Explanation of special names for sewing machines

1. Lockstitch sewing machine

Lockstitch sewing machine, also known as lock sewing machine, in addition to the upper thread, the bottom thread is mainly realized by the high-speed rotating shuttle, which forms a stitch on the sewing material, which is called lock stitch. A machine for interlacing or stitching together one or more layers of sewing material. It is usually divided into two purposes: thin material and thick material. Lockstitch sewing machine can sew cotton, linen, silk, wool, rayon and other fabrics and leather, plastic, paper and other products. Thin material is generally used for knitting, underwear, shirts, Uniforms, etc. Thick materials are generally used for all kinds of sportswear, jeans, fashion, coats, shoes and hats, leather, luggage, etc. Lockstitch sewing machines are the most basic type of sewing equipment, and are the easiest in sewing. The stitches are neat and beautiful, the stitches are uniform, flat and firm, the sewing speed is fast, the operation is simple, and the use is simple and easy to understand. The maximum sewing speed is 4000-5000rpm.

Lockstitch machine is the most important type of industrial sewing machine. It can be divided into single needle lockstitch machine and double needle lockstitch machine according to the number of needles.

2. Overlock sewing machine

The overlock sewing machine is also called a sidecar, a yarder, and a bone car. It is generally divided into three lines, four lines, and five lines. The main function is generally to prevent the seam of the garment from fluffing. The overlock sewing machine can not only be used for hemming, but also can be used for sewing T-shirts, sportswear, underwear, knitting and other fabrics. Overlock machine cutting and sewing can be carried out at the same time, the stitches are like mesh, and it is also suitable for elastic fabrics.

Overlock stitches can be divided into single, double, three, four, five and so on.

1). Single-thread overlock is a single-needle one-thread stitch, which is mainly used to sew the edge of the blanket;

2). Double-thread overlock is a single-needle double-thread stitch, which is mainly used to sew parts with high elasticity, such as the bottom edge of a stretch shirt;

3). The three-thread overlock is a single-needle three-thread stitch, which is a common stitch for ordinary knitted garments, especially the stitching of some low-grade garments;

4). The four-thread overlock is a double-needle four-thread stitch. Compared with the three-thread overlock, one needle thread is added, and the strength is improved. It is used for sewing parts of higher-grade garments or is stretched more, and the friction is stronger. Parts such as shoulders and sleeves, especially the sewing of outerwear;

5). Five-thread overlock is a double-needle five-thread stitch, which further improves the stitch fastness and production efficiency, and has better elasticity than four-thread overlock. It is often used in the sewing of outerwear and underwear.

3. Interlock sewing machine

Interlock sewing machine is also called coverstitch sewing machine. it uses of needles and loopers to make the shuttle thread form a single-sided covered chain stitch on the bottom of the sewing material, or add a covering thread on the front of the sewing material to form a double-sided covered chain stitch. Industrial sewing machines for sewing layers or layers of material. The covering line on the front of it mainly plays the role of aesthetic decoration. The interlock sewing machine has great elasticity due to the covering chain stitches sewn, which can be stretched when the garment is worn and recovered after being worn, so it is suitable for sewing knitted garments that are worn close to the body, such as undershirts, underwear, cotton sweaters Pants, sportswear, bras, pantyhose, etc. It is also commonly used in the sewing of certain knitted garments such as jeans.

4. Blindstitch sewing machine

The blind sewing machine is also known as the edge sewing machine. A special sewing machine that forms inconspicuous stitches in the sewing material. It is specially used for the lapels, collars, cuffs, hem, villages, trousers, etc. of suits. According to the stitch type, it can be divided into single-thread chain stitch, double-thread chain stitch and double-thread lock stitch.

5. Button sewing machine

The button tacking machine is a special automatic sewing machine, which can complete the sewing of regular-shaped buttons and the operation of "nail and drop" sewing process, such as tacking trademarks, labels, caps, etc.

The most commonly used staples are disc-shaped two-hole or four-hole (also known as flat button) buttons. Through the replacement of various special buttoning machine accessories, a buttoning machine can stitch various buttons such as handle buckles, metal buttons, mother-in-law buttons, foot-binding buttons, and wind discipline buttons. Users can request equipment suppliers according to their needs. Special accessories for the buttoning machine are available.

