How to make women's underwear? Interpretation of the production process of women's underwear

1. Material selection. Because underwear is in direct contact with the skin, it is necessary to select materials appropriately, usually from the presence or absence of harmful ingredients, moisture absorption, antistatic properties, skin touch, dye fastness to perspiration and washing fastness (color fastness), fabric Think about flexibility, strength, etc. Because natural fibers are superior to chemical fibers in terms of moisture absorption, skin touch, and antistatic properties. At the same time, because knitted fabrics are superior to woven fabrics in terms of elasticity, underwear fabrics are mostly knitted fabrics of natural fibers. In order to increase the elasticity of the fabric, usually Use high-elastic cloth lined with spandex.

2. Sticky cloth. Sticky cloth is to stick the cloth and sponge together with adhesive. The surface of the cloth after sticking must be smooth, and the adhesive and solvent harmful to the human body cannot be used in the process of sticking the cloth, such as the adhesive rich in formaldehyde and acetone, otherwise , These ingredients remaining in the clothing will affect the health of the human body.

3. It is cutting. It is usually typeset first and then cut. Pay attention to the texture of the cloth during typesetting and arrange it reasonably according to its function. If the texture direction of the orbiting piece is different, the elasticity of the orbiting back piece of the product will be different, and the elasticity of the two ends will be different when it is worn; the size of the cloth will also be different during the sewing process, which affects the appearance.

4. In connection with the middle bowl, fix the two outer bowl cloths with a single-needle lock stitch flat car according to the arc, usually with a seam allowance of 0.5cm, stitched in series. For the middle bowl cover thread, pull out the sewn cloth pieces in a string with a special presser foot, and then fix them with a double-needle lock sewing machine. This process requires that the tension of the double-needle upper thread and the lower thread is moderate and should not affect the appearance.

5. Sponge connection, stitch the sponge piece with a single-needle four-point bending sewing machine, and fix the sponge with cloth strips on both sides. The connection between the sponge sheet and the sheet must be tight, and the operator should sew along the arc of the sponge sheet when sewing. And the tension of the upper thread and the bottom thread should be the same, and the tension should be moderate. Otherwise, the appearance of the sewn sponge bowl is poor.

6. Connect the inner and outer bowls, fix the sponge inner bowl and the floral cloth outer bowl with a single-needle lockstitch sewing machine. It is necessary to align the middle stitches of the inner and outer bowls, otherwise it will deform the bowl and affect its beauty. On the spine, cut half of the spine and use a three-thread overlock sewing machine to overwrite the edges. The lace is connected with the upper spine, and the spine is fixed with the lace with a single-needle herringbone lock stitch sewing machine. The straight edges of the lace must be aligned at the sewing bowl. The spine is only fixed on the lace. Sewing in the arc, as close as possible Lace edges.

7. Connect the upper spine center to the bowl, use a single needle lockstitch machine to connect the lace to the bowl cloth, do not sew on the lace, overlap the bowl portion 0.5cm on the spine center piece, and sew on the overlapping seam base , The head and tail are equal, and the seam is flat without wrinkling.

8. Fix the lace and the bowl cloth and sew on the top of the outside. The lace belt should be tightly wrapped around the front and back, and the seam should not be wrinkled.

9. At the base seam, fix the pattern of the spine center with a single needle lockstitch sewing machine, with a seam allowance of 0.4cm, and need to be aligned up and down.

10. Base sewing cover thread, use double needle lock machine and special presser foot to pull out and align the cloth pieces sewn on the upper side, and add cloth strips.

11. For spine-center connection, fix the spine-center surface and inner sheets with a single-needle lockstitch sewing machine, without wrinkling, with a seam allowance of 0.4cm.

12. Connect the lower spine center with the bowl, fix the spine center cloth piece and the bowl cloth with a double-needle lockstitch sewing machine, and add cloth strips underneath. Fold the spine cloth 0.6cm, turn the center and fold the cloth strips, align them, and sew them to the bowl with double needles.

13. Top hem, fold the shoulder strap head with the mark, use a two-needle interlock sewing machine, add fabric strips to wrap the front and back tightly, and the seam should not be wrinkled. The shoulder strap head needs to be sewn out 1cm., During the sewing process, use the hand to check the sewn upper hem, and the thread cannot be broken. Otherwise, during the course of taking, such as strenuous exercise or sneezing, the suture may break.

14. The spine center is connected with the bowl and spine center, using a single needle lockstitch sewing machine, the seam allowance is 0.6cm, and the upper and lower sides need to be aligned.

15. Orbit the sewing cover thread, the seam allowance is outward, the margin is 0.1cm, use the double needle lockstitch machine, fold up the back seam, add cloth strips to reinforce and decorate, and add film as needed. Its taking function.

16. Add elastic bands on the hem, the first overlap 0.6cm, the second *side seam, the two lines should grab 10cm length with both hands during the sewing process, and pull it to the limit of the cloth, and the thread should not be broken. , Otherwise it will affect the wearing and taking.

17. Overlock the shoulder strap head, insert the buckle loop, fold the shoulder strap head, and fix it with a single-needle bending sewing machine. The back strap, tightly sewn on the edge of the belt, the needle can not be sewn to the back sheet, the upper end of the needle is retracted, and the width of the hook is adjusted according to the size of the hook.

18. Large hooks, two rows of hooks on the right, pierced into the logo in the center, 0.1cm inside and near the edge, slightly wrapped around the outside, and the back piece should be inserted as much as possible, but it is not outstanding to avoid affecting the appearance. Use a single-needle bending sewing machine, and then cut after the string is sewn. Check one large hook for each hook, and be careful not to cut.

19. Small hooks, two rows of hooks on the left, the inner side is near the side, the outer side is slightly wrapped over the back sheet, the back sheet is inserted into the small hook as much as possible, and the single-needle bending sewing machine is used, and then cut after the string is sewn. .

20. Overlock with large and thin hooks, use a single-needle bending sewing machine, and then cut after the string is sewn. The overlock stitch should be lubricated and flat, and the joint between the upper thread and the bottom thread should be in the middle of the side. Nail flowers and cards are nailed in the designated position as requested. Inspect the packaging as requested.