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Demerit marks
  
Standard
  
Method by total score
  
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For cotton,Union,
spinning
  
Detail appearance
  Inspection > Method by total score

5. Inspection method by TOTAL score
1)
Apply 10 point system inspection standard.
 
a. Demerit mark point's applying range
¥°) 1 point : defect within 1" (2.5§¯)
¥±) 3 point : defect within 1" ~ 5" (2.5§¯ ~ 12.5§¯)
¥²) 5 point : excess 5" - within half width
¥³) 10 point : excess half width ~ entire width
 
b. At this method, it doesn't matter on the standard, warp threads' demerit point
make LOSS about demerit mark point.

    A grade : 0.7 point

    B grade : 0.71~0.8 point(LOSS 1yds)

    B grade : 0.81~0.9 point(LOSS 2yds)

    B grade : 0.91~1.0 point(LOSS 3yds)

    C grade : REJECT

    Ex ) If 58" x 50yds materials' total defects point is 35 point,
           35 / 50 yds = 0.7 point : A grade
 
2) 4 point system as follows
¥°) flaws up to 3" in length = 1 point
¥±) flaws up to 6" in length = 2 point
¥²) flaws up to 9" in length = 3 point

¥³) flaws over 9" in length = 4 point

 
a. All holes regardless of size will be penalized 4 points      
b. The average point value per shipment should not exceed 30 point
    100 square yaeds
c. The maximum number of 1 point faults per 100 square yards in 20,
    however the average number of 1point defects must be 14 or less per fabric delivery
d. 100 square yards standard point

    A grade : 25 point

    B grade : 25-28 point (loss)

    B grade : 28-30 point (loss)

    C grade : 30 point over (reject)

e. How to calculate points per 100 square yade

 
Actual Points Counter

Actual Roll Length
¡¿
36"

Actual Width
¡¿
100 = point/100 square yard
 
ex) 25/75*36/43*100=28 point (loss in)

 

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