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12/4/2014

Textile Manufacturing

Textile Manufacturing

Textiles in general

In the days when cave men ruled the world, people were dressing with animal fur to protect themselves from the elements. Today we are far beyond that point and a wide range of natural as well as synthetic fibers have widely replaced animal fur. The modern textile industry grew out of the industrial revolution in the 18th Century as mass production of clothing became a mainstream industry. To handle the huge demand for textiles, sophisticated machines are now producing impressive quantities. For example, denim is being produced at a rate of one square meter per minute.

To ensure optimum performance of modern spinning, twisting or weaving machines, a consistent environment must be created and maintained. That’s where humidity and temperature measurement play an important role.

Why the need to measure humidity?

Controlling humidity in the textile industry is essential.Too dry or an unbalanced environment will have the following negative effects on product quality and the production process:

Static electricity – Dry materials create more friction and are more prone to static electricity. Higher humidity reduces static problems and makes materials more manageable enabling more efficient production.

Moisture Regain – Moisture Regain is defined as the weight of water in a material expressed as a percentage of the oven dry weight. Dry air causes lower regain and this contributes to poor quality and lower productivity. By humidifying the environment, the materials are kept at optimum regain and are less prone to breakage,heating and friction effects.They handle better, have fewer imperfections, are more uniform and feel better.

Yarn strength – Yarns with low moisture content are weaker, thinner, more brittle and less elastic.

Fabric shrinkage – Low humidity causes fabric shrinkage.Maintaining the appropriate level of humidity permits greater reliability in cutting and fitting during garment creation. Strict control of humidity in the production environment allows for tighter quality control where dimensions are important, such as in the carpet industry.

Product weight – Textile weights are determined at standard conditions of  65% RH and 20°C (68°F). Maintaining humidity will ensure accurate product weights, ensuring appropriate profits.

Dust – Humidification reduces fly and micro-dust, providing a healthier and more comfortable working environment.