WHQuiz Answer #3 - Dancer Roller Advantages

WebHandlersQuiz 3: Tension Control – Name one advantage of using a dancer roller has over a tension load cell roller in a closed-loop tension control system?

The dancer will accumulate and dispense web when the input web speed differs from the output web speed for a limited amount of time. In this regard, a dancer roller can be a mechanical system that forgives electrical and controls problems.

A tension load cell roller has almost no ability to accumulate or dispense web.

More on this topic was covered in this archived Web Lines column: Dancer Rollers: Trust But Verify Nov. 2006

If you missed it, here are all 20 questions in my Web Handler's Quiz


Subscribe to PFFC's EClips Newsletter