What is the principle of flat knitting machine?

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  • By:Nepali B2b

The principle of a flat knitting machine is based on a system that utilizes needles to form loops of yarn, creating knitted fabrics. These machines operate on the fundamental knitting principle of interlocking loops to produce a continuous fabric. Here's an overview of the principle of a flat knitting machine:

1. Needle Beds: Flat knitting machines consist of two needle beds positioned horizontally opposite each other. The number of needles and their gauge (spacing) can vary depending on the machine's specifications.

2. Yarn Feeding: Yarn is fed into the machine through various yarn carriers or feeders. These feeders supply the yarn to the needles, allowing the knitting process to begin.

3. Needle Actions: Each needle on the machine has two primary actions: the knit action and the transfer action.

- Knit Action: During the knit action, the needle moves forward, allowing the old loop (previously formed) to pass through the new yarn, creating a new loop on the needle. This interlocking of loops forms the basic stitch in knitting.

- Transfer Action: During the transfer action, the needle moves laterally to transfer stitches from one needle bed to the other. This action is used to create different stitch patterns, textures, and designs.

4. Stitch Formation: As the needles move through their knit and transfer actions, they form rows of loops on the needle beds. The loops in each row interlock with the loops in the previous row, creating the knitted fabric.

5. Carriage Movement: The knitting carriage, which holds the needles, moves back and forth across the needle beds during the knitting process. It carries out the necessary actions (knit and transfer) to form the fabric.

6. Tension Control: Proper yarn tension is crucial in knitting to ensure consistent stitch size and fabric quality. Flat knitting machines have tensioners and mechanisms to control the yarn tension as it is fed to the needles.

7. Stitch Patterns and Designs: By programming the machine with specific carriage movements and needle actions, various stitch patterns and designs can be created, including plain knits, purl knits, ribs, jacquards, and more.

8. Finishing: Once the desired length of fabric is knitted, the fabric can be removed from the machine for further processing, such as cutting and sewing to create garments or other textile products.

Modern flat knitting machines often come equipped with advanced computerized controls, allowing for precise stitch control, complex designs, and automated operation. The principle remains the same across various types of flat knitting machines, but technological advancements have significantly increased their capabilities and efficiency in fabric production.

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