Increasing productivity by eliminating process stages

This article reports on the Zinser Sirospun facility for spinning yarns, which enables the customer to react specifically to various market requirements and increase his production. Most ring spinning machines can be retrofitted with a Sirospun facility, which cuts out process stages such as doubling and twisting. The Sirospun process is ..

An integrated approach to energy conservation in a spinning mill -a case study

Various methods for saving energy at a mill spinning synthetic fiber yarns in the count range 31 to 33.5 are diclosed. Energy conservation is effected by saving power in lighting, making machine modifications, altering the air conditioning, replacing old and inefficient capactions, minimizing the idling of ringframes, and reducing overmon..

New pneumatic-hydraulic power unit.

Pneumatic-hydraulic power units are constituent components in web guiding systems. They are used to straighten webs following their edge or centreline and to adjust the positioning of winding and unwinding machines. Erhardt + Leimer have developed the HP 03 power unit. It has the optimum combination of spring and diaphragm, according t th..

Assessing Cost/Capability of Fully Automated Spinning.

The most automated and computerized spinning mill in the world is located in Japan. This 40,000 spindle, combed cotton, computer integrated manufacturing (CIM) facility requires only 10 people to operate. The plant is split into seven production modules (sliver preparation, combed sliver, yarn production, physical testing, inspection/pack..

Towards the year 2000 in spinning - competing in a global spinning industry

To survive in the competitive market of the present day requires a new manufacturing ethos. A careful analysis of various successful operations around the world suggests dey areas which must be changed and improved. Firstly, it must be recognished that some factors are beyond control. However, there is always capacity for change. Ways in ..

Effect of spinning speed on the quality of yarns produced by the pneumatic method.

The effect of the spinning speed on the qualiy, structure and properties of yarns spun by the Murata dual vortex system is studied. The yarns examined are from 100％ cotton and from 70/30 polyester/cotton blends. The optimum spinning speed is found to be in the range 120-140m/min. Above 140m/min the incidence of yarn defects and variation..

Total quality management (TQM) in the spinning mill by means of a control of the raw material and a continuous supervision of the process

In the last 10yr, a great deal of progress has been made in the electronic supervision of the various production stages in the spinning mill. Particularly impressive has been the progress made in autolevelling devices and in the on-line supervision of qualiy and productivity at cards, combers and drawframes. Again, as a result of advances..

Cost reduction by applying electronic brake devices in spinning machines

To comply with demands for best possible safety in dealing with textile machinery and to achieve minimum loss time of slow stopping machine aggregates, the application of modern electronic motor braking devices offers and ideal solution. With this it is possible to brake the drives in a short time without wear and tear. With BRE 1 capable..

PERSPECTIVES ON PRODUCTIVITY IN SPINNING MILLS.

During the past 40 years, SITRA conducted 23 surveys that document a significant growth in India's spinning productivity. Data from these surveys can be used to generate analyses comparing the performance of induvidual mills with the national standeard, to rank India's productivity against the gloval standard, or to extrapolate growth tre..

PORTABLE INJECTORS FOR THREADING AND TRANSPORTING YARNS.

Injectors are used for receiving, threading, and rethreading yarns on spinning equipment. Several types of injector designs were tested: a flat injector with a rectangular channel and an intake pipe of 8 millimeters in diameter, a two stage injector with a cylindrical channel and an intake pipe 8 millimeters in diameter, a flat injector w..