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Many times when I see bowed rolls and other spreader rolls not performing properly; it's due to the fact that they are no longer turning freely, at the same speed as the web. Sometimes I have even seen where spreader rolls no longer turn at all.
Bowed rolls, expanding surface rolls, concave rolls and nip type spreader rolls rely heavily on the web being in traction with their face. If you use these types of spreader rolls, make sure they turn with the web. If they do not, consider they may need maintenance (a new rubber surface or new bearings) or consider driving the rollers if necessary.
Properly turning spreader rolls ensure optimum wrinkle removal and slit separation.
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THE AUTHOR ASSUMES NO LIABILITY CONNECTED WITH THE USE OF THIS INFORMATION OR THE RESULTS OBTAINED FROM IT.
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What is Web Handling?
Web Handling is the science, engineering and equipment necessary to successfully transport a continuous flexible material through various processes without defect. Enhancing Web Handling with proper equipment will ensure materials are processed at their maximum efficiency, allowing the process to generate maximum profits.
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