A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material, so that one or more layers of sewing material are interwoven or stitched together.
The sewing machine can sew cotton, linen, silk, wool, man-made fibers and other fabrics and leather, plastic, paper and other products. The stitches sewn are neat and beautiful, flat and firm, and the sewing speed is fast and easy to use. And use it to derive art forms such as hand embroidery and computer embroidery.
According to the purpose of the sewing machine, it can be divided into household sewing machine, industrial sewing machine and service industry sewing machine located between the two; according to the driving mode, it can be divided into hand crank, pedal and electric sewing machine; according to the stitches sewn can be divided into It is a sewing machine for imitating hand-stitching stitches, lock stitches, single-thread chain stitches, double-thread or multi-thread chain stitches, single-thread or multi-thread hemming chain stitches and multi-thread covering chain stitches.
In the early days, they were basically single-needle, hand-operated sewing machines. Later, electric-driven sewing machines were invented, which have become the mainstream in the market. Divided according to its mechanism and stitch form, it can be roughly classified into JA type, JB type, JG type, JH type. A kind of household sewing machine-JG household electronic multifunctional sewing machine.
Most of the industrial sewing machines are general-purpose sewing machines, including lockstitch sewing machines, chain stitching machines, quilting machines, overlock stitching machines, and interlock stitching machines, among which lockstitch sewing machines have the highest usage rate.
(1) Cleaning the feed dog: remove the screw between the needle plate and the feed dog, remove the cloth lint and dust, and add a small amount of sewing machine oil.
(2) The cleaning of the shuttle bed: The shuttle bed is the core of the sewing machine's work and the most prone to failure. Therefore, it is necessary to frequently remove dirt and add a small amount of sewing machine oil.
(3) Cleaning of other parts: The surface of the sewing machine and all parts in the panel should be cleaned frequently and kept clean.