I.          Stains

a.      Product surface stains larger than 1 mm in size;

b.      Stain type: black spots, insects, dark glue, dark oil and etc.

II.       Pad core detection 

a.    Missing, corner folded, skew, insufficient

b.    Position deviation; corner folded

III.      Frontal tape detection

a.   Missing, corner folded

b.   Position deviation >10mm

c.   Single-piece width deviation >±5mm 

IV.     Side tape detection

a.   Missing, corner folded

b.   Position deviation >5mm

c.   Single-piece width deviation >±2mm 

d.  Tapes open

V.       Elastic waist band detection

a.   Missing

b.   Position deviation >10mm

c.   Ends broken >10mm; single-piece width deviation >±10mm

         Stains & Frontal tape detection                              Stains & Side tape detection               

                         
 
          Elastic waist band detection                                Black splicing tape detection