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Examples of Four Point System Inspection in Apparel Industry

4 Points System Fabric Inspection in Garment Industry
Jahanara Akter
Lecturer, Dept. of Fashion Design
KCC Women’s College (Affiliated by Khulna University)
Khulna, Bangladesh
Email: fashionelongation@gmail.com



Fabric Inspection System
The inspection are done to control the quality is means by examining the products without any instrument. To examine the fabric, sewing, button, thread, zipper, garments measurement and so on according to specification or desired standard is called inspection. There are a number of systems to inspect the fabric. For example, four points system, ten points system, and Graniteville system and so on. But there is no facility of identifying the shade, handle, and bias of fabric. Only Four points system is granted by AAMA (American Apparel Manufacturers Association) and AAQC (American Association of Quality Control) and that is why widely used for fabric inspection and described below:
Fabric inspection system
Fabric inspection system
4 Points System:
In this method, defected points are found out in 100 square yds. of fabric by inspection. The fabric must be rejected if the defected points are greater than 40.

Defects length for warp way and weft way
Points
Up to 3 inch
1
3” – 6 “
2
6” – 9”
3
Above 9”
4

Defects area for holes and openings
Points
1 “ or less than 1”
2
Above 1 “
4
 
Note:
It must be remembered that, defected point must not be more than 4 in each yard.


Example:
For 100 square yards inspection.

Effects length
No. of faults
No. of points
Up to 3 inch
10
10×1 = 10
3” – 6 “
5
5×2 = 10
6” – 9”
2
2×3 - 6
Above 9”
0
0×4 = 0


Total = 26

Points / 100 sq. yards,

           Total defected points           100                    36”
= ………………………………  ×  ………×………………………………
       Total fabric length (Yards)         1          Inspected fabric width

            26               100          36”
= ……………….×………….×…………
          120                1             48”

= 16.25 (ANS)

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1 comments:

  1. Thanks for this great post, i find it very interesting and very well thought out and put together. I look forward to reading your work in the future.
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