The operation method of learning flat lathe is as follows:

1. The stitch density of buttonhole is 4-8 stitches per buttonhole. ?

2. The buttons and eyelets are in the correct position. ?

3. Do not use conspicuously colored pencils when positioning.

4. The buttons must not be off-line. ?

5. The entry and exit of each button must be aligned. ?

6. Nailing buttons must be operated according to process requirements.

7. (Velvet products) The stitch density of flat turning is 2CM, not less than 10 stitches. (Knitted fabric products) The stitch density is 2CM, not less than 11 stitches.

8. Use a flat car to make bags. The two bags should be symmetrical, the corners of the bags should not be hairy, the seams should be straight, and the seams on the inner and outer layers should be even.

9. The strands of the door towel should be straight and the seams should be pressed evenly.

10. The upper and lower ends of the collar should not be too long or too short, and the top and bottom ends of the collar should be even. ?

11. Make sure the label is centered, straight, and cannot fall off. ?

12. It is necessary to operate according to the sewing regulations of process size, and the flat seam allowance should not exceed 0.8CM.

13. The top zipper stop should be straight, and the seams on both sides should be aligned and not high or low.

1. A sewing machine, also called a tailoring machine or a sewing machine, uses one or more sewing threads to form one or more stitches on the sewing material to sew one or more layers. Machines for interweaving or sewing together materials. It consists of four parts: machine head, machine base, transmission and accessories. The sewing machine was invented during the first industrial revolution with the main purpose of reducing the workload of hand sewing in garment factories. In China in the late 1950s, sewing machines became one of the so-called four major items.

2. The sewing machine can sew cotton, linen, silk, wool, man-made fiber and other fabrics as well as leather, plastic, paper and other products. The stitches sewn are neat, beautiful, flat and firm, and the sewing speed is fast and easy to use. Easy.

3. History: After the Industrial Revolution in the mid-18th century, the large-scale production of the textile industry promoted the invention and development of sewing machines. In 1790, British carpenter Thomas Sutter first invented the world's first single-thread chain stitch hand-operated sewing machine for making holes first, then threading, and sewing leather shoes.