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Use bowed rolls to separate slit widths.

As far as I know, bowed rolls are really the only thing available to evenly separate slit widths effectively. Bowed rolls are available in both adjustable and non-adjustable versions. Even though the initial cost of adjustable bowed rolls is higher than there fixed bow counterparts, it is always better to use adjustable bowed rolls to separate slit widths. Adjustable bowed rolls allow you to adjust the amount of bow so you will be able to set the proper amount of slit separation.

Keep in mind, almost all of the spreading action takes place in the entry span (unsupported web distance) to the bowed roll. So, the longer the entry span, the more slit separation you will have.

Always include at least one straight idler roller after the slit, prior to the bowed roll. Placing a bowed roll directly after a slitting head, without an idler separating the bowed roll from the slitting station may cause your material tare instead of allowing the proper cut of the slitting method. This will result in pore slit quality.






**DISCLAIMER - A great deal of time has been invested in the development of our weekly tech tips. To the best of our knowledge, they are accurate. It is up to the user to verify all results.

THE AUTHOR ASSUMES NO LIABILITY CONNECTED WITH THE USE OF THIS INFORMATION OR THE RESULTS OBTAINED FROM IT.



Converter Accessory Corporation
201 Alpha Road
P.O. Box 188
Wind Gap PA 18091-0188

Phone (800) 433-2413 or (610) 863-6008
Fax (800) 709-1007 or (610) 863-7818

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