Nylon zipper Installation method: ① first prepared nylon zipper and the need to install the zipper fabric; ② will need to install the zipper where the use of 1.5 cm wide seam first split it again, and then split the seam split. If you do not need to give the entire seam are fitted with zippers, then the zipper is not equipped with this section of the sewing need to use a fine pitch, and the beginning and end of the position must use the inverted pin fixed; ③ the nylon zipper face down and seam center alignment, use the hand stitch it and sewn seam fixed; ④ the fabric turned to the front, sewing machine with zipper seam on the side of the unilateral presser foot, the presser foot down the right hand of the needle from the nylon zipper opening on the right side to 0.7 cm of the seam in the fabric pressure a Ming line; ⑤ When the completion of the side of the stitching, ready to sew the other side, look at the bottom of the zipper bag iron position, if you can avoid it, you can directly turn 90 degrees, so that the needle across the zipper to the other side of the beginning to start sewing . Turn should be to let the needle in the lowest position, and then lift the presser foot, turn and then press down the foot to continue sewing. When sewing to the top of the zipper teeth, do not step on the electric motor, but by hand turn the sewing machine wheel, so that the needle carefully across the nylon zipper teeth, so you can avoid broken needle; ⑥ If the bracelet is just in the turning position, then you only have to press the foot to the left of the needle, starting from the opening to the left of a bright line. Be careful not to forget the needle at the beginning and end of the line. Finally, remove the sparse line on the fabric; ⑦ skilled people for the car law, you can not first spit, but for the novice, the production process more steps are necessary, although a little trouble, but it can guarantee satisfactory results. |