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Retech to display innovative godet rolls at ITMA Asia
05
Jun '14
Retech to showcase customized flexible solution, Retech godet rolls at ITMA Asia + CITME 2014 at hall W2 stand no. E21.
 
For more than 35 years, Retech has been developing and producing components and installations for processing of synthetic filaments mainly in the field of thermal and mechanical treatment in order to create added value for customers worldwide.
 
Behind the nomenclature thermal and mechanical treatment there is a large amount of Know-How and technical competence. E.g. Thermal treatment goes in 2 directions, namely heating as well as active cooling. Mechanical treatment covers an even larger range, starting from a big variety of different process speeds, an extensive range of different coatings of the godet rolls which are also vital to the excellent function and superior quality of the final product.
 
RETECH offers complete solutions coming either as stand-alone concepts or fully integrated, as a retro-fit or upgrade of existing equipment. As the leading global partner of the textile industry in its field, RETECH Switzerland can look back on many years of experience in the world of research and development of components and installations, which are also used to significant advantage in other areas of the industry, such as solar cells.
 
Heated godets are since many years RETECH’s “flagship” and are used originally on drawtwisters they are now to be seen on most spin-draw and spin-draw-texturing machines running at surface speeds of 2,500 – 6,000 m/min. Although they are just as capable of transferring heat to a bundle of filaments as contact heaters, their use in the false-twist texturing process has always been prevented by the high twist in the yarn as it leaves the heated roll. The temperature range of the Retech induction heated godets is between 50°C and 250°C, this really high range gives an even higher flexibility and added value to the customer.
 
Retech godet rolls are customized flexible solutions:
Based on the Energy Saving Motor (ESM) concept there are three main sizes of motor, which are available in different performances. For these types of motors there are different roll diameters in various lengths available. 
 
After defining the heated godet size, the type of heating can be decided according specific customer process data such as the material to be processed, yarn count, number of threads and wraps, process speed and temperatures, draw forces and yarn properties. In most cases the godets are heated by induction. Together with the customer on the base of process requirements Retech engineers work out the decision if one-zone or a multi-zone heating will be used and fact is that RETECH godets are capable of 6000 m/min with temperatures up to 250 °C.

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