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A weaving machine is a device used to weave cloth and tapestry. The basic purpose of any loom is to hold the warp threads under tension to facilitate the interweaving of the weft threads. The precise shape of the loom and its mechanics may vary, but the basic function is the same. The early weaving machine were all looms driven by manpower. The shuttleless loom technology has been studied since the 19th century, and since 1970s many new shuttleless looms have been put into the market one after another. In textile industry, weaving machine nowadays plays an very important role in the weaving process.

Working Principle of the Weaving Machine

The basic feature of shuttleless weaving machine is the separation of the weft yarn package from the shuttle or the carrying of only a small amount of weft yarn. Replacing the large and heavy shuttle with a small and light weft inserter provides favorable conditions for high-speed weft insertion. In the supply of weft yarn, the bobbin package is directly used, and it enters the weft insertion mechanism through the weft storage device, so that the loom can get rid of the frequent weft replenishment.

The use of shuttleless weaving machine is of great significance for increasing fabric varieties, adjusting fabric structure, reducing fabric defects, improving fabric quality, reducing noise and improving working conditions. The speed of shuttleless looms is high, and the efficiency is usually 4-8 times higher than that of shuttle looms. Therefore, the application of shuttleless weaving machine in a large area can greatly improve labor productivity.

Types of Weaving Machine

Rapier Weaving Machine

Rapier weaving machines use rigid or flexible rapier heads and belts to hold and guide the weft. In addition to being suitable for weaving plain and textured fabrics, rapier looms are characterized by easy color changing, suitable for multi-color weft fabrics, and are suitable for the production of yarn-dyed, double-layer fleece fabrics, terry fabrics and decorative fabrics.

Air Jet Weaving Machine

Air-jet weaving machines use compressed air jets to pull the weft yarns and bring them through the shed. The biggest feature of air-jet weaving machines is fast speed and high labor productivity. They are suitable for the production of plain and textured fabrics, fine and extra high-density fabrics and fabrics in large batches.

Water Jet Weaving Machine

The water jet weaving machines use water as the weft insertion medium to generate frictional traction on the weft yarn with the jet water flow, so that the weft yarn on the fixed bobbin is introduced into the shed. The water jet weaving machines have the characteristics of high speed and high unit output, and is mainly suitable for the production of hydrophobic filament chemical fiber fabrics with smooth surface.

Projectile Weaving Machine

Projectile weaving machines hold the weft with a small gripper and project the weft insertion. The projectile weaving machine has the advantages of stable weft insertion, excellent fabric quality, and few weft threads. It is suitable for the production of multi-color weft fabrics, fine, thick and dense fabrics and wide fabrics.

the Composition of the Loom

1. Opening: According to the fabric structure, the warp yarns are separated up and down to form a shed for weft insertion.

2. Weft insertion: the weft yarn is introduced into the shed.

3. Beating-up: push the weft yarn introduced into the shed to the weaving mouth to form a fabric.

4. Coiling: The woven fabric is drawn away from the fabric forming area and rolled into a certain package.

5. Let-off: supply the warp according to the needs of interlacing, and make the warp have a certain tension.

6. Frame, starting, braking and transmission.

7. Protection device: prevent weaving defects and operate safely.

8. Automatic weft filling device: After the weft yarn is used up, it will automatically fill the weft.

9. Multi-color weft feeding device: alternately supply different weft yarns for interweaving without stopping.

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