Actuators

Guided actuators for single-axis positioning

An actuator is a positioning device used to achieve high precision along one single axis of motion. Composed by a moving runner, it is propelled by one of several different technologies/drive options. To position a motorized actuator, a motion controller is used while a manual linear stage is controlled using a linear actuator, micrometer head or adjustment screw.

Each actuator and technology has differentiated features depending on your need of velocity, accuracy or load. We are certain that we can help you find a linear actuator that will fit your application.

We are happy to assist you with custom requests!

Characteristics

  • Travel range from 10 µm to 100 mm 
  • Velocity range from 5 nanometer/s to 750 mm/s 
  • Uniform software and 3rd party software drivers 
  • Absolute or incremental encoders and open-loop 
  • Vacuum compatible

Field of use

Industrial applications such as touch sensitive devices, machining processes and laser tuning. Scientific applications such as shutter control, sample manipulation and optical beam control.

Product technologies

Below you can find more information about specific product types. User the tabs to navigate and read more about the different product types.

DC & Stepper Motor

Technical information

  • Travel Range – Up to 100 mm
  • Resolution – From 100 nm
  • Load – Up to 400 N
  • Velocity – Up to 50 mm/s

More information

A stepper motor divides a full revolution into a number of full steps with equal distance between them. As each step size is known, the stepper motor can operate in open-loop mode without any position sensor. A DC motor rotates constantly as an operating voltage is applied and the velocity is directly proportional to the input voltage. A Motion Control stage utilizes bearing systems for guidance and encoders for position determination, there are various technologies to accommodate both and we offer a wide selection. 

Links to our suppliers

High-Precision Actuators
High-Precision Actuators
Compact DC & Stepper Motor Actuator
Compact DC & Stepper Motor Actuator
Long Travel Linear Stage

Piezo Actuators

Technical information

  • Travel Range – Up to 1 mm
  • Resolution – <1 nm
  • Operating Frequency – Up to 20 kHz
  • Force – Up to 10 000 N

More information

A Piezo actuator changes in length when a voltage is applied. Piezo actuators convert electrical energy directly into mechanical energy and vice-versa and allow for motions in the subnanometer range. The precision guidance combined with the lever amplification ensure long travel ranges and excellent accuracy. Determining the position is made with direct measurement with non-contact sensors.

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High Load Piezo Actuators
High Load Piezo Actuators
Outstanding Lifetime Piezo Actuators
Outstanding Lifetime Piezo Actuators
High Stiffness and Long Travel Range Actuators
High Stiffness and Long Travel Range Actuators

Piezo Motors

Technical information

  • Travel Range – Up to 35 mm
  • Easy integration – can be bolted to even surface
  • Compact design – from 20×20 mm
  • Encoder resolution – <1 nanometer

More information

There are two main principals regarding piezo motor drives. The first are piezo inertia drives which are compact and inexpensive piezo based drives with high holding forces up to 10 N and medium travel range. The second are ultrasonic piezo motors are particularly suitable for applications that require fast precision positioning. The self-locking drive holds the position of the stage mechanically stable and optical encoders are optional for very high accuracy. 

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Closed Loop Actuators
Closed Loop Actuators
Easy Integration Compact Actuator Stages
Easy Integration Compact Actuator Stages

Magnetic Direct Motor/Drive

Technical information 

  • Travel Range – Up to 20 mm
  • Resolution – From 1 nm
  • Force resolution – Up to 1 mN
  • Velocity – Up to 750 m/s

More information

Voice coil actuators and magnetic linear drives utilize the fact that the force acting on a current carrying conductor in a magnetic field is proportional to the strength of the magnetic field and the current. This drive offers advantages compared to common spindle-based technologies as it uses few mechanical components. The result is less friction, less wear and less backlash enabling better precision as well as achieving much higher dynamics. 

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Voice Coil Actuators for High Loads
Voice Coil Actuators for High Loads
Cost Effective Linear Actuator
Cost Effective Linear Actuator

Piezo Walk Drive

Technical information

  • Travel Range – Up to 125 mm
  • Resolution – From 1 nm
  • Holding Force – Up to 800 N
  • Velocity – Up to 15 mm/s

More information

Piezo walk drives use several piezo actuators that are preloaded against a guided rod. These actuators either bend or use shear and clamping forces to move the rod or to fix it in a specific position. The design enables analog motion with very high precision in nanometer scale while the step function enables very long stroke. In theory, there is no limit to the length of the rod. This technology is suitable for demanding applications where long term stability and reliability are needed.

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Compact Actuator Stages with High Durability
Compact Actuator Stages with High Durability
Non-Magnetic Actuator Stages
Non-Magnetic Actuator Stages
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