What is quality control? Describe quality control in the knitted fabric.

Quality control

The process by which entities review the quality of all factors involved in a production is called quality control. ISO 9000 is a part of quality control that focuses on meeting quality requirements.

Quality control



Quality control emphasizes three aspects, such as-

a. Elements such as control, job management, defined and well-managed processes, performance and integrity criteria, and record identification.

b. Competence, such as knowledge, skills, experience, and qualifications

c. Soft elements, Such as staff, integrity, confidence, organizational culture, motivation, team attitude, and quality relationships.


Inspection is the main component of quality control, where a physical product is examined visually. Product inspectors will provide a list and description of unacceptable product defects such as cracks or surface stains for example.

Quality control in the knitted fabric


1. The main contribution of quality control is saving time and money. If any error occurs, the knitting machine must be stopped to correct the error, which reduces the time, and is uniform in the overall production process.

2. Loop density is the most important factor in defining the quality of the knitted fabric and it is directly related to the fabric presence, field weight per unit, dimensional stability, fabric weight, tensile factor, drape, and many other factors.

3. Quality control in the knitting process are two main causes of inconsistency that lead to fabric defects are raw material management before the knitting process and variation in parameters during the knitting process.

4. The selection of yarn with a proper yarn count is important in determining the knitted fabric quality since only the correct yarn count gives optimal knitting performance for a specific machine gauge and structure.

5.  An elastic yarn is easier to knit and results in fewer knitting faults such as drop stitches, holes, and bad selvages.

6. This refers to the irregularity and non-consistency of the yarn, which directly affects the quality and weaving performance of the woven fabric.

7. Quality control during the knitting process, and precision in the settings of the knitting machine during the whole knitting process is important to produce a fruitless knitted fabric.

8. By carefully controlling the knitting tension, the variations in loop length can be minimized and the quality of knitted fabric improved.

9. The length of yarn in one stitch is another important factor that permanently affects the quality of a knitted fabric.


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