Improper scuff head selection. Corrective Action: Reduce RPM of scuff head & select a scuffing process that will allow for better heat dissipation, i.e. non-woven belt, sand blast, silicone carbide belt, unitized belt.
Tape Separation from Coated Abrasives
Check for inadequate scuff & evaluate scuffing station, in particular, depth of scuff, condition of scuff media, & angle of scuff head.
Excessive joint thickness. (Measure joint thickness & back scuff depth
Replace, redress or balance faulty contact wheel.
Adequate Back Scuff
2 Stage: 1st Abrasive Belt. 2nd Wire Wheel. or 1st Non-woven abrasive belt 2nd abrasive belt #80 Silca. or Wire Wheel and last but not least Sand Blast
