Quality Assurance System
A quality assurance system ensures the quality of the product. Furthermore, customers want to get quality and quantities of products from the producer in every stage of production in modern times. For this reason, it needs to deliver quality products to the buyer. To be ensuring about the quality of the product, a quality control department is working on this simultaneously. Hence, the quality control division is responsible to ensure the quality of the product as the requirement of the buyer.
In the knitting section, a quality assurance division is involved to check the quality of the knit fabric before dyeing. After collecting fabric rolls from different machines, these fabrics need to inspect thoroughly by the quality inspectors to assure the required quality before dyeing. Quality assurance of knitted grey fabric is described here.
Some Points are Needed to Maintain For High-Quality Knit Fabric:
During production, different points are needed to consider. Here are some of them-
- Firstly, brought good quality yarn.
- Secondly, machines are oiled and greased accordingly.
- Thirdly, to control G.S.M, Stitch length, and Tensions accurately.
- After that, machines are cleaned every shift, and servicing is done after a month.
- Lastly, grey Fabrics are checked by 4 point grading system.
List of Equipment for Quality Control:
To ensure the quality of the knit products, the following instruments are required. They are-
- Inspection machine.
- Electronic balance
- GSM cutter.
- Measuring tape.
- Indication sticker.
Quality Assurance Procedure in Knitting Division:
On the knitting floor; the body, rib, collar, and cuff are produced. The quality of these products is measured in the following way. They are-
Body and Rib Inspection:
After production of single jersey or double jersey knit fabric, it sends to the quality checking table. All rolls are kept in front of the inspection machine from time to time and are inspected over the inspection m/c visually at a pre-set speed against the light. Any major or minor faults like thick-thin, barre mark, fall out, contamination, fly, holes, oil lines, needle line, slubs, etc are recorded in the inspection report to classify the fabric based on the four-point system.
Collar and Cuff Inspection:
This type of product is produced in a flatbed knitting machine. The collar and cuff are inspected visually under the lightbox, any major or minor fault in the collar and cuff like having the wrong ply, hole, needle line, slubs, wrong design, first-round problem, etc properly counted and recorded.
After completing the inspection, the quality of the product is measured in a four-point system. If the product passes the quality it sends for dyeing if not it sends to the store as a rejected fabric.
So, we should be care full about the faults of knitted fabric.