Question 11 (Textile Engineering & Fibre Science)
Which of the following is the correct sequence of events which happen in a roller drafting zone?
| (A) | Fibre elongation-fibre decrimping- fibre sliding |
| (B) | Fibre sliding-fibre elongation-fibre decrimping |
| (C) | Fibre decrimping- fibre sliding- fibre elongation |
| (D) | Fibre decrimping- fibre elongation- fibre sliding |
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Frequently Asked Questions | FAQs
What is the function of drafting roller?
Roller drafting is a process used in textile manufacturing to reduce the thickness of fibers and produce a consistent, even yarn. The function of roller drafting is to draw out and elongate the fibers by passing them through a series of rollers rotating at different speeds.
During the roller drafting process, the fibers are fed into the first set of rollers, which grip the fibers and pull them through the machine. As the fibers pass through each set of rollers, they are elongated and reduced in thickness. This stretching and thinning of the fibers creates a more even and uniform yarn, which is then wound onto bobbins for use in weaving or knitting.
Roller drafting can be used with a variety of fibers, including wool, cotton, silk, and synthetic materials. It is an important step in the production of high-quality textiles, as it allows manufacturers to create yarns that are consistent in thickness and strength.