Miniature 6-Axis Hexapod Positioners

Compact parallel-kinematic motion systems provide six degrees of freedom in a much smaller package than conventional stacks of linear, rotary and goniometer stages. Miniature hexapods are ideal for fiber alignment, photonics packaging, microscopy, compact automation and small vacuum chambers.

Compact 6-Axis MotionFiber AlignmentPhotonicsVacuum OptionsVirtual Pivot Point

Miniature hexapods are six-axis parallel-kinematic positioning systems designed for applications where space is limited but precise multi-axis alignment is still required. Instead of stacking several individual stages, six actuators work together to move one platform in X, Y, Z, pitch, roll and yaw.

This compact architecture provides a smaller footprint, high stiffness, no moving cable loops and a software-defined pivot point. That makes miniature hexapods especially useful for optical alignment, fiber coupling, small instruments and precision manipulation inside confined machine spaces.

For larger platforms, see standard-size hexapods. For high-vacuum versions, see vacuum-compatible hexapods.

Miniature and Compact Hexapod Positioners
H-810 miniature hexapod

H-810 Miniature Hexapod

One of the most compact hexapods in the PI portfolio, designed for precision six-axis positioning where installation space is highly constrained.

Loadto 5 kg
Travel40 x 40 x 13 mm
Rotationto 60°
Resolution40 nm strut
Min. Motionto 200 nm
Velocityto 10 mm/s
  • Very compact six-axis parallel-kinematic design
  • Repeatability up to ±0.5 µm
  • Useful for small optical benches, inspection systems and research setups
  • Cartesian coordinate control simplifies multi-axis positioning
PDF Datasheet Product Description
Custom Hexapods and Concepts
Low Temperature Quantum hexapod

Low Temperature Hexapod Concept for Quantum Applications

Ultra-compact hexapod concept for cryogenic environments

  • Piezo based for high efficiency and low heat generation
  • 7mm linear travel and 7° rotary travel
  • UHV-compatible and non-magnetic design
  • Fits inside a cube of 70mm side length
Additional Information on the Cryo-Hexapod
M-810.0A miniature hexapod with clear aperture

M-810.0A Custom Miniature Hexapod Concept with Clear Aperture

Compact six-axis hexapod variant with a clear aperture, useful for optical setups where a beam path, probe, sample or instrument feature must pass through the center of the platform.

ApertureØ59 mm
Loadto 5 kg
Travel40 x 40 x 13 mm
Rotationto 60°
Repeatabilityto ±0.5 µm
Velocityto 10 mm/s
  • Clear aperture for beamline, optics and sample-access applications
  • Resolution of a single strut 40 nm
  • Minimum incremental motion to 200 nm
  • Compact alternative to stacked six-axis stage assemblies
PDF Datasheet Hexapod Video
H-206 HexAlign six-axis precision alignment system

Legacy Product: H-206 HexAlign™ Six-Axis Precision Alignment System

Compact six-axis precision alignment system for scanning, optical alignment and automated fiber alignment tasks.

Architectureparallel kinematics
Resolution0.033 µm actuator
Repeatability0.3 µm in space
  • Six degrees of freedom in a compact manipulator format
  • No moving cables for improved reliability and reduced friction
  • Better dynamics and smaller package than serial-kinematic systems
  • Cartesian coordinate control with virtualized pivot point
  • Digital controller with LabVIEW™ drivers and DLL libraries
  • Integrated fiber alignment routines
PDF Datasheet New Replacement Product
Applications for Miniature Hexapods

Fiber Alignment and Photonics Packaging

Miniature hexapods provide precise X, Y, Z and angular alignment for coupling light into fibers, waveguides, photonic chips and optical assemblies.

Microscopy and Life Science Instruments

Compact six-axis motion helps align samples, objectives, probes and small optical modules without the height and footprint of stacked stages.

Small Vacuum Chambers

Vacuum-compatible miniature versions are useful when chamber volume is limited and multi-axis alignment must be performed inside the vacuum environment.

Research and Precision Automation

Compact hexapods support sensor alignment, micro-assembly, test systems, metrology and laboratory automation where flexible six-axis motion is required.

Why Miniature Parallel Kinematics Helps

A miniature hexapod replaces a stack of individual X, Y, Z, rotary and tilt stages with one integrated parallel-kinematic mechanism. The result is a lower profile, reduced moving mass, higher stiffness and simplified cable management. The user can command motion in Cartesian coordinates, while the controller handles the required coordinate transformation.

FeatureMiniature HexapodStacked 6-Axis Stage Assembly
FootprintCompact integrated mechanismUsually larger due to multiple stacked axes
HeightLow-profile for confined spacesHeight increases with each added axis
StiffnessLoads distributed through parallel strutsUpper axes are carried by lower axes
Cable ManagementNo moving cable loops on the platformMoving cables are common on upper stages
Pivot PointSoftware-defined virtual pivot pointUsually fixed by mechanical stage geometry
Best FitCompact six-axis alignment and precision manipulationLong travel or simple independent-axis motion
More Parallel-Kinematics 6-Axis Positioners from PI miCos
SpaceFAB 6-axis precision motorized positioner for vacuum

SpaceFAB Parallel-Kinematics Positioners

PImiCos offers additional parallel-kinematic six-axis positioning systems for larger travel ranges, flexible configurations and vacuum-compatible applications.

  • Flexible arrangement and easy customization
  • Long linear travel ranges
  • Many drive and motor options
  • Ultra-high-vacuum versions to 10-9 mbar
Application Example in X-Ray Diffraction Imaging

Miniature hexapod specifications vary by configuration. Consult the linked datasheets and product pages for detailed