Portland, ME-based Schlumpf, a provider of materials-handling solutions, will now operate under the Double E Group name, officially aligning with its parent company. For Schlumpf, long a member of the Double E family, this rebranding represents a natural evolution, reinforcing Double E Group’s strategic commitment to integrated operations and a strengthened market presence to … [Read more...] about Schlumpf joins Double E Group in name, solidifying long-standing partnership
Web Handling
Alignment for process owners: Part 3: How is alignment done?
By Joe Kotwis, P.Eng., co-founder, Webineering, LLC The job of a web-handling machine is relatively straightforward: Deliver the web from Point A to Point B at the specified quality, width and speed. Persistent web-equipment difficulties frequently center around issues with Rollers, Alignment and Tension (RAT). At this firm, we spend a lot of time preventing RAT infestations … [Read more...] about Alignment for process owners: Part 3: How is alignment done?
Researchers study quality assurance through thin-film-based measurement of web-tension distribution
For the production and processing of flexible plastic and fiber-based webs, a homogeneous web-tension distribution is crucial for quality. However, new low-complexity, natural fiber-based or recycled materials in particular exhibit more fluctuating properties and narrower process windows than established materials. Flatness deviations, wrinkles, inclusions or processing-induced … [Read more...] about Researchers study quality assurance through thin-film-based measurement of web-tension distribution
A basic guide to web guiding
By David R. Roisum, Ph.D., principal, Finishing Technologies, Inc. Introduction Your web’s path may not be where you want it. One remedy is to find and correct the original source of the path upset. This might be as simple as moving the unwinding roll over sideways a bit. More often, it is not quite that easy. Another remedy is to change the path of the web using an … [Read more...] about A basic guide to web guiding
Benefits and challenges of designing and using accumulators in various web-handling operations
By Neal Michal, principal, Converting Expert LLC Accumulators benefit many web processes. Zero-speed splicers offer a 99.99% success rate. Accumulators smooth out processes that are required to index. They provide time for a winder operator to start a new roll. Benefits come with challenges. If the accumulator is poorly designed, maintained or controlled, various … [Read more...] about Benefits and challenges of designing and using accumulators in various web-handling operations