At its core, the double needle lockstitch machine operates on a simple yet effective mechanism. It uses two needles and a single bobbin to create two parallel rows of stitching simultaneously. This unique setup allows for greater flexibility in sewing, enabling manufacturers to work with thicker fabrics and achieve more intricate designs. The lockstitch system, characterized by its tight and secure stitches, is particularly favored for its durability, making it an ideal choice for high-stress applications like denim or upholstery.

The Versatility of Compound Feed Heavy Duty Sewing Machines

4. Feed System

The single needle bag closer sewing machine stands out for its simplicity and reliability. It is specifically designed to sew bags made from various materials, including burlap, jute, polypropylene, and other woven fabrics. With its single needle configuration, this machine is adept at providing a tight and consistent stitch, which is imperative for maintaining the integrity of packaged goods.

The applications of heavy-duty hand stitching machines extend across several industries. In fashion and apparel, they are used for creating robust clothing items such as jackets and denim. In the upholstery sector, they are essential for crafting durable furniture covers and fittings. Leather goods manufacturers rely heavily on these machines for producing belts, bags, and wallets, where strength and aesthetics are both vital.

Cold rolled carbon steel sheet
(JIS* SPCC)