Quickly adapt to a variety of sewing requirements, corresponding to changes in sewing, can be changed from 4 holes to 2 holes through simple operations. It is also possible to switch between "=" and "X" with a simple joystick. Easy operation, power saving, high efficiency, low noise and long life.

6. Button hole sewing machine

The buttonhole machine is mainly used for processing buttonholes in various types of clothing. It is a very important special equipment in clothing machinery. It include lockstitch button hole machine and eyelet button hole machine.

The eyelet buttonhole machine is an industrial sewing machine specially used for sewing buttonholes of medium and heavy material garments. The so-called "round head" means that the front end of the buttonhole of the seam lock is round. It is characterized by beautiful buttonhole shape, uniform and strong stitches.

Buttonhole machines generally use swing needle bar, double looper, double fork needle hook thread, double thread overlock compound chain stitch. The elastic presser foot structure of the buttonhole machine automatically adapts to the clamping of different fabric thicknesses. The operator can sew buttonholes of various shapes and sizes simply by exchanging the two cams. This facilitates the operation and leaves the required length of upper thread for the proper seam start, ensuring the buttonhole is sewn. The machine can perform cut-before-sew and seam-before-cut turns very quickly.

7. Bartack sewing machine

Bar tacker sewing machines, also called date carts and knotters, are usually used to reinforce stitches.

Generally suitable for clothing, knitting, sweaters, suits, denim and other manufacturers, the bar tacking machine plays the role of sewing the reinforcement of the stressed parts of the clothing, the reinforcement of the round head button hole seam tail, and the sewing of the top circle of the umbrella. After the buttons are bound in the production process, it is necessary to manually wrap several threads of sewing thread behind the button neck to reinforce the firmness of the buttons. The bar tacking machine can automatically operate this process, shorten the working time, improve production efficiency and reduce the production intensity of workers. , saving manpower. With technological innovation, electronic bar tacking machines have also emerged as the times require. With the addition of low-tension sewing technology and thread cutting mechanism, the guarantee of stable quality is widely recognized by manufacturers. The following are used in the production line. More brands and models of tacking machines;

Juki LK-1900ASS series electronic bar tacking machine has a maximum speed of 3000rpm, which can be started or stopped quickly; within the sewing range of 30mm in length * 40mm in width, it can correspond to a variety of bar tack shapes; it adopts flexible tension and is controlled by operation The disc can set the tension of the upper thread to correspond to various sewing conditions, and this data can be stored and reused; it solves the problem of oil stains on sewn products.

Brother KE-430D electronic bar tacking machine has a maximum sewing speed of up to 3200rpm; it can perform high-quality sewing according to the sewing data; it is used for the sewing of ordinary cloth, denim, knitted clothes, and women's underwear; 89 sewing patterns have been set (Standard). The maximum number of needles is 210,000 needles, the maximum sewing speed is 3200RPM, thread trimming and thread sweeping, and thread clamping device are standard devices.

8. Chainstitch sewing machine

Chain stitch is a type of stitching were one continuous thread is looped back on itself, meaning there is no bobbin thread. Chain stitches are stretchier than lock stitches, which is why you find them in places such as the waistband and leg seams of jeans.

9. Programmable pattern sewer machine

Programmable pattern sewer machine, also named CNC pattern sewer machine or programmable electronic pattern sewing machine, Programmable pattern sewing machine. Enables patterns programming on the touch control panel and storing them in memory - up to 999 patterns or 500.000 ., Most popular type Juki AMS series, Brother BAS series and Mistubishi PLK series

10. Automatic pocket welting machine

Controlled by computer, it is equipped with automatic monitoring system, feeding system and automatic sewing machine, which can automatically complete certain sewing processes, such as sewing according to the set trajectory, needle stop, thread trimming, etc.

For example, the automatic bag opener is a sewing equipment that can automatically complete the process of cutting the bag mouth, sewing the bag mouth and bag cover.

Machine sample: JUKI APW-896N

11. Basting sewing machine

By the needle and thread through the movement of the machine and manual control of the sewing material, the stitches of any required needle pitch length are formed. In the sewing industry, it is a special sewing machine specially used for temporary positioning and initial sewing of two-layer sewing materials.

12. Decorative stitching machine

A sewing machine that creates stitches that are exactly the same as hand-sewn stitches by the movement of the needle and thread through the machine. Used exclusively for decorative sewing in the sewing industry.