4 point system for detecting or calculating fabric faults

There need international standard quality inspection section in all knitting industry where the fabrics will be inspected by inspection m/c for detecting the faults and remark the fabric roll as grade A, B, C and R (Reject).

They are using 4 point system for detecting the fabric faults. There point and grade of fabric inspection are as below:
1. Up to 01 to 15 Point = “A” Class
2. Up to 16 to 20 Point = “B” Class
3. Up to 21 to 30 Point = “C” Class
4. More than  30 Point = “R” Class
(R=Reject)

N.B: Any Hole = 4 Point

Actual Grade Formula: Points*3302/Length (meter)*Width (inch)

Calculation Points/100 SQ. M = Total Points*39.37*100/Roll Length (m)*Actual Width (inch)

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