hospital operation theater indicates that the technology had reached sufficient maturity back then itself! It would seem that the major wonders of science were discovered in the 20th century and all that we are left with is a process of refinements and upgrades. Something to think about….
Here is a great overview of the CDC Guidelines on Dental Instrument Sterilization. It covers: transporting, receiving and cleaning, wrapping and packaging, sterilization, storage and distribution, and sterilization monitoring. All very important within the context of minimizing the risk of infection. What we’d like to point out is the absolute necessity for an ultrasonic dental instrument cleaner. This is a critical pre-sterilization step as noted in the above article to ensure that all stray debris and organic matter are scrubbed off the instrument surface.