Reap What You Sow
Invest in the proper cores, shafts, and chucks, and enjoy the benefits of smoother, more efficient print runs.
August 2007 by Missy Smith
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It is a common business model that what you invest in plays a big role in what you get back. So, what can package printers do to improve productivity? One option is to invest in the right cores, shafts, and chucks for your print runs.
“The persistent trend that we see with our customers is their desire to increase machine throughput, reduce waste, and improve ergonomics. They find that properly specified machine components can help them achieve all three,” says Bret Hardy, marketing manager, Double E Company. “Double E takes advantage of this trend in many ways. For example, we offer lightweight carbon fiber lug shafts that can carry heavier and/or wider rolls at higher critical speeds. We also recently debuted a new lightweight strip shaft that reduces weight by [more than] 20 percent without diminishing load capacity. The shafts perform at a higher level while improving worker safety.”
Aware that printers need to maximize uptime and use equipment that accommodates a wider variety of materials. “By simplifying their designs, and using common parts, Convertech has developed a line of shafts which maximizes uptime and can be repaired with common hand tools,” says Larry Taitel, Convertech, Inc. “In addition to their ease-of-use, Convertech shafts also feature QuickChange air bladder cartridges which can reduce repair time to as little as 10 minutes.”
Another trend with cores, shafts, and chucks is the shift toward shaftless center-wind technology from shafted center-wind technology, according to Bob Banks, Boschert. “In order to achieve higher line speeds, safety chuck manufacturers try to find ways to improve the concentricity of the safety chuck unit and at the same time allow effective torque transmission and a smoother run,” he explains. “To address this, Boschert GmbH innovated the square/round seat geometry for safety chucks and roll shaft journals. This patented feature is identified by Boschert as the VT-7 style seat geometry. It is available to retrofit on any Boschert VT Style Safety Chuck.”
Because digital printing brings short runs into the package-printing industry, converters should be aware of how cores, shafts, and chucks fit into this growing market. “Digital printing is characterized by shorter runs. Shorter runs increase the need for quick changeover,” says Sean Craig, winding product manager, Tidland. “To facilitate the need for faster changeover, integrating shafts and chucks that are lightweight (i.e., easier to handle) and easy to maintain into digital printing processes will reduce the time needed for setup between runs and routine maintenance.”
“The persistent trend that we see with our customers is their desire to increase machine throughput, reduce waste, and improve ergonomics. They find that properly specified machine components can help them achieve all three,” says Bret Hardy, marketing manager, Double E Company. “Double E takes advantage of this trend in many ways. For example, we offer lightweight carbon fiber lug shafts that can carry heavier and/or wider rolls at higher critical speeds. We also recently debuted a new lightweight strip shaft that reduces weight by [more than] 20 percent without diminishing load capacity. The shafts perform at a higher level while improving worker safety.”
Aware that printers need to maximize uptime and use equipment that accommodates a wider variety of materials. “By simplifying their designs, and using common parts, Convertech has developed a line of shafts which maximizes uptime and can be repaired with common hand tools,” says Larry Taitel, Convertech, Inc. “In addition to their ease-of-use, Convertech shafts also feature QuickChange air bladder cartridges which can reduce repair time to as little as 10 minutes.”
Another trend with cores, shafts, and chucks is the shift toward shaftless center-wind technology from shafted center-wind technology, according to Bob Banks, Boschert. “In order to achieve higher line speeds, safety chuck manufacturers try to find ways to improve the concentricity of the safety chuck unit and at the same time allow effective torque transmission and a smoother run,” he explains. “To address this, Boschert GmbH innovated the square/round seat geometry for safety chucks and roll shaft journals. This patented feature is identified by Boschert as the VT-7 style seat geometry. It is available to retrofit on any Boschert VT Style Safety Chuck.”
Because digital printing brings short runs into the package-printing industry, converters should be aware of how cores, shafts, and chucks fit into this growing market. “Digital printing is characterized by shorter runs. Shorter runs increase the need for quick changeover,” says Sean Craig, winding product manager, Tidland. “To facilitate the need for faster changeover, integrating shafts and chucks that are lightweight (i.e., easier to handle) and easy to maintain into digital printing processes will reduce the time needed for setup between runs and routine maintenance.”
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