Sewing machine is also known as disc sewing machine, commonly known as sewing machine. It is used to sew sweater seams.
1、 Varieties of sewing machine
1. The bent needle sewing machine is now sold in the market. It also uses the bent needle sewing machine. The varieties specifications of the bent needle sewing machine are cheap, the use protection are simple, the production efficiency is high, it is widely loved by customers;
2. It is a straight needle sewing disc machine, which is characterized by changing the traditional connecting rod structure of the disc sewing machine in the past, using cam method to drive each part, the whole machine is easy to deform. The straight big needle has strong penetration, is suitable for sewing with thick materials, is easy to wear break fabrics. The variety specification of the sewing machine are higher than that of the bent needle;
3. It is a full-automatic sewing machine full-automatic sewing machine. Now it is supplied by HEMA brand made in Korea conti company in Italy. These sewing machines are of high standard, quick sweater sewing machine with stable structure low failure rate. However, the varieties specifications of the sewing machine are high, with a small number of tens of thousands per set, which can be implemented in China;
4、 It is a straight sewing machine. This kind of sewing machine is still good for straight sewing. The upper collar can solve the problem. It has the same function as the above automatic sewing machine.
2、 Specifications of sewing machine
The cardigan is sleeved on the sewing machine. The machine number of the sewing machine should match the machine number of the cardigan knitting machine. When selecting the machine number of the sewing machine, please refer to the following table.
In the process of seaming, the horizontal stitching consumption is 2-3 rows, the vertical stitching consumption is 1-2 stitches. When sewing wool sweater, a 28 × 2tex-31 × 2tex worsted yarn of the same color is often used as the suture; when sewing chemical fiber products, the raw material of clothing is often used as the suture. There shall be no skew of needle pattern needle overlap during mouth inserting. Here it is used to close the shoulder install the sleeve. The elongation of the shoulder seam shall be greater than 110%, that of the hanging shoulder seam shall be greater than 130%.