Case 1:

Web-Roller Misalignment

Case 2:

Roller Diameter Variations

Case 3:

Uneven Nipping

Other Asymmetries

Nearly any asymmetry of the web or equipment will create minor or major CD errors.

Case 4:

Uneven Frictional Contact

Case 5:

Peeling Variations

Case 6:

Cambered or Asymmetric Baggy Webs

Case 7:

Thickness Profile