Consistent film tension is essential for maintaining uniform bag formation and reliable seals. When film tension fluctuates, it can cause wrinkling, misalignment, or uneven seams that impact both appearance and strength.
Unified Flex offers VFFS configurations equipped with servo-controlled pulling belts and film-unwind assemblies to maintain steady film tension during operation. These features, available on select models, help stabilize web tracking throughout the forming and sealing process, supporting smooth film movement and consistent seal placement across long production runs.
For manufacturers focused on precision and efficiency, Unified Flex provides VFFS options with advanced film-handling capabilities that enhance performance across a variety of packaging materials.