after inspection of fabric based on 4 point system how to calculate the % of fabric pass or fail
Kniited goods are usually measured by roll weight rather than their length . Points/100sq yds>> ( GSM x 0.082 x total points of that roll ) / roll weight in kgs
Because it is a point that is used in the decimal system of counting. Decimal means based on ten.
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It is called a POINT!
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after inspection of fabric based on 4 point system how to calculate the % of fabric pass or fail
Basic difference between American and Japanese 4 point system is points per difects. Japanese 4 point system was introduced earlier and this system contains some soft atitude for the seller. American 4 point system was introduced after the Japanese system and it is more strict than any other inspection system.
what is 10 point system in fabric inspectionIf you want to produce high quality garments, you need high quality piece goods. When a sewing factory receives fabric from the mill, it is difficult to conduct a full 100% inspection of the fabric. '''Apparel Search recommends a minimum 10% inspection of all piece goods prior to spreading the fabric. Many factories attempt to inspect the fabric during the spreading, but this is probably unrealistic to depend on the spreader to control the fabric quality evaluation. The fabric should be inspected prior to the fabric reaching the cutting tables. ''' There are several piece good inspection systems for measuring the quality of fabrics. Their is a Ten-Point System, which was developed in the 1950's. That system assigns penalty points to each defect, depending on the length of the defect. The system is a bit complicated because the points per length vary for warp and filling defects. There is also a Dallas System published in the 1970's. That system was developed specifically for knits. According to this system, if any defect was found on a finished garment the garment would then be termed a second. In regard to fabric, this system defines a second as "more then one defect per ten linear yards, calculated to the nearest ten yards." For example, one piece 60 yards long would be allowed to have six defects. Another system for evaluating piece goods is the Four-Point System. In this system, you should inspect at least 10 percent of the total rolls in the shipment. Make sure to select at least one roll or each color way. The defect classification works as follows.Size of Defect:3 inches or less = 1 point penaltyOver 3 inches but not over 6 inches = 2 point penaltyOver 6 inches but not over 9 inches = 3 point penaltyOver 9 inches = 4 point penaltyNote: a maximum of 4 points should be charged to one linear yard. Also, note that only "major" defects are charged.The acceptable score varies. Many companies use 40 points per 100 yards as acceptable defect rate. However, others may find this not acceptable...Here is some math to show you an example.Total Yardage received: 5400Acceptance Point-count: 40 per 100 yardsTotal Yards Inspected : 540Total penalty points found in the sample inspection: 150 points150 divided by 540 times 100 = 27.77 points per 100 yards (because the allowance is 40 points per 100 yards, this shipment would be acceptable).Above are only a few examples of fabric testing procedures. In fact, above is only a short summary of the processes. If you are responsible for inspecting fabric, you really will need to do more research on this subject
Kniited goods are usually measured by roll weight rather than their length . Points/100sq yds>> ( GSM x 0.082 x total points of that roll ) / roll weight in kgs
http://www.autotechpros.net/23Point.pdfthat shows what a 23 point inspection is
The pivot point of a lever system is called the fulcrum.
Restore point
The snapshot is called a restore point.
The point on a pulley where it pivots is called the axle or the shaft. It serves as the point of rotation for the pulley system.
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point