Packaging adhesive converters benefit from technologies that minimize downtime.
FREMONT, CA: Adhesive converters face new challenges as packaging needs evolve. Increasing consumer demand for user-friendly products like split liners and easy-to-remove liners has led converters to look for efficient ways to slit and rewind large rolls of tape and labels. Converting companies have access to various machinery solutions to meet these new requirements. Converters benefit from technologies that reduce downtime, whether manufacturing shipping labels, tamper-evident packages, or tapes for tagging and sealing boxes.
Depending on the application, a slitter rewinder can be integrated with the following time-saving technologies: dual-unwind configurations, automatic knife cleaning systems, automatic cut transfer systems, and automatic roll unloading systems. Solutions for reducing waste, enabling large roll production, and improving end-user experience are also available.
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Importance of label converters: It is becoming increasingly common for label converters to produce larger finished rolls on their slitter rewinders. While converters traditionally produced finished rolls between 5,000 and 10,000 feet, many now manufacture 15,000-, 20,000-, or 25,000-foot rolls with diameters up to 40 or 50 feet. As label converters grow, they also go faster, generating more output per hour. Rolls can also reach a width of 2 m. A tray unloading system can automatically remove large, heavy rolls of label stock from duplex center winders, saving further time at the rewind. With a forklift or overhead hoist, the rolls can be unloaded by lifting the trays to the completed rolls, stripping them from the rewind shaft, and transporting them away from the machine. The rewind section can also incorporate specialized features such as differential rewind shafts, and retractable shaft supports to reliably handle large, heavy rolls.
Repurposing: As label converters strive to achieve even greater efficiency, they're turning to salvage winders to rework narrow web rolls. With salvage rewinders, converters can reroll otherwise unshippable rolls. Additionally, slitting rewinding jobs can be repurposed since many jobs don't use the entire width of the master roll when producing finished rolls. Converters can unwind rolls with a web width of 42 inches and rewind new rolls of varying lengths and widths. The maximum diameter of new rolls is 50 inches.
Overcoming tape converter shortagesA tape converter, like a label converter, is responsible for cutting and rewinding large rolls of packaging material. Global events have pushed the expansion of e-commerce and restaurant delivery among its many impacts. This means more tape is being used to seal shipping boxes and secure food delivery packages. Tapes used in shipping include BOPP packaging tapes and water-activated tapes. Packaging tapes are often not only used to seal packages but are also used to brand them. They can be printed with their name or logo after slit and rewind. Narrow web printing uses large-diameter rolls, which reduces the frequency of downstream roll changes and saves time when using this secondary process.
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