Case Study
Paper drop-off and edge wrinkling
Case study: Paper drop-off and edge wrinkling Case Study: Paper drop-off and edge wrinkling Paper drop-off and edge wrinkling due to speed differences Problem: In order to ensure a defined web guidance on a board machine the paper web should stick to the Pick-up felt after the first nip. In this particular case, the paper web dropped off while hanging loosely below the felt and causing edge wrinkling at the same time which l