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32 mm Wide x 7 mm High: PI’s Newest Compact Rotary Stage

Precision nanopositioning systems specialist PI (Physik Instrumente) L.P. recently added a new piezo inertia drive rotary stage to its existing Q-Motion product line of compact linear and rotary systems – the Q-632.

This compact micropositioning drive is only 32 mm wide, 7 mm high, and has a 30 mm turntable diameter with 360° rotation range.

Self-Clamping at Rest, High Stability

The Q-632 delivers precision rotation with minimal incremental motion of 3 µrad in closed-loop operation and velocity of 45°/s. The self-clamping motor design provides long-term power-off position-hold capabilities without the need for a brake -- another space and energy saving advantage of the Q-Motion positioner series. All Q-Motion rotation stages are suitable for a vacuum to 10-6 hPa; ultrahigh vacuum-compatible versions are also available on request.

The Q-600 series of miniature rotary stages include the smallest motorized stage that fits on a finger-tip - the Q-614, with a 14 mm diameter turntable and velocity 70°/s.

Miniature Linear Stage | Miniature Rotary Table, Rotation Stage w/Piezo Motor: How it works | PI

Open & Closed Loop Variations

The Q-632 offers variety with open and closed loop versions. The closed loop version is equipped with a direct measuring sensor providing 0.75 µrad resolution.

Stick-Slip Gearless Economical Drive System

Stick-slip drive motors, lacking gears, are powered by the natural difference in the static and dynamic friction coefficients found between two surfaces. This direct linear motion drive principle reduces the number of components that can wear, making the stages more compact, reliable, and cost efficient. PI stages and drives can be customized for larger production quantities.

Download the Datasheet here

Standard and Custom

PI has in-house engineered solutions with over 4 decades of experience working with customers to provide products that meet application demands, and can quickly modify existing product designs or provide a fully customized OEM part to fit the exact requirements of the application.

Application Examples of the Q-632

Precision positioning and alignment of compact opto-mechanical components in research and OEM applications. Fields of applications include automation, photonics, bio-nano-technology, metrology, microscopy, life sciences, micro-manipulation,  including cleanroom applications.

Features & Advantages

  • 360° Rotation Range
  • Self-Clamping Stick-Slip Motor, No Jitter/Drift, No Holding Current
  • Ultra-compact: 32mm Wide, 7 mm High
  • 45°/sec Max. Velocity
  • Vacuum and Non-Magnetic Options


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