RJ
One question were do scum the most when running.On a Heidelberg any year except the XL
you want it to scum in the middle not the end. Bring you water down if it scum on the end open them up a bit with out hitting heavy water and bring down more keep doing this until you scum in the middle...
RJ
Thank you Stevo .My water temp for the damps are at 55-58 degrees and for the rollers 78-80 degrees . It helps to have management buy into ideas to help with the enviroment and over all cost .I always put a dollar value and if available a ROI this helps when they see Saving's.The filter...
RJ Litho
The sub you are using is it alkaless 3000 this is a prisco product and should not be dose past 3 oz per gallon lower dose will work better than more. More can break down ink. Not knowing your water conditions we run 3451U 3 OZ PER GALLON @ PH OF 4.2 .4.5 BUFFERED So the ph does not...
Hello all
I am looking for some feed back on personal preferences on which process you prefer run Straight UV INK OR HYBRID INK . I have run both and I am looking for what some input on pros and cons for each process . I have tested both product and have my own opinion that I will share after...
Vinegar and hot water .I also have avery good del glazer . I wash up with rollkeleen paste (can be left on over night )Then I use the deglaze and wash up with hot water followed by my wash solution . Rollers are left with that nice velvet feeling .We try to do this every one or two weeks ...
RJ Litho
One thing is to run with the bridge off .Especially light coverage .10% Alcohol is very high have you tried running alcohol sub in place of alcohol. Sounds like you may be emulsifying . There is no crown on the pan rollers on the sm 52 10% there most likely to much water going thought...
The ph is very low we presently we run alcohol free ph is around 4.2- 4.5 conductivity 3300 -3500 . We have a flowclear unit on two presses this unit filters the water tank and you would be amazed how clean the water is . The ROI on this unit is about six months.The filter cost $3000 per year ...
RJ Litho
Sound like a clutch You can reverence the characteristic curves for the coater to . This will let you set the roller speed to differerent profiles.Low Medium and High depending in viscosity of your coating .
RJ Litho
Be careful we you adjust these curves they are base on speed.The ink profiles will change as you speed up your press It can cause you some major color variation if not set right ..The Heidelberg set curve usually works very well. Last thing you want is to have to opposite shift...
Plant Manager
I am experiencing the same issue .I am running UV on FridayI will going to change the temperature on the oscillating chilling roller temp from 24c to 30c this has helped on our 73'' Rolland .We have only had our cd for 6 months .My next step will be to work with the etch and sub...