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Reliability and flexibility from actuators

An Inmoco product story
Edited by the Engineeringtalk editorial team Feb 28, 2006

Electromechanical actuators combine reliability from roller screw technology and flexibility in the choice of motor drive type, motor supplier, input transmission and mounting configurations.

The Exlar I electromechanical actuators from Inmoco combine reliability - from Exlar's roller screw technology - and flexibility in the choice of motor drive type, motor supplier, input transmission technology and mounting configurations.

They can replace hydraulic actuation and provide a simpler, longer-life alternative to pneumatic cylinders.

The inverted roller screw mechanism increases the life of the actuators.

The planetary design of the roller screws lets them be accelerated and rotated faster than comparably sized ball screws, while their large contact area allows high force characteristics, and provides long life - typically 15 times that of comparably sized ball screws - even in demanding repetitive applications.

There are several mechanical configurations to enable the OEM and user to optimise the performance and system cost to their requirements.

Rated to IP54 and supplied with an anodised coating, they provide mechanical capacity suitable for the lower forces and cycle rates achievable by stepper, DC and AC motors.

The higher specification IX series provides standard IP65 ingress protection and anodised coating, with electroless nickel and hard coating available as options.

It provides maximum capacity to use the full performance of Exlar's high torque density brushless motors, or the brushless motors from any manufacturer, for rapid cycling applications requiring long life.

The I series actuators provide flexibility in the choice of motor type - AC or DC electric motors, steppers and brushless servomotors - and in respect of motor manufacturer and input transmission technology.

The standard multiple motor input options include in-line direct coupling, parallel belt and pulley drive, and in-line planetary gearing.

In addition, they can be manufacturer-adapted to accept any motor brand or type; Exlar will adapt the I series actuator to accept its mounting.

Removable and adjustable mounting features, which, when combined with the mounting profiles of the modular machine frame components, let the user mount the I series in almost any machine configuration.

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