How Does a Sewing Machine Bobbin Work?
Definition A bobbin is the thread holder that feeds the stitching underneath the fabric on a sewing machine. It can hold either the same color thread as the top stitch or a different color for fancy projects. The bobbin thread stitches will remain on the bottom side of the sewing fabric and are usually only seen when the item is turned inside-out. As the machine stitches from the top side, the bobbin thread underneath secures the stitches, creating an anchor for the thread. This keeps the stitch from coming out. Tight or loose tension for the top and bottom stitches are set on the machine. A low setting on the under stitching makes it easier for the top stitches to pull out, which is particularly useful when basting two pieces of fabric together. Types Bobbins can be made of plastic, metal or stainless steel and are usually about 1 inch in diameter. The width of the spool depends on the exact model of sewing machine, but usually runs 1/4 to 1/2 inch. There are also generic brands of bo