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View All Press Releases| Olsen Engineering UK Ltd | 20 Aug 2009 |
Tritex II ALL IN ONE LINEAR ACTUATOR
At a time when energy efficiency is high on the list of priorities for most businesses, electric linear actuators are rapidly taking over from more traditional hydraulic and pneumatic actuators. Olsen Engineering established in 2004, launches the very latest range of high precision electric actuators at the PPMA show in September 09.
The new 230 volt Exlar Tritex II offers a host of benefits in that the single enclosure contains not only a high precision inverted roller screw actuator but also the brushless servo motor, servo amplifier and position controller. This eliminates the unreliable multiple connections necessary between the components of other typical servo linear actuators making the Tritex II literally a plug-and-play unit.
In response to customer demand, the new 230 volt version takes the all-in-one concept to a new level eliminating the need for a 48 volt power supply, still common among many other actuators. The position control function has been enhanced allowing up to 16 positions to be programmed. The incremental encoder offers 8192 count accuracy and an absolute encoder option is planned along with a number of bus options. Also included is flash upgrade of the firmware via a ModBus port allowing new features to be added in the field. An LED display indicates power, status and two customer programmable indicators.
Initially 90mm and 115mm frame size units are available offering linear speeds up to 1072mm/s and linear force up to 16.4kN, but larger frame sizes are in development.
The need for energy efficiency, reliability and cleanliness is driving many large food and beverage manufacturers to demand fully electrical machines and away from hydraulic and pneumatic actuators. The slightly higher first cost of the electric actuator is very rapidly offset by the energy savings. The electric unit, better than 85% efficient, uses energy only when actually in operation (hence any dwell time in the motion cycle suddenly becomes energy savings compared with air or oil linear motion systems!). Pneumatic units require a constant air supply and compressor systems are notoriously noisy and inefficient. The infrastructure costs of hydraulic and pneumatic systems are also extensive and entail high maintenance as well as running costs. This is dictating the choice of electrical actuators especially for new plant on Greenfield sites. The new 230 volt range of Tritex II actuators makes it even easier to adopt clean, reliable, programmable electric technology in place of inefficient air and oil driven alternatives.
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