How Roller Shape Controls the Lateral Movement of Webs
Presented by Jerry Brown, Essex Systems
Last year, I talked about how shifting, or pivoting a roller produces lateral web motion.
This time I will discuss how nonuniform rollers (tapered, concave and convex) produce lateral movement.
Once again, we will see that it all comes down to the same thing we use to control longitudinal web tension – variation in the rate of mass flow between spans.
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