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ITMA 2011 Exhibitor Previews

Rieter: More Productivity And Lower Energy Consumption - The New Automatic R 60 Rotor Spinning Machine

WINTERTHUR, Switzerland - May 9, 2011 - The R 60 is a further development with emphasis on productivity and flexibility. Its advantages originate from the new S 60 spinning unit with unique spinning geometry and a robot with an accelerated cycle. The result is a high level of efficiency for a wide range of applications. Rieter will present the new R 60 rotor spinning machine at the ITMA in Barcelona.

Higher productivity with the new S 60 spinning unit
The novel arrangement of nozzle and TWISTstop in the innovative S 60 spinning unit increases the spinning stability and thereby reduces the number of ends down. The improved spinning stability allows a productivity increase per spinning position of up to 5%. The modular robot construction results in a further speed increase of 10%. A complete doffing and piecing cycle is now finished in only 22 sec.

Set-up times have been reduced to the absolute minimum by the newly designed TWISTunit. Individual drives for the feed cylinder improve the AEROpiecing® technology for yarn-like piecings by their direct and immediate control of the sliver feed. The R 60 can have up to 540 rotors. This results in a productivity increase of 8% compared to the previously longest machine - the forerunner model R 40.

Reduced energy consumption and easy operation
The energy consumption of the new machine generation, depending on the application, has been further reduced by 5% compared to the R 40.

The operator interface with a large, graphic color display with touch screen provides clear information on the machine status and allows easy setting. The entire concept aims at short idle times and thereby a high availability of the machine.

Independent sides give flexibility
A new option for the R 60 makes it possible to spin different lots independently on each machine side. In addition, the R 60 can be equipped with VARIOspin for the production of fancy yarns. This integrated option has been developed together with the specialist, Amsler, and utilizes the exceptional abilities of the individual drives for the feed. A retrofit can also be easily carried out.

Wide field of application for rotor yarns
The experience acquired by Rieter shows that rotor spinning is particularly suitable for standard yarns. Its strengths lie in the raw material with shorter staple lengths in the coarser count range up to Ne 30 (Nm 50). Unique with Rieter rotor yarns is the AEROpiecing® technology that guarantees yarn-like piecers. For this reason, Rieter rotor yarns, ComfoRo yarns, are near-faultless. This is a great advantage for downstream processing and this, together with the low energy and operator requirements in the spinning process, are decisive factors for the high economic efficiency of rotor spinning.

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