Jul
Roller Screw versus Ball Screw Actuators
In the ever-evolving field of engineering, roller screw technology has become a significant force in linear electric actuator motion control....
Date: 29 May 2015
Exlar expanded its linear actuator line to include the EL120 explosion-proof linear actuators. The EL120 linear actuator meets ATEX requirements for use in potentially explosive atmospheres and are in conformity with the EU ATEX Directive 94/9/EC as well as the IECEx Scheme. Additionally, it is rated for Class I, Div 1, Groups B, C, D, and T4 hazardous environments.
The EL Series of linear actuators integrate a highly efficient planetary roller screw mechanism with a high torque servomotor in a single self-contained package. This highly robust design is engineered to provide reliable and precise operation over thousands of hours, handling heavy loads - even under arduous conditions.
Exlar servo-electromechanical systems offer a clean, fast, simple, and cost effective replacement for hydraulic actuation and longer life alternative to pneumatic actuation. Superior servo-electric actuator reduces emissions, minimizes energy consumption (80% system energy efficiency), increased position control and accuracy – all leading to lower cost.
Other features include:
For process applications, the EL120 and ER120 offers a unique combination of high speed, performance, and accuracy. High performance is achieved with respect to speed, linearity, load sensitivity, deadband, and temperature range. For gas turbines with variable guide vanes, the EL120 and ER120 actuators provide precise positioning and feedback for fine tuning injector airflow to maintain CO and NOx emissions. In oil and gas applications, the EL120 and ER120 effectively managed pressure drilling choke valves or any valve application that requires extremely fast response to the smallest command signal changes without overshoot, even when friction is present.
EL Series explosion-proof actuators are well-suited for applications such as:
The Exlar EL Series provide, a superior and cost-effective solution even in the most severe and demanding environments.
We supply slewing ring bearings, oscillating mountings, tensioner devices from stock and we also have spiral bevel gearboxes, servo gears and electromechanical actuators in our delivery program.
In addition we also select and offer the right components and systems for motion control solutions, such as servo gear motors, linear servo actuators and complete XYZ cartesian systems.
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