17
Narrow Graphics: Usually narrow graphics take less pressure to apply the image or
laminate correctly.
Checking Roller Parallelism:
C
ut two 2”x4” strips of paper or cardstock of the same thickness. Raise the upper roller and
insert the strips of pap
er between the upper and lower rollers about 2” from each end. Lower
the upper roller until it just contacts one of the strips of paper. There should be resistance
while pulling the paper out from between the roller, but it should not turn the roller. Check the
strip of paper on the other end of the roller and it should have the exact same resistance
while sliding it in and out of the roller. If the resistance is less on one side than the other, the
rollers should be paralleled. (See Appendix for detailed procedure.)
Adjusting Shaft Tensions on JM44 and JM54 Models:
Jet
Mounter
™
JM44 and JM54 models are equipped with a motorized
Take Up
shaft on the
front of the machine. This shaft winds up the release liner from mounting adhesive and
overlaminating film rolls during processing.
Also on these models, both the Take Up haft
and the Supply shaft are equipped with
Tension Control Knobs
. By adjusting these knobs
you control the speed of the shafts as they unwind or wind up material.
It is important to adjust these settings so that there is an even tension on the adhesive or film
during processing. The objective is to apply enough resistance on the film to keep it firm and
flat, but not so much as to stretch or distort it.
It is also critical to maintain even tension
settings on both sides of the film.
Turn the Tension Control Knobs clockwise to increase
roll tension and counter-clockwise to reduce tension.
Supply shaft tension:
When feeding adhesive or film into the rollers, the primary objective
is to maintain the feed at the same rate as the rollers pull the material through the Nip.
Take Up shaft tension:
The Release Liner should be pulled away from the adhesive at a
steady rate that allows it to “lift” at a point just before the material enters the Nip.