The long arm double needle chain stitch is used across various sectors of the textile industry
. In apparel manufacturing, it is commonly employed for sewing seams on items that require flexibility, such as sportswear, jeans, and active garments. The stitch proves vital in providing a flat seam appearance while maintaining structural integrity, thus ensuring that the garments can withstand regular wear and tear.
long arm double needle chain stitchChoosing the right needle is also crucial. A larger, heavy-duty needle (usually a size 16 or 18) is recommended for piercing the dense fibers of heavy canvas. Furthermore, using a walking foot can enhance the feeding of the fabric, preventing slippage and ensuring smooth stitching. It's important to select appropriate thread; polyester or heavy-duty nylon threads are ideal choices that offer strength and durability.
sewing heavy canvas
One of the significant advantages of using PP bag stitching machines is the cost-effectiveness they offer. By automating the stitching process, companies can minimize labor costs and increase output, translating to higher profitability. Furthermore, the precision of these machines reduces the likelihood of defects, ensuring that the bags are securely closed and thus enhancing product safety.
The fundamental process of chain stitch sewing begins with a sewing machine capable of producing this specific stitch type. A chain stitch is formed when the needle threads the fabric while simultaneously creating a loop of thread that interlocks with the preceding stitch. The result is a series of chain-like stitches that are not only secure but also have a pleasant aesthetic finish. While a specialized chain stitch sewing machine can enhance efficiency and precision, traditional hand-sewing methods are also used, particularly in crafts and embroidery.