Ginning of seed cotton The freshly or first picked cotton has seeds in it, is called seed cotton. After picking the cotton fiber has to be separated from the seeds . This process y which separated the seeds from the fiber is known as Ginning. It is carried out mechanically. There are two types of Ginning process Ø Saw ginning : It is used mainly for short and medium length fiber. Ø Roller ginning : It is often preferred for longer fiber . It is a slower and mostly cost process. Faults and impurities of cotton fiber Ø Neps : Neps are small groups of entangled fibers which form at cotton processing. In spinning neps are difficult to eliminate or to comb. It create problem during textile processing. Ø Coils: Slightly roped groups of fibers. Mainly short fibers , dead fibers , and ill fibers are forming this type of fault. Ø Fiber strings : Strongly rop...
Posts
Showing posts with the label fault of cotton