Static Control & Web Cleaning
Implementing contact cleaning technology: permanently removing particles for rollers can significantly enhance the cleanliness of your process
P
article Removal Technology – also known as Contact Cleaning – has been adopted by many OEMs and End Users to permanently remove unwanted particles from the surface of a web during critical processing, such as printing, coating and slitting. The result is a cleaner web, leading to reduced scrap and downtime, and ultimately, increased productivity and profi tability. However, it is not only the removal of particles from the web that can deliver signifi cant productivity benefi ts to the customer, implementing contact-cleaning technology into other areas of the process can further enhance and accelerate the return on investment in contact cleaning. An example of this is the installation of contact cleaning technology on to rollers that perform a critical function in converting, such as coating, embossing and laminating. Maintaining a constantly particle-free surface on the rollers will dramatically reduce the frequency of issues such as streaks and repeaters, which if undetected can lead to a signifi cant waste of material and production downtime required to access and clean the problematic rollers - and the faster a web process operates, the more material can be wasted.
At KSM we engineer our particle removal rollers to compensate for surface straightness and concentricity tolerances of process rollers to ensure absolute intimate contact between the two rollers and thus ensure total particle removal across the entire width and circumference of the rollers. Contact-cleaning has typically and historically been associated with the implementation of a precision-engineered roller in harmony with a take-up adhesive roll and has focussed
predominantly on the removal of particles from fl at surfaces moving through the converting process. However, at KSM we have developed the technology further and now can provide fl at sheets of the particle removal compound. The benefi t to converters is the potential to temporarily attach such a sheet to the web and let it run through the entire machine before launching production. In doing so, the sheet will contact all the rollers that the web will touch and remove any debris from the rollers and deliver a
clean run-through for the web. This process can be carried out periodically as required. Once the particle-removal sheet has passed through the machine, it can be removed from the web and simply cleaned using the adhesive roll. It is then ready for use again and as such has multiple uses. Expanding the implementation of particle- removal technology beyond solely cleaning the web can immediately deliver further productivity and fi nancial benefi ts to customers in a broad spectrum of converting.
36
July/August 2025
www.convertermag.com
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