4736Re: Stock question - Heidelberg Windmill
- Oct 3, 2005The key to running heavy stock on the Heidelberg windmill is that it
be flexible enough to bend as it leaves the sucker bar as it is held
in the gripper bar.
Ifr the board will not flex, it will either be pulled out of the
grippers or will get "beat up" as it spins around the arc to the
If the sheet is fairly small, one might be able to run without
difficulty, but if it is full width and length, you will experience
Heidelberg made a special feeder bar which allowed the suckers to
get further out of the way in order to print on stiff materials.
There are examples of the use of this special sucker bar in their
publication Hints for the Pressman.
I'd suggest giving it a try before committing to a job.
If you have a handfed press, or a Kluge, you will have no problem
feeding this heavy stock.
I tried to help a fellow get a larger windmill up and running for
printing coasters, and we ran into this difficulty. Prior to that
experience, I guess I had never attempted such heavy material.
John G. Henry
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