Product category:
Stepper and Servo Drives, Motors, Controls
News Release from: Stober Drives | Subject: ED and EK brushless servomotors
Edited by the Engineeringtalk Editorial
Team on 09 October 2003
Optimised servomotors offer high
dynamics
The ED and EK ranges of brushless servomotors from Stober Drives complement the company's recently released MDS 5000 range of servo drives.
The ED and EK ranges of brushless servomotors from Stober Drives complement the company's recently released MDS 5000 range of servo drives The high acceleration servomotors in the ED series have been developed for high dynamic positioning applications with a high start-stop frequency
This article was originally published on Engineeringtalk on 31 Dec 2002 at 8.00am (UK)
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Servo takes on dynamic applications
The software for the new Posidyn SDS 4000 servo drive series is fully compatible with the vector-controlled frequency inverters of the Stober Posidrive FDS 4000 series.
Decentralised option for frequency inverter
Stober has extended its Posidrive FDS 4000 frequency inverter family to include a decentralised equipment series in the 2.2 to 15kW power range.
The ED Series is available in five different frame sizes (55 to 192mm) with continuous torque ratings from 0.37 to 23.5Nm and peak torque ratings of 1.48 to 91Nm.
The second, short design EK motor series is intended for applications with limited axial installation conditions and high true running specifications.
The EK series are available in two different frame sizes (115 and 145mm) with continuous torque ratings from 1.76 to 14.10Nm and peak torque ratings of 15 to 50Nm.
Both series are available for use with absolute measuring systems.
Traditional resolvers are also available for use in very poor environmental conditions.
In combination with digital encoders, the electronics rating plate fitted as standard in the motor helps simplify commissioning.
All motors are CE marked as standard and can be supplied with UL certification as an option.
The standard enclosure is rated to IP56, and an IP66 version is available as an option.
Stober also supplies low-backlash safety spring pressure brakes as standard on motor sizes ED4-ED7.
As an option backlash-free permanent magnet holding brakes are available.
Motor sizes ED2-ED3 and EK5-EK7 have a backlash-free permanent-magnet holding brake as standard.
To increase the continuous torques and continuous outputs of the ED and EK motors, Stober can provide forced-air cooling systems (IP44).
These units, which consist of variable fan cowls and external fan motors can also be ordered as retrofit kit and installed as a modification.
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