Case Study

Static Pinning Film On To A Cast Film Extrusion Chill Roller - 995 Claw

Static Pinning Film On To A Cast Film Extrusion Chill Roller - 995 Claw

Pages 2 Pages

Static Pinning Film On To A Cast Film Extrusion Chill Roller - 995 Claw Problem Cast plastic film exits from the die in a semi molten (and hot) state directly on to a chill roller. As the plastic cools on the roller, it shrinks in width – known as ‘Necking’. This is undesirable as it makes the finished film uneven and impairs quality. Previously, compressed air jets have been used to hold the edges of the plastic at the desired width. This is cos

Join for free to read