WEB & SHEET STUDIES IN COATING/LAMINATING

Effective web tension control is in large part accomplished through the right equipment, Ruenzel insists. A.C. vector drives are now a must. Brakes on the unwinds should not be used because the web tends to stretch in order to overcome the inertia of the non-driven roll. An air dancer is also vital to adjust for any changes or slackness in the web.