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 2: When should alignment be done and how precisely?
Web Handling
Image-based speed and length measurement method for roll-to-roll manufacturing
By Takayuki Uozumi, optical engineer, Canon, Inc. In roll-to-roll (R2R) manufacturing, accurate control of web speed is important for coating & laminating processes, and length management is critical for cutting processes. To measure speed and length, rotary encoders, which rely on physical contact with the surface of the products, are widely used in roll-to-roll … [Read more...] about Image-based speed and length measurement method for roll-to-roll manufacturing
Alignment for process owners: Part 1: Why alignment?
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 1: Why alignment?
Best practices for conducting tests specific to web handling
From the Web Handling Committee of the Association for Roll-to-Roll Converters (ARC) Editor’s Note: This article is based on the introduction to the work-in-progress “Web-Handling Test Best Practices” document being finalized by the ARC committee. It ultimately will include sections on web-material properties, rollers, tension, nipped rollers, wrinkles, spreaders, guiding, … [Read more...] about Best practices for conducting tests specific to web handling
New legislation opens opportunities to scale-up the manufacturing of battery-separator materials
By Jay Baxter, commercial product dir.-Liquid Coating, Davis-Standard With the implementation of the Bipartisan Infrastructure Law and the Inflation Reduction Act, there are tremendous resources and incentives that will influence growth of battery and hydrogen-fuel manufacturing in the United States. In addition to grants to install new production in the US, there are … [Read more...] about New legislation opens opportunities to scale-up the manufacturing of battery-separator materials