EoW July 2013

Technologynews

▲ ▲ ROEX Extruder generation

Maximum energy efficiency

During the development of the new Extruder generation ROEX special attention was paid to additional electrical power consumers like the heating and cooling section. A new design of the heating elements in combination with the cooling channels and the fans allowed substantially faster reactions of the extruder temperature control. The effect of this was not only a precise control but also a reduction of the power consumption of the heating and cooling section. Further machines of the Rosendahl extrusion lines were subjected to measures to increase efficiency. It is of great importance to Rosendahl that the latest technologies are constantly applied (eg use of more efficient electronic components like AC motors, illuminants, conflation of several PLC systems, regulators and relays). Rosendahl also uses a high-level line control system. This system coordinates the processes of all machines and demands only the power which is required for each particular process. Rosendahl’s ROEX Extruder generation saves compared to conventional production lines from 15 to 25 per cent energy for the entire production line with a comparable productive capacity. Rosendahl Maschinen GmbH – Austria Website : www.rosendahlaustria.com

technology to state-of-the-art A/C power technology. Additionally the thyristor rectifier which caused enormous wastage due to reactive power was omitted. By converting to a direct screw drive by means of a planetary gear motor mechanical losses were reduced. The planetary gear is directly driven by four symmetrically aligned motors (“compact motor and gearbox design”). Thanks to an optimised processing unit (screw and feeding section) the material output could be massively increased while, at the same time, reducing energy consumption.

Rosendahl has been one of the leading companies in extrusion lines for many years. One of the biggest milestones on the way towards this aim was the continuous improvement which led to the ROEX Extruder generation. To achieve a reduction in power consumption, Rosendahl focused on the extruder unit (the main consumer of energy in an extrusion line) and developed measures to enhance the energy efficiency of the new Rosendahl Extruder generation ROEX. The following improvements were made: The drive has been modified from DC

New single fusion splicer Fujikura Europe has launched the 70S fusion splicer, replacing its FSM-60S core alignment fusion splicer. The latest addition to Fujikura’s fusion splicer range, the 70S has been designed to be more ergonomic, faster and more durable than the FSM-60S, reducing splicing time to just seven seconds. A rugged construction design resists rain and dust, and will withstand a 30" drop test on six sides. Two of the newest features include an automated wind protector and a tube heater, developed for quicker splicing cycles and to reduce the number of operational steps. The unit also includes a high-resolution LCD monitor, powerful Li-ion battery and built-in training videos. The 70S’s redesigned carry case can be used as a table for faster preparation for mobile splicing, and a separate working table is included in the standard package. This is the second fusion splicer launched this year by Fujikura, following the release in February of the 12S. Fujikura Europe – UK Website : www.fujikura.co.uk

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EuroWire – January 2012