4B1 CD shift from misalignment web or roller

Case 1:

Web-Roller Misalignment

4B2 CD on roller diameter variations

Case 2:

Roller Diameter Variations

4B3 CD shift uneven nipping

Case 3:

Uneven Nipping

Other Asymmetries

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

4B4 cd shift from friction contact

Case 4:

Uneven Frictional Contact

4B5 uneven peeling

Case 5:

Peeling Variations

4B6 web CD shift from camber

Case 6:

Cambered or Asymmetric Baggy Webs

4B7 CD shift on thickness profile

Case 7:

Thickness Profile