We are awash in data. Yet, data relevant to our specific problem, such as needed for a full economic optimization of a specific variable (machine setting etc), may be hard to come by. Yet, in this clip I show you how you can at least know which direction to move with two (easy to obtain) numbers.
In the case of tension, it would be the approximate cost of high tension defects and the approximate cost of low tension defects. In the case of winding it would be the approximate cost of high tightness defects and the approximate cost of low tension defects. With dryers, it would be the cost of things that get worse at high and low temperature settings.
Since most web-handlers, from operators to process engineers, will usually know which troubles get worse at a high setting and which worse with a low setting, all you need to know is how many or how expensive each of the two are for a particular machine. Then you will know which direction to move for more profit. See how in the clip below.
Web201.56dYouTube clip link: