Dilwyn Jones
Predicting Web Tension when Faced with Wayward Roll Speeds and Temperatures Paid Members Public
Presented by Dilwyn Jones, Emral Ltd.
Web Material Properties: Easy Paths Through the Swamp (but beware of alligators!) Paid Members Public
Presented by Dilwyn Jones, Emral Ltd. The properties of webs are needed for diverse “web handling” activities such as machine specifications, design and upgrade, new and existing product development and manufacture, and troubleshooting breaks and defects – especially using formulae and models. Unfortunately, there is considerable variability hidden behind generic material
A New Look at the Lateral Dynamics of Wide Webs Paid Members Public
Presented by Dilwyn Jones, Emral Ltd Authors: Jerry Brown, Dilwyn Jones and Aravind Seshradi. Dilwyn will be the in-person, conference presenter. Abstract: Until quite recently, there have been no dynamic models that accurately predict lateral behavior for web spans with a length to width ratio (L/W) less than 2.
New Ideas on Web Troughs and Their Consequences Paid Members Public
Presented by Dilwyn Jones, Emral Ltd Troughs are gentle ripples in low and moderate thickness webs between rollers in many R2R machines. If they grow large enough, wrinkles, creases and folds can form on the next roller and cause product damage and waste. This paper outlines a new analysis of