By N. Gokarneshan.
The ebook has been ready contemplating the dire desire of the scholars. it truly is certainly fascinating to notice that no textual content books can be found, that disguise the full series of strategies within the region of weaving education. scholars consequently needed to consult with a few books. the original characteristic of the booklet is that it meets the syllabi requisites of the universities/polytechnics. The ebook is split into 4 department, particularly, winding, warping, sizing and drawing. a unique bankruptcy has been dedicated to the preparatory facets of micro denier yarns. additionally the most recent BTRA norms are integrated. This makes. Read more...
pt. 1. Winding --
pt. 2. Warping --
pt. three. Sizing --
pt. four. Drawing in --
pt. five. Micro denier yarns --
pt. 6. BTRA norms in winding, warping, sizing and drawing.
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Additional info for Weaving Preparation Technology
Sample text
To avoid this defect the tension of the yarn is reduced and the diameter of the package is increased. The various arrangements described above enable the machine to wind yarns with different characteristics. , the machine can be employed for fine cotton yarns where the conditions are favourable for its use. 4 Differences between precision and drum winding machines The following are the important differences between drum and precision winders: Precision winders Drum winders 1. The winding package is directly driven by spindles.
7) have the advantage of eliminating the ribboning or patterning 36/ Weal'illg Preparatioll Techllology in the wound package. Hence no separate pattern breaking mechanism is required in this case. Whereas in the case of the intersecting grooved drums a separate anti patterning device is required to prevent pattern formation. Thus the non intersecting grooved drums permit winding to be carried out at higher speeds. 7 Cone/cheese holder This is also known as the bobbin cradle and acts as a support for the winding package which is in the form of a cone or cheese.
It is universally acceptable and functionally reliable. This is in spite of the fact that the tensile strength of the yarn with knot is superior to that of the yarn with splice. Splicing is a technique of joining two yarn ~nds by intermingling the constituent fibres so that the joint is not significantly different in appearance and mechanical properties with respect to the parent yarn. The effectiveness of splicing is primarily dependent on the tensile strength and physical appearance. Splicing satisfies the demand for knot free yarn joining: no thickening of the thread or only slight increase in its normal diameter (Fig.