Bala

Controlling count variation in yarn

Importance of count variability in yarn hardly needs any emphasis. Higher count variability invariably leads to higher strength variability. The weak patches in the yarn lead to frequent end break in further processing, which often reaches annoying levels leading to rejection of bobbins and cones. In latest autoco (posted by Bala 6 years 255 days ago.)

Important Yarn parameters and Formulae

Yarn diameter and Count Relationship between yarn count and diameter is dependent upon specific volume of yarm. Specific volume, v, is the ratio of the volume of yarn to that of the same weight of water. Specific volume of yarn depends upon the raw material, type of spinning system, twist factor and spinning parameters. Ring spun yarns have a lower specific volume than rotor... (posted by Bala 7 years 287 days ago.)

Assessment of quality of man made fibre, filament and yarn

Quality Assessment of Man made fibre Filament and Yarn Length Staple length determines the strength of yarn and optimum twist factor. Extra long staple fibres require a lower twist factor and enable higher spindle speeds. At the same time, they are more prone to nep generation and result in inferior yarn appearance. In the case of cut staple fibres... (posted by Bala 7 years 313 days ago.)

Assessment of Cotton quality

Quality of cotton accounts for 50- 70 % of yarn and fabric quality. Longer and finer fibres result in higher yarn strength and enable spinning of a finer count. At the same time, finer fibres are more prone to breakages and nep generation and call for gentler treatment. Maturity of cotton influnces nep generation in processing and consequently determines the appearance of yarn and fabric. So... (posted by Bala 8 years 55 days ago.)

Relative merits and limitations of Polypropylene fibre against polyester

Polyester vs Polypropylene Polypropylene(PP) and Polyester(PES) are the two major fibres mainly used in apparals, Nonwovens, Industrial yarns and fabrics. It is therefore useful to have an understanding of their relative merits and limitations. It is therfore useful to have an understanding of their relative merits and limitations.Polyester is... (posted by Bala 8 years 66 days ago.)

Some Useful conversion factors in Textile Industry

Being one of the oldest industries, Textile industry has undergone many changes not only in methods of manufacture but also in units used to measure various characteristics. In olden days Brtish sytem of units were used. Later metric systems and finally International system of units known as SI units were recognised as standard units to be used world over. However, the... (posted by Bala 8 years 78 days ago.)