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Why are alignment and tension control so important in slitti

2018-07-30 15:25      点击:

As mentioned above, tension control and alignment are critical in two areas: finished roll build quality and edge quality. However, proper tension and alignment control also impact a third, important area: the speed at which material can be run. Speed can be a major efficiency factor as finished roll length increases. Modern, well built, well controlled slitters should be able to run most all materials at 2,500 to 2,800 fpm. That can make a huge throughput difference on longer rolls. For example, a 20,000 foot finished roll running at only 1,500 fpm would take roughly 14 minutes to run. The same roll at 2,500 fpm would take approximately 8.5 minutes to run (accel and decel curves a variable). That is a savings of more than 5 minutes a set, every set, every shift, every day. Even at shorter roll lengths the gains of speed must not be ignored.