Fast Linear Stage with Nanometer Resolution

For Travel Ranges to 230 mm & Peak Force of 200N.

Magnetic direct drives have advantages over the classical motorised, spindle-based solutions in particular with respect to wear and dynamics. Since direct drives largely dispense with mechanical components in the drivetrain, there is less friction and play and therefore more precision. At the same time, it lowers costs and increases energy efficiency. In addition, their outstanding features include relatively large travel ranges, high velocities as well as longer lifetimes of the drives.

The PIMag® V-551 is a new linear stage offered by PI (Physik Instrumente). Thanks to the force-guided crossed roller bearings (anti creep), it achieves a travel accuracy of 1 µm over a travel range of 100 mm. Care was taken during the design of the stage that no cables are moved as well. Therefore, it is especially suitable for scanning applications that require both high accelerations and high constant velocities. Possible fields of application include semiconductor or flat panel display manufacturing as well as medical technology, metrology and photonics or general use in industry and research. 

The linear stage has a modular design and a width of only 160 mm. This makes it possible to customize different versions according to customer applications. Therefore, it is possible to use a motor with 100 N or 200 N peak force and make travel ranges of 50, 130 or 230 mm available. In addition, the working range can be adapted to the respective application using adjustable mechanical hard stops. The positioning accuracy can also be adjusted to the respective customer requirements by a variety of different measuring systems.

When operating with the appropriate C-891 motion controller from the same manufacturer, the standard version of the ironless magnetic direct offers a positioning resolution of 1.7 nm and a repeatability of <20 nm. The highest achievable velocity is 500 mm/s. An absolute encoder is integrated as standard which means that a reference move is not necessary during switch-on. In conjunction with motion controllers from PI, optional high-resolution incremental encoders make a design resolution of up to 0.03 nm possible. 

This exciting addition to the PI range sits comfortably in the middle of an extensive portfolio of motion and positioning systems. This range includes components of sub 1mm travel ranges up to 1000mm; 1 micro-meter resolution/accuracy to sub nano-meter and single axis linear actuators to 6-axis parallel kinematic hexapods.

PI is well-known for the high quality of its products, PI (Physik Instrumente) has been one of the leading players in the global market for precision positioning technology for many years. PI has been developing and manufacturing standard and OEM products with piezo or motor drives for 40 years. While design, research and manufacturing take place in our four locations in Germany, PI is well positioned to serve the UK market with their team of precision motion consultants dedicated in assisting customers with their precision positioning and engineering challenges. 

Contact PI UK Ltd today on 01234 756360  or by email on uk@pi.ws

Physik Instrumente (PI) UK Ltd

Trent House

University Way

Cranfield Technology Park

Bedfordshire

MK43 0AN

www.physikinstrumente.co.uk

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