Board Converting News, August 25, 2025

Zumbiel Adds Unwind & Splice Technology For Its HP Digital Production Line BY DAN BRUNTON Hebron, Kentucky based Zumbiel, a leading independent folding carton converter, reported that it has chosen Martin Automatic‘s unwind and splice technology for its new HP digital production line. With a 180-year history and now under the fourth generation of fam- ily ownership and management, Zumbiel’s expertise in printed carton production is extensive. The company operates a 500,000-square-foot

• Only standard hand tools are required for all maintenance • Direct drive with no chains or sprockets • No tools for media change required » just zip it up » media change out in minutes • Filter is accessible for visual inspection during operation, Significant Advantages Over Conventional Dust Filtration Technology

facility in Hebron, KY, employing 380 people, and the facility has become a hub of excellence with its digital production line nearing the goal of achieving an 85 percent overall equipment efficiency (OEE) target. Traditionally, Zumbiel’s carton production relied on sheet-fed offset and wide-web flexo presses. However, in response to changing market demand, such as declining run lengths and an increasing need for short- run versions produced at a moment’s notice, the company made a stra- tegic decision to invest heavily in digital print technology. This decision led to the installation of an HP PageWide T470 six-co- lour drop-on-demand press, featuring web cleaning, priming, over print varnish, and downstream sheeting. To fully automate the line, Zumbiel turned to Martin Automatic for unwind and splicing technology capable of managing the large rolls of carton board used in producing various beverage packaging products. The HP press, which features a maximum web width of 42-inch (1066mm), is capable of production speeds up to 600 ft/min (180m/min). To support this high-speed operation, the Martin Automatic equipment includes the MCBWW unwind butt splicer. The splicer can handle web widths ranging from 22-inches to 46-inches (560 – 1170mm) and can pro- cess rolls of 12-24 pt carton board up to 84-inches (2130mm) in diameter, weighing up to 7,500 lbs (3,400kg), making it a robust solution for digital production. The system also incorporates a Martin inertia-compensated festoon system, a butt splice unit with two inline cantilevered unwind spindles, and an integral lift system for easy roll loading. The controls for these components are mounted directly on the equipment, enabling seamless automation of roll unwinding, splicing, and tension control. Bob Hoffman, Sales Manager, Martin Automatic, explains, “The machine CONTINUED ON PAGE 10 Bob Hoffman and Ed Zumbiel with the MCBWW unwind/splicer.

» no shutdown required • Filter media advantages - high dust collection efficiency

- low pressure loss due to constant deep cleaning of the filter media in minutes - long service life

• No pressure fluctuations within the system • No compressed air required to clean the filter media

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August 25, 2025

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