There is sewing machine skills training in prison. In prison, you can really learn labor skills, but it is rare to really step on sewing machines again. There is no difference between sewing machines in prison and those used in daily life. /kloc-introduced the first sewing machine from America in 0/890, and produced the first household sewing machine and 44- 13 industrial sewing machine in Shanghai in 0/928.
Sewing machine is a machine that uses one or more sewing threads to form one or more stitches on sewing materials, so that one or more layers of sewing materials are interwoven or sewn together. The sewing machine can sew cotton, linen, silk, wool, man-made fiber and other fabrics and leather, plastic, paper and other products. The sewn stitches are neat, beautiful, flat and firm, with fast sewing speed and simple use, and can be used for push embroidery.
Types of sewing machines
According to the use of sewing machines, they can be divided into household sewing machines, industrial sewing machines and service sewing machines located between them; According to the driving mode, it can be divided into manual sewing machine, pedal sewing machine and electric sewing machine. According to sewing stitches, it can be divided into hand-imitating stitch, lock stitch, single-line chain stitch, double-line or multi-line chain stitch, single-line or multi-line chain stitch and multi-line chain stitch sewing machine.
household sewing machines
In the early days, it was basically a single-needle manual sewing machine, and later, an electric sewing machine was invented, which has always become the mainstream of the market. According to its mechanism and suture form, it can be roughly divided into JA type, JB type, JG type and JH type. A household sewing machine-JG household electronic multifunctional sewing machine.
Industrial sewing machine
Most industrial sewing machines belong to general sewing machines, including flat sewing machine, chain sewing machine, quilting machine, sewing machine and flat sewing machine, among which flat sewing machine has the highest utilization rate.