What is 4 point system of fabric inspection?
The 4-Point System assigns 1, 2, 3 and 4 penalty points according to the size, quality, and significance of the defect. No more than 4 penalty points is assigned for any single flaw. A defect can be measured either length or width direction; the system remains the same. Only major errors are considered.
How do you use the 4 point system in fabric inspection?
In 4 point system fabric quality is evaluated by unit points/100 sq. yds. Normally fabric roll containing 40 points per 100 square yard are acceptable. Example: A fabric roll 120 yards long and 46 inch wide contains following defects.
What is 4 point and 10 point system?
10-point inspection is one of the methods to analyze the fabric quality same as 4-point inspection. 10 Point Fabric Inspection System. The process is similar to 4-point inspection- In 10-point inspection, the only length of the fault and point varies. Penalty points are assigned according to size of defects.
How many types of fabric inspection are there?
Types of inspection system The various fabric inspection systems used in the garments industry are given here: Four-point system Ten-point system Graniteville “78” system Dallas system.
How do I make a fabric inspection?
Fabric inspection is done in suitable and safe environment with enough ventilation and proper lighting. Fabric passing through the inspection frame must be between 45 – 60 degree angles to inspector and must be done on appropriate Cool White light above viewing area. Back light can be used as and when needed.
What is GREY fabric inspection?
Grey fabric inspection is the process of identifying weaving faults in the fabric just after the grey fabric production in the loom.
Which is 4-point system in quality control?
Defect Classification: The 4-Point System assigns 1, 2, 3 and 4 penalty points according to the size, quality, and significance of the defect. No more than 4 penalty points is assigned for any single flaw. A defect can be measured either length or width direction; the system remains the same.
What is the fabric inspection system?
Fabric Inspection is systematic observation of fabrics to decide whether it meets: Client’s specification in terms of count/construction, color, design, measurement specifications, hand/feel and other specific quality parameters laid down by the clients.
What are the fabric defects?
- Horizontal lines. This fabric defect is defined by irregular lines that run from side to side.
- Shade variation.
- Dirt/stains.
- Uneven dyeing/printing/dye marks.
- Drop stitches.
- Misprinting, off printing or absence of printing.
- Crease marks.
- Barre.
What is fabric inspection procedure?
How are 4 points used in fabric inspection?
Generally, 4-Point System is an agreed upon system by the customer & inspection is carried out on a fabric inspection machine.4-points inspection method identify different types of fabric fault. After read this article we can easily understand the 4-points inspection system.
Which is the best system for fabric inspection?
There are different systems for fabric inspection, such as 4 Point System, 10 Point System, 2.5 Point System, Grantville System etc. but in the above mentioned systems, or in any other systems, there are no arrangements until recently, for considering of the shade, bias, handling etc., of fabrics.
How are points calculated in a 4 point inspection?
4 Point inspection procedure for fabrics, criteria for giving penalty points for fabric defects and calculation method of total points in an inspected fabric roll is explained in this article. (If don’t know basics of 4 point inspection system, I would suggest you read that article first.)
How many points per yard in 4 point system?
Calculation of total points per yards In 4 point system fabric quality is evaluated by unit points/100 sq. yds. Points / 100 sq. yd. = (Total points in roll * 36 * 100)/ (Fabric length in yards * Fabric width in inches) Normally fabric roll containing 40 points per 100 square yard are acceptable.
How is the 4 point inspection system used?
4 point inspection system is the most widely used system for fabric inspection methods. This system is used in weaving after fabric making and in garment industries in the fabric department. Objective behind 4 point inspection in both the cases is to analyze fabric quality.
What do you need to know about 4 point fabric inspection?
A sample 4 point system fabric inspection format has been attached at the bottom. Fabric checker should know common defects found in fabrics and he must recognize defects on the fabric at the time of fabric inspection. A detailed list of fabric defects has been posted earlier. Open the link to read the post for your reference.
There are different systems for fabric inspection, such as 4 Point System, 10 Point System, 2.5 Point System, Grantville System etc. but in the above mentioned systems, or in any other systems, there are no arrangements until recently, for considering of the shade, bias, handling etc., of fabrics.
How are defects recorded in a fabric inspection?
Use tally marking for recording of number of defects. A sample 4 point system fabric inspection format has been attached at the bottom. Fabric checker should know common defects found in fabrics and he must recognize defects on the fabric at the time of fabric inspection. Some fabric defects are given below:
