Plate washing techniques – what’s the difference between new and old?

on Aug 27, 2015 in How-To Tips

Last month we talked about how a log book and tag team approach benefits your preventive maintenance program.  This month, we want to share modern practices for maintaining photopolymer plates. Old-fashioned, common cleaning practices for plate cleaning include manually cleaning photopolymer plates.  Shop rags and fibrous towels along with soft nylon or other brushes are often used with different chemistries to scrub plates clean.  Drying time, stacking plates before/after cleaning and other...

How often, you ask, should the anilox rolls be cleaned?

on Jan 29, 2015 in How-To Tips

In a perfect world, immediately! The majority of inks and coatings are formulated to resist moisture, chemical, rub, scuff . .. you get the idea. The longer an ink or coating has been allowed to dry in the cells, the more difficult the cleaning process. Also, plugged, dirty rolls create surface tension which prevent cells from accepting and releasing the proper ink volume. Good: Clean rolls on a routine maintenance schedule – once a week or once every 7 to 10 days. Better: Clean rolls...

How can you incorporate your cleaning and inspection processes?

on Jan 28, 2015 in How-To Tips

Last month we talked about modern practices for maintaining photopolymer plates.  Today, we are  focused on how the cleaning process can be part of your inspection process. By now you are aware that plugged anilox cells create conditions that reduce the effective volume of the cells, increase surface tension and result in inconsistent print, unnecessary downtime and waste. And that’s why your cleaning process is critical.  But, how do you know if the cleaning process you have invested in,...

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