It's all about DFM (Design For Manufacturability), for it does no good to design a product the customer loves and is economical to produce IF, you can’t wind it.
In this second clip in a series, we talk about the web-web COF that may be controlled by the coater and coating. If the COF is too low, we may not be able to wind (without telescoping). If the COF is too high, we may not be able to wind (without out-of-round rolls and vibration). The link below explains all.
Web201.58bYouTube clip link: