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

By B. Purushothama

The e-book presents an creation to caliber administration and the standard targets of goods. Chapters talk about the influence of yarn parameters from a customer’s standpoint, purposes for terrible caliber, a number of wonderful points and difficulties concerning spinning. The reasons of yarn defects and applicable treatments also are tested. the various common-market court cases that spinners event are mentioned and the activities to be taken are defined.

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Additional info for A Practical Guide to Quality Management in Spinning (Woodhead Publishing India)

Example text

Carded yarns for socks: Carded yarns in socks are used mainly for daily wear, school uniforms, sports wear and in security services. The carded yarns are taken because they are cheap. As carded yarns do not give a soft feel like combed yarns, they are not used for baby socks and for the patient’s socks. Short-term unevenness is a major complaint regarding carded yarns, which give diamond type effect on the socks. The count variations result in uneven sizes of the socks, and much time is wasted in pairing the socks.

229 34 A practical guide on quality management in spinning 4 Reasons for poor quality in spinning Poor quality in spinning may be defined as a combination of factors such as the technical parameters of yarn being out of the acceptable tolerance limits of the customers, presence of objectionable faults and labels, improper packing leading to damages while handling, shabby packing resulting in time consumption while opening and extra space for storage, delay in despatch causing loss to the customer and penalty to the company, increased cost of manufacturing pushing the organization to a loss, short supplies and over productions leading to accumulation of finished material as stock.

In a number of cases it is seen that the mills purchase readymade software for bale management and go by the default fed in the software, without understanding the basic logics of grouping. Reasons for poor quality in spinning 37 (d) Not verifying the compatibility of components in a mixing The fibre properties and their proportion in a blend or in mixing is very important. The component fibres must be compatible to each other. If fibre properties are not compatible in terms of length, fineness, frictional properties and elongation, it is likely to give trouble in processing due to possibility of de-blending.

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