Lock stitch machines operate through a series of mechanical processes. When the machine is activated, the needle moves up and down to create stitches. The needle's downward motion pushes the top thread through the fabric, while a rotating hook grabs the bobbin thread. As the needle rises, the hook pulls the bobbin thread back, creating the lock stitch.

One of the key advantages of a long arm heavy duty sewing machine is its extended arm. This feature allows you to work on larger projects such as quilts, curtains, and upholstery with ease. The extra space gives you more room to maneuver the fabric and makes it easier to sew straight and even seams. This is particularly useful when working on bulky or intricate designs that require precision and accuracy.

3. Multiple Stitch Options A double needle machine generally offers various stitch options, from basic straight stitches to more decorative alternatives. This flexibility enables sewists to experiment with different styles and finishes.

A. When the thickness of the plating is 3-4 mm, the zinc adhesion should be less than 460g/m, that is, the average thickness of the zinc layer is not less than 65 microns.

Welding mesh is also known as external wall insulation wire mesh, galvanized wire mesh, galvanized welding mesh, wire mesh, row welding mesh, touch welding mesh, construction mesh, external wall insulation mesh, decorative mesh, barbed wire, square eye mesh, screen mesh, anti-crack mesh. Stainless steel welding net, is made of high quality stainless steel wire row welding, more acid resistance, alkali resistance, solid welding, beautiful, wide use and so on.