Slitting & Rewinding
Making
Slitting Safe U
niversal Converting Equipment has been manufacturing the high productivity Universal X8 for several years. Through the use of extensive automation, it is outperforming other slitting machines, including automated slitting machines with turret rewinds. Although everybody wants high output machines, the Universal X8 is also extremely safe.
Below are a number of common slitter safety issues and how they have been resolved at source by design and automation.
• KNIFE CUTS Both rotary shear knives and razor blades
can cause nasty cuts. These cuts can occur when threading the machine or adjusting/changing blades. The Universal X8 has automatic positioning of both shear knives and razor blades. When threading the machine, all the knife units can be automatically moved to the side of the machine and repositioned once the machine is threaded. Both the shear knife holders and razor holders can be removed by loosening a single bolt. The holder can be lifted off the machine and the blade safely changed on a bench. In addition, the razor blade is on a sliding mechanism, allowing the blade to be retracted to a
safe position when not in use. In addition, on completion of a set of rolls the slit tails are clamped and automatically cross cut removing the need for the operator to use a knife to cut the material.
• DIFFICULTY THREADING THE MACHINE
Many machines have long web paths resulting in the operator having to reach a long way into the machine to thread it. Sometimes a second person is required to assist. This problem is made worse on the machines with a turret rewind system, as the outboard winding shafts make access
22 March 2024
www.convertermag.com
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