By B. Purushothama

ISBN-10: 0857090062

ISBN-13: 9780857090065

The publication presents an creation to caliber administration and the standard ambitions of goods. Chapters talk about the influence of yarn parameters from a customer’s standpoint, purposes for terrible caliber, quite a few high quality points and difficulties on the topic of spinning. The motives of yarn defects and acceptable treatments also are tested. a number of the common-market proceedings that spinners event 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

Example text

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. Hence the twist should be lower compared to the yarns used for making flat belts. The flannel does not undergo stress as belt does, but it undergoes compression.

The technicians, therefore, are suggested considering everything together and not concentrating only on the technical parameters. It is a normal belief that adapting latest machinery with good technology results in good quality of yarns compared to old machinery and technology. Therefore, the mills invest on latest technology. However, in spite of latest, so called “State of the Art technology” we see poor quality of yarn in a number of cases. There are number of factors responsible for the poor quality.

If the supply is less or more, it shall cause problem in getting the exact effect that was planned. One should remember that yarns are dyed to get some special effects, and the quantity required in each shade need not be same. If any extra quantity is dyed, that yarn remains unsold. 3 ● ● Grey yarns for socks knitting Count variation: In socks knitting, the number of cones fed is less; may be one, two or four, and not very high like in the case of T-shirts where 48, 72 or 96 cones are creeled. Count variations in yarns for socks will not give problem of barre, as we get in T-shirts, as a complete sock is made up by just by a single cop or two cops.

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A Practical Guide to Quality Management in Spinning by B. Purushothama


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