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Card stripping and looping

Author:Xinjinlong Machinery-Fabric Recycling Machine Manufacturer

The card stripping roller and the doffer have small progress (0.125-0.225mm) relying on the contact between the mountain teeth and the doffer fiber to generate friction, which combined with the bonding between the fibers, peels the brush fiber from the doffer, called“brush and peel”. 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). The structure of the double twisting unit of the double twisting machine mainly includes the spindle braking device, the spindle part of the double twisting machine, the yarn winding device, and the special device of the double twisting unit. Special equipment for the textile industry on the winder.

As the last process of spinning and the first process of weaving, winding is the link between the past and the next.“bridge”Therefore, it occupies an important position in the textile field. After transferring the output roller and the pressing roller, the distance between them is also very small (0.125-0.205mm), and the fibers are peeled off by friction with the fibers, and then the fibers can be continuously peeled and pulled to form a web by the tension of the cotton web.“Pull and peel”. The cotton web is collected at the bell mouth and pressed by the roller, and the fibers enter the bell mouth from the transverse peeling point of Dough for a period of unequal distance, so the transverse direction of the fiber web to the bell mouth is different, resulting in the effect of uniform longitudinal mixing of the fiber web.

Generally, the small cylinder adopts a large circle, and the large cylinder adopts a small circle. Where it is said that the radius of the coiler is larger than the diameter of the circle, and the coiler is said to be small. The large circle sliver of the carding machine has an air hole (d 0 ) at the intersection with each other, the number of circles per layer is less than that of the small circle sliver, and the density of overlapping information is also smaller than that of the small circle sliver.

The trajectory of the large coil has a large radius, and the coil disk is higher, which reduces the effective development height of the can (ie the height of the operating system). The speed requirements are high, and the centrifugal force has a large effect. In the middle and during forming, the sliver may be thrown out of the can. However, the coiling disc structure of the large coiling coil has large design size, consumes a lot of power resources, and has a large inertial influence force, which is not conducive to the starting and braking of the state machine. With the high speed of the carding machine to achieve high output, under the condition that the quality and size of the package can be continuously improved and increased, the small coil sliver has more economic advantages in China than the large coil sliver.

Large coils are generally mainly used for small cans, and small coils are generally used in large cans by enterprises. Those with a diameter of more than 500mm basically use small coils. However, the most modern cards have larger coilers at home and abroad. Circle effect.


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