- March 16, 2012, Timothy J. Walker
WebHandlersQuiz 12: Web Tracking – In a vertical span, which will cause the web to track off center more, a roller tram or level error?
Webs track the most from misalignment in the plane of the entering web; therefore, in a vertical span, the level error will cause more tracking than a tram error.
More on this topic was covered in this archived Web Lines column:
Going with the Parallel Flow August 2003
If you missed it, here are all 20 questions in my Web Handler's Quiz.