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Carding machine uneven compression method

Author:Xinjinlong Machinery-Fabric Recycling Machine Manufacturer

The uneven compression of the shuttle blank of the carding machine means that the length fork of the shuttle blank is compressed along the cross section of the shuttle blank at the same time, that is, the compression degree of different parts of the shuttle blank is different. Grinder A spinning machine that turns fiber strands into rovings. The main function is to draft and twist, and to wind the roving into a certain package to meet the processing requirements of the spinning frame.

Carding machines are used to process cotton fibers and chemical fibers and belong to textile machinery. According to the spinning process, carding is an important process. The front process of the carding machine is the opening and cleaning machine, and the latter process is the drawing frame (carding process) or the sliver coiler (combing process).

During the spinning process of the spinning frame, the semi-finished roving or sliver is drafted, twisted, and wound into a spinning machine. The combed sliver and the needle-carding machine combine the sliver, the needle row is drafted to improve the sliver structure, and the roving is further spun into spun yarn on the ring spinning frame, which is the main spinning machine. The Soviet Union used this method to suppress the blanks of the space shuttle, as shown in Figure 5-3. When compressed, about 20-25% is compressed in the middle of the shuttle and about 50-55% in the nose of the shuttle.

According to the results of the 6 tests, the average volume of the unevenly compressed shuttle at the head of the g blank and the weight of each part are 1.20 g/cm and 1.01 g/cm, respectively. Streamlines start at 0.85 g/cm. 1. The first concave-convex compression treatment of the card is 10% to 12% of the water content of steaming in a bobbin blank oven, steaming at 95 ~ 100 ℃ for 30 minutes.

The shuttle is then shifted in the prototype die of the heat press, which is compressed immediately. Then the oven temperature was placed in the billet heating furnace with shuttle at 140~150 °C for 1 hour. Finally, the shuttle moves the blanks in that pipe.

2. The characteristics of the unevenly compressed water shuttle of the carding machine include: It is said that the use of unevenly compressing the shuttle blank to manufacture the shuttle has the following main advantages: (1) High-strength pick-up card. During blank pressing using a non-uniformly compressed spool, since the head of the blank bends the wood fibers, the texture of the adult is vast, and the split resistance is improved, but the blank head and shear strength are improved. In addition, in the heart of the impact by the figurines shuttle, it also improves the compressive strength of the stripes.

(2) The metal shuttle tip is fixed firmly. Due to the turbulent collar pattern on the blank head, there is no friction along the grain between the metal shuttle tip spring and the wood enterprise, but a friction with a certain development angle in China. As a result, the friction force between the two is increased, and the metal shuttle tip is fixed on the firm edge, and it is not easy to loosen.

(3) The cocoon of the carding machine is very light. The average volume of the whole shuttle is 0.84g/cm, and the number of the whole shuttle is reduced by 19.5g. The weight of the non-uniform compressed water shuttle is 50~55 grams lighter than the ordinary uniform compressed wooden shuttle, and is similar to the weight of iron wood and persimmon wood shuttle.

The unevenly compressed birch shuttle is close to the weight of the tree shuttle, but not inferior to the uniformly compressed birch shuttle in terms of strength and stability. The average service life of the non-uniformly compressed wooden shuttle was 6121 hours, while the average service life of the uniformly compressed wooden shuttle was 618 hours. (4) Save wood.

Non-uniform compression can reduce the wood consumption of the shuttle body by 25-30%. It should be noted that the non-uniform compression method using the compressed semi-finished shuttle elbow can withstand the maximum stress that develops a large degree of compression stability in the leptospirosis. If you know the law of the shuttlecock's flight, the shuttle can be measured in various parts of the body, and the stress value of the value of the degree of compression of the bobbin body can be accurately determined according to the various parts.

Increasing the degree of compression of the stone, however, will result in the texture of the first fiber preform to ensure that the shuttle has high strength, but also allows for sufficient stability of the shuttle during storage and transportation.


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