Help with Plockmatic Cracking...

kdw75

Well-known member
Last month we got a new machine with a Plockmatic on the end of it. We are seeing cracking that we don't see on our Xerox Square Fold Trimmer. I have tried both the creasing widths available, is this the best Plockmatic will do or is something wrong?

Cracking.jpg
This is 100# Velvet Text.
 
Wow that's pretty bad. Grain direction correct?

Can you print and crease a sheet and not fold to see how it looks.

That literally looks like no crease at all.
 
We are creasing across the grain, NOT with it. Here is a picture of the bare crease on the wide setting.

Crease.jpg
 
I got it to improve a little bit by moving the crease position.
cracking 2.jpg


I guess the letterpress using matrix for creasing has spoiled me.
 

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