American standard inspection and width calculation of gray fabric 1)Test each piece of cloth at least three times. 2)If the width cannot meet the processing requirements, it will be considered u...
1)Test each piece of cloth at least three times.
2)If the width cannot meet the processing requirements, it will be considered unqualified.
3)Full width: the distance between two cloth edges.
4)Effective width: remove selvage, Width of pinhole and non-printed parts
Gray fabric defect scoring standards:
Fabric defects are scored on a “four-point scale”
1. Scoring method
The defect is3 inches or below 1 point
Defects exceeding3 inches to6inch comment2 points
Defects exceeding6 inches to9inch comment3 points
Defects exceeding9inch comment4 points
2, continuity defects, each 1Code meter4 points:
3, larger defects (holes, etc.) regardless of size, each 1 code meter4 points;
4, rungs, middle edge color, wrong color, insufficient width, wrinkles, poor finishing, etc. , when occurring continuously, each 1code
Measurement4 points.
1, each piece of cloth: (commonly used)
Total number of ratings×36×100 Rating
=number of yards × effective width (inches) 100 square yards
2, each order: (whole batch of cloth)
Total score per yard×36×100 Rating
=Total number of yards × effective range 100 square yards
Each piece of cloth
1Group 15 points/100square yard
2Group 20 points/100square yard
3Group 25 points/100square yard
4group 40 points/100square yard
5group 60 points/100Square yard
The current common standard is to use 2 group, 3 group, 4-5 group is not used
Continuity defects
1, continuous and regular defects,1Coder4 points
2, continuity3codes or above will be treated as substandard products.
Full defects
3. The following defects are not allowed in qualified products:
A．Length exceeds6 inch full width defect.
B．Small full-width defects, 100 exceeds 5.
C． With 100code units, each 10Severe defects in the code average2 or more.
D． Cloth head, cloth tail3 There are serious defects within the code or defects throughout the entire page.
E. Lay flatYou can see the edge crepe, Pre-shrunk, corrugated, creased, wrinkled and other defective fabrics.
4. Color:Color separation and multi-acceptance3LOT color, each LOT color code number is 500codes and above, each LOT Color difference between colors according to AATCCgrey cardLevel 4-5.
5. The color difference between the middle edge and the head and tail of each piece of cloth cannot be less than 4-5level.
6. During factory inspection, 6 inch pieces, numbered and left to the guest.
7, guestWhen QC comes to inspect the goods, if the color is not straight (Level 4-5 or below), the item is unqualified
8.Code length difference:Check that the difference between the actual length and the card label exceeds1%, the piece of cloth is unqualified.
9. Paragraph length:Code length requirement40code or above. span>
10. Latitude and arc:If it exceeds the following standards, it will be deemed unqualified(Note: When there are partial weft tilts on the entire frame, the score will be based on the part. The weft tilts are not applicable4 points standard, but should be recorded).
22.Break:More than two yarns are broken (any holes, regardless of size, must be evaluated4 points).
12.Density:In full inspection, check less3 places, ±5%, otherwise it will be deemed unqualified, although it does not apply to 4 points are standard, but must be recorded.
13.Gram weight:During the full inspection process, check less3 places (with temperature and humidity requirements), ±5%, otherwise it will be rated as unqualified. Although the four-point standard is not applicable, it must be recorded.
1, no special requirements, approximately 100code, no more than 150 points.
2, no special requirements, should be rolled, use paper tube and cannot be damaged during transportation.
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