A heavy duty automatic pattern sewing machine is a powerful tool that is used for industrial-grade stitching and hemming. This type of machine is ideal for sewing multiple layers of fabric, leather, and canvas, as well as for creating intricate designs on apparel, accessories, and upholstery. The advantage of a heavy duty automatic pattern sewing machine is its ability to quickly and accurately sew a variety of materials, as well as its strength and durability. It is also able to handle heavy materials and thicker threads with ease and precision. Additionally, it allows for a great deal of flexibility and customization, as it can be programmed to create a wide range of designs. The machine also features automated features such as tension control and needle positioning, allowing for quick and easy operation. Finally, its speed and accuracy make it an excellent choice for large-scale production.