Printing rollers gone cracky after 1 year

Viktorija
on 2 Oct 11 (09:22)
Updated 2 Oct 11 (09:23)

Hi nice letterpress people,

I have BIG problem with Heidelberg rollers. I bought 2 rollers 1 year ago. I had cleaned them with cleaners recommended by Heidelberg for every day cleaning- Ronabal E (odorless kerosine based cleaner) and DynaClean (something similar to Citric Wash). After 1 year those 2 printing rollers become cracky meanwhile original distribution roller is ok.
I have attached an image to view cracks on roller surface (bigger picture you can see here http://cl.ly/3J0G0T3E2p460n44102b). So maybe somebody had such problem and knows how to solve it to avoid such damages of rollers in future?

Thanks in advance
All the best
Viktorija

Printing_rollers_problem.jpg

cmcgarr
on 2 Oct 11 (21:46)

What kind of cleaner do you use on your rollers for wash up?

Casey
iLP

mikefrommontana
on 2 Oct 11 (21:55)

Also pertinent is how many washups in a day—1? 10? Washups are the hardest test a roller has to endure. I’ve known offset rollers needing replacement in a year, but that’s a lot of hard running.

Sounds like the press wash is suspect, and Heidelberg’s recommendation too.

Viktorija
on 4 Oct 11 (02:08)

Printing rollers I clean 2-4 times a day. And use 2 different cleaners everytime - Ronabal E and DynaClean.

Jpk2525
on 6 Oct 11 (16:01)

Where did you get the rollers? Do you know what they are made of? Do you know what the original distribution roller is made of?