Web Tensioning System prevents erratic dancing.

Press Release Summary:

Offered as pre-configured system that maintains steady web tension, RSD250 Dancer Unwind Package contains RSD250 controller, EN50 pressure converter, air filter, DPS60 dancer position sensor, and all cables and air line tubing. Controller uses air pressure to increase/decrease pneumatic brake torque, allowing dancer roller to remain at mid-travel position. User can set RSD250 for momentary or maintained start/stop signal, adapting to any tension situation.

Original Press Release:

No More Erratic Dancing

(Vadnais Heights, Minn. - November 20, 2003) Nexen Group, Inc., today announced their new RSD250 Dancer Unwind Package. This package contains a totally pre-configured system that is simple to install, requires minimal calibration and keeps your web tension rock steady. The components include the controller (RSD250), pressure converter (EN50), air filter, dancer position sensor (DPS60) and all the cables and air line tubing.

The RSD250 uses air pressure to either increase or decrease the pneumatic brake torque, allowing the dancer roller to remain at it's mid-travel position in order to provide consistent tension during the unwinding process of paper, film, foil, or fabric. If the dancer arm position changes, Nexen's position sensor senses the movement and sends a signal to the RSD250, which provides a corrective signal to the tension brake to adjust and maintain the proper web tension. The RSD250 controller is housed inside an enclosure that requires either 120 or 240 VAC service. All DPS60, EN50, and external signals connections are made to the RSD250 via pre-wired connectors. All the pneumatic connections are made using tool-less quick connect fittings; making connecting components together fast and easy.

The only calibration the user needs to adjust is minimum and maximum travel position of the dancer roll. Based on machine type, the user can set the RSD250 for either momentary or maintained start/stop signal, adapting to any tension situation. The RSD250 package includes all the necessary components except the brake. The RSD250 Dancer Unwind Package is ideal for unwind stands with pneumatic brakes used to control the tension of paper, plastic, textile, or non-woven materials.

Nexen is a leading manufacturer of brakes, clutches, servo motor and linear motion brakes, torque limiters, overload protection devices, and web tension control systems for a variety of industrial applications ranging from motion control and robotics to packaging and material handling. With headquarters in Vadnais Heights, Minn., Nexen has more than 40 worldwide sales offices and more than 1,500 worldwide distributor sales outlets. For more information on Nexen's line of motion control products, contact:

Bobbi J. Jensen
Marketing Communications
560 Oak Grove Parkway
Vadnais Heights, MN 55127

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