06.20.06
Three Roll Mill Set Up
In response to a question from a customer in Europe, I am sharing how I do the initial set up for three roll mills.
Different people have different ways of setting up three roll mills. Here is my experience and worked for me.
During the initial set up, first separate the discharge rollers by 2-3 mm, then adjust the gap of feeding rollers to about 0.050mm to 0.075mm. Then put a little paint on the rolls (about 2 cm wide) and check if the paint is running smoothly without moving to either end. Adjust the roller gap on one side if needed. Until the paint stays on the roller in one place for about 1-2 minutes, then start setting up the discharge rollers. Stop the machine and set the gap of discharge rollers to about 0.025mm – 0.075mm, then start the machine with a little paint on the feeding rollers (again no wider than 2 cm). The paint should go straight through the rollers. If needed, adjust the gap of discharge rollers on one side if needed. Generally speaking, if the gap on one side is closer than the other, the paint will move towards the smaller gap side. If the rollers are perfectly parallel, the paint should go straight.
What is your experience?
