Passive and driven options for air bearing linear guides
The Engineering Network Ltd
Posted to News on 20th Aug 2025, 09:00

Passive and driven options for air bearing linear guides

PI (Physik Instrumente) offers standard and custom air bearing linear slides. Based on decades of experience from PI's USA engineering and manufacturing teams, these air bearings are designed for applications requiring ultra-smooth, zero stick-slip linear motion and sub-micron straightness and flatness.

Passive and driven options for air bearing linear guides

Air bearing slides float on a thin film of pressurised air, eliminating mechanical contact between moving and stationary components. This design delivers virtually zero friction, zero wear, and exceptional motion uniformity, making them ideal for applications including: precision metrology and surface profiling; semiconductor wafer inspection and processing; optical and mechanical alignment, precision assembly; utra-high-resolution scanning systems; and research and laboratory instrumentation

Key features and benefits include: 50 to 1000mm motion range; 9 platform sizes: 50x50 to 300x300mm; up to 760kg load; sub-micrometre-level straightness and flatness; no lubrication required, eliminating particulate generation; zero backlash and zero stick-slip for smooth, uniform motion; and long-term performance with no mechanical wear. The products are configurable for integration with integrated motors, linear encoders, or external drive systems.

These U.S.-manufactured passive air bearing slides can be paired with manual adjustment mechanisms or integrated into larger automated positioning systems using linear motors or other actuation technologies. Available in multiple sizes and load capacities, PI's slides are cleanroom-compatible and can be customised for specialised environments, including vacuum applications.

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PI (Physik Instrumente) Ltd

Trent House, University Way
Cranfield Technology Park
MK43 0AN
UNITED KINGDOM

+44 (0)1234 756360

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The Engineering Network Ltd