The simple task of a sewing machine is to hold two fabrics together and produce a stitch.
From the turnover side of the fabric, you will be able to see the seam allowances which are the leftover bits after the fabric has been stitched.
These seam allowances pose a problem sometimes after the fabric has been washed. The threads keep coming out from them, and the stitches may get loosened over a period of several washes.
The threads may even be seen from the outside, and the edges of the seam allowance might fray causing the fabric to fall apart. In case, you are troubled by such things you could use pinking shears to cut them. The zigzag cut prevents the threads from fraying out, and the stitches stay in place for long.
You can also use your general sewing machine to sew the seam allowances in a zigzag manner to prevent the loose threads from coming out. But neither of these methods is ideal and won’t help you for a long time. They may save your clothes from tearing off, but the threads still might fray at the edges leaving a bad mark.
In dealing with such problems, a serger is used. It does the function of “finishing” tool. They are also known as the overlock or merrow sewing machines. In these machines, the serger’s knife cuts a clean edge on the fabric and then its threads (can be 3, 4 or 5 threads) wrap around the seam allowances creating a perfect overlock stitch. This ensures that the threads won’t fray and the stitches look neat.
A serger sewing machine is completely different from the traditional sewing machine. Some points of the differences between them are below.
These machines can be used to do a lot of sewing jobs both professional and craft work. Some of these can include:
These help create an instant professional look as in professionally made garments.