4B1 CD shift from misalignment web or roller - TJWalker + Associates, Inc.

Case 1:

Web-Roller Misalignment

4B2 CD on roller diameter variations - TJWalker + Associates, Inc.

Case 2:

Roller Diameter Variations

4B3 CD shift uneven nipping - TJWalker + Associates, Inc.

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 - TJWalker + Associates, Inc.

Case 4:

Uneven Frictional Contact

4B5 uneven peeling - TJWalker + Associates, Inc.

Case 5:

Peeling Variations

4B6 web CD shift from camber - TJWalker + Associates, Inc.

Case 6:

Cambered or Asymmetric Baggy Webs

4B7 CD shift on thickness profile - TJWalker + Associates, Inc.

Case 7:

Thickness Profile