Fibers are the raw materials for products in the market. So, fibers need to pass a sequence of processing. Final products of processing may be yarn, fabric or cloth. The first step of processing is spinning.
The spinning process of natural fiber may be carded, combed or rotor types. In general, cotton is one of the most commonly used raw materials all over the world. The spinning process of natural fiber is completely different from synthetic fiber.
The following of blow room process is carding process. Blow room product which is lap or chute becomes carded silver after being carded. Carded sliver feeds to draw frame for making drawn sliver.
Carding is the process which reduces an entangled mass of fiber to a filmy web by working between two closely spaced, relatively moving surfaces clothed with sharp wire points. Carding plays a key role in spinning and it is called as the heart of spinning mill or “weld carding is half spun”. It has the significance on the final result.
Both carded and combed yarn can be carded. The followings are the functions of carding:
1.Carding is done for the individualization of the fiber.
2.Parallelization of fiber also done by carding action.
3.Remaining impurities and dust are eliminated by carding action.
4.Neps of fiber also disentangled by carding action.
5.Short fibers are eliminated by carding action.
6.Fiber blending is done by carding action.
7.Fibers are oriented by carding action.
8.Sliver formation also done by carding action.
9.To facilities the next drawing frame action is another functions of carding.
The main functions of carding machine are quite similar to other processing machine while the shape differs from others completely. Fiber carding machine is different from jute carding machine. In fiber carding machine is done in one machine while fiber needs to pass two carding machine for jute spinning. One is breaker card and the other is finisher card.
Carding will affect the next process and spinning efficiency.
Post: What Are The Functions of Carding in Spinning?
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