By B. Purushothama
The e-book presents an creation to caliber administration and the standard pursuits of goods. Chapters talk about the influence of yarn parameters from a customer’s standpoint, purposes for terrible caliber, a number of tremendous elements and difficulties on the topic of spinning. The factors of yarn defects and applicable treatments also are tested. many of the common-market proceedings that spinners adventure are mentioned and the activities to be taken are defined.
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Extra info for A Practical Guide to Quality Management in Spinning (Woodhead Publishing India)
And the belt should perform. The belt consumes more power if it is heavy, and hence, it should be as light as possible, but strong enough to drive the machines as needed. The belt should have uniform surface so that there are no jerks while driving. Hence the yarn should be fairly uniform in diameter. If the yarn has knots, it results in breaks while preparing the belt and results in stoppages. Hence long knotless yarns are preferred. Yarns for flannels for sizing: The flannel cloth should give a good cushion to the yarn being sized, should hold the size on to its surface and transfer the same to yarn being sized.
Apart from the selection of raw materials, the ways in which they are handled and used also play an important role. Following are some examples. 1 Improper selection of raw material Let us take some examples of improper selection of raw materials for a given end use. (a) Superfine cottons/fibres where coarse cottons/fibres was a need i. Customer wanted carded Ne 20 s for making T-shirts on an urgent basis. The mills were running Ne 40s Combed using fine cottons. Instead of taking a separate mixing, the mills decided to give Ne 20s K with the running mixing only.
However, after a period of three months, the spinner received a feedback from the customer that the T-shirts were not accepted in the market as it had a “feminine feel” and the end customers wanted a “masculine feel”. ii. The customer wanted Ne 7s K for weaving rough jeans. 0 micronaire. The Jeans had a soft feel and was not accepted by the young customers. 0 should have been good. iii. A customer wanted to manufacture towels and a rough surface was the requirement. The count of the yarn required was Ne 2/ 20s.
A Practical Guide to Quality Management in Spinning (Woodhead Publishing India) by B. Purushothama