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Aerotech’s ACT linear actuators are suitable for demanding high-throughput positioning applications such as parts handling, assembly, dispensing, pick and place, non-contact inspection and scanning.

The linear actuators are based on a cost-effective, uncomplicated design featuring ultra-smooth brushless linear servomotors, submicron-level encoder feedback and heavy-duty linear guide bearings.

Available in widths of 115mm, 140mm and 165mm, and with a travel range from 100mm to 1.5m, the modular ACT series provides the capability for higher production throughput and improved accuracy in comparison with ballscrew and belt-driven alternatives with a maximum speed to 5m/sec and acceleration to 5G, according to the company.

Users can select a complete positioning system with price and performance matched to requirements; these include uncertified, certified or HALAR interferometer-calibrated accuracy grades and a choice of power performance through a forced air-cooled motor option.

There are also alternative cable management systems and flexible mechanical interfacing options, ranging from single and X-Y-axis configurations through to multi-axis systems with dual parallel axes in gantry positioning styles as well as Z and theta axes selected from other Aerotech positioning stage lines.

The ACT series of linear actuators uses the company’s direct-drive U-channel linear servomotor technology, which brings smooth performance with no cogging thanks to its non-magnetic forcer coil.

With zero backlash, zero friction and none of the wind-up associated with screw-driven actuators, the 320VDC linear motor is claimed to provide excellent performance, smooth velocity and good positioning control.

In addition, as there are no contacting parts to wear, the motor requires almost no maintenance.

A further benefit of the U-channel design is that the linear motor’s magnetic field is totally self contained and suited to high-performance applications that cannot tolerate the stray magnetic fields that are typically generated by flat-magnet track alternatives.

The high-performance linear encoder, located within the stage and close to the motor for maximum protection and good positional accuracy, helps to deliver a bidirectional repeatability of up to +/-1 micron for calibrated stages, with encoder resolution below 0.1 microns.

Encoder resolution ranges from 0.005 to 1.0 microns and the calibrated HALAR accuracy can be up to +/-5 microns for the 1.5m-travel version.

Robust and durable linear motion guide bearings with dual seals are used throughout the ACT series in graduated sizes to suit increasing loads and dynamic performance.

For the 165mm-wide stage, the maximum horizontal load is 60kg with a 30kg side-load rating.

Across the range, the low-maintenance/long-life design is rated for 20,000 hours MTBF.

The new ACT series can be delivered as a part of a complete motion control subsystem with Aerotech’s advanced motion controls and servo amplifiers to ensure optimum performance.

The range includes the PC-based A3200 digital automation platform, the new MotionPAC programmable automation controller or the Ensemble and Soloist standalone motion controllers with integrated drives.

Through the range, users can choose PC-based software-only control or standalone solutions in rack- or desk-mounted options to match application requirements.

Aerotech controllers offer a choice of machine controls and motion commands that can include IEC61131-3, the Microsoft .Net Framework and the Labview programming capability with advanced software and analytical functions that are designed to optimise machine performance, increase precision and improve throughput.


Aerotech — manufacturer of high-precision motion control components and systems

Aerotech — manufacturer of high-precision motion control components and systems

Aerotech manufactures the highest-performance motion control components and systems for our customers in industry, government, science and research institutions around the world. Our products include automated nanopositioners; planar and rotary air-bearing stages; high-speed gantries; mechanical-bearing linear, rotary and lift stages; brushless linear and rotary servomotors and drives; standalone and software-based motion controllers; goniometers; and gimbals/optical mounts. Custom, vacuum-prepped and cleanroom-ready positioning systems and components are available. Aerotech’s precision motion control products provide the critical performance for demanding applications in markets including medical devices and life sciences, semiconductors and flat panels, photonics, automotive, data storage, laser processing, military and aerospace, electronic manufacturing and test, assembly, research and development and others requiring high-precision, high-throughput motion solutions.

Motion controls, drives and motors

From our award-winning Automation 3200 32-axis machine controller to our Soloist series single-axis and Ensemble series multi-axis standalone motion controllers, Aerotech provides a controller solution to fit almost any need. Aerotech complements our controllers with our large selection of high-performance brushless linear and rotary servomotors and PWM and linear drives.

Linear and rotary stages, nanopositioners and gantries

Aerotech positioning stages range from economical ballscrew and gear-driven linear and rotary stages to the highest-performance direct-drive linear and rotary stages available, linear-motor-based Cartesian gantry systems, single- and multi-axis air-bearing systems and our complete range of ANT series long-travel nanopositioners.

Custom, vacuum and cleanroom-ready motion systems

If you don’t find a standard product suitable for your application, our expertise and ability to provide custom motion components and systems is unmatched. Our custom manufacturing capability is further augmented by our long history of providing systems for vacuum and cleanroom operation.

Since 1970, Aerotech has been committed to supporting our customers worldwide. We maintain a growing number of direct field sales and engineering offices throughout the US, as well as representatives across the globe. We also operate full sales and service facilities in the UK, Germany, Japan, Taiwan and China.

We’d be happy to assist you with your motion control application. Please use the contact information below to enquire about our services.

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