More rigid “fingers” prevent the film from wrapping around the pinch rollers to reduce dog ears and missed cuts. Larger diameter pinch rollers increase tread life. Increased vacuum in the film bed through the belts as well as increased vacuum points in the belts also improve performance and reliability. The addition of an inline servo knife allows the systems to cut at any speed, rather than the limited speed ranges permitted by the older wrap spring clutch style. These new features allow for a wide variety of product range capabilities.
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