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ADVERTISEMENT FEATURE COVER STORY Direct drive electric linear motors


Servo Components & Systems introduces the Nitek Green Drive electric linear motor range, looks into its features and benefits, and explores the applications


he Nitek Green Drive electric linear motor range is designed specifically for use as an actuator. Combining the speed and rugged operation of pneumatics, the controllability of a ball screw and the inherent reliability of direct drive linear motors, the Green Drive actuator is a low-cost, powerful industrial pusher/puller. The simple two-part design makes the Green Drive actuator very


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reliable – the internal rod support bearing provides a maintenance free solution with service life up to 10 times that of ball screws. Using direct drive electric technology, the Green Drive actuator has quiet operation with speeds up to 5m/s, peak force to 1000N and a positional repeatability of 50


Application: Handling wafer biscuits


Single GDI250TS Green Drive linear motor used to push the product onto the processing line with positional/force


control order to produce 300 closures/minute


Previous solution: Pneumatic cylinder with no force/torque control


Application: PET handling for quality inspection


Single GD120Q Green Drive linear motor used to handle a PET preform for quality control over using vision systems, 36k/hour


Previous solution: Pneumatic cylinder with no position control


Application: Flying shear of plastic profiles


Single GD350X Green Drive linear motor used to move a cutting carriage at high speed for flying shear of plastic profiles


Previous solution: Belt drive system, lower speed


Previous solution: Belt drive system module , lower speed


micron, making it suitable for many industrial applications. Traditional pneumatic actuators can become very complicated to program, requiring elaborate control


valves and complex electro-pneumatic control systems to choreograph the positioning function. However, direct drive electric linear actuators provide positional control using integral Hall sensor position feedback and, when used with a matching Copley Controls digital amplifier such as the Xenus, the Green Drive actuators form a complete ‘plug and play’ positioning subsystem. Copley’s intuitive indexing software is used to tune and program the Green Drive system quickly and easily. A PLC can be used to initiate the Xenus amplifier stored motion profiles, simplifying the


Application: Positioning closure for printing


Single GD250XS Green Drive linear motor is used to push the closures to printing position in


GDH actuator


GDP 2D Robot Picker


GDR Rotolinear motor


GDI linear actuator


GDM linear motor For further details please contact: 01202 666636 • sales@servocomponents.co.ukwww.servocomponents.co.uk 12 SEPTEMBER 2016 | DESIGN SOLUTIONS 


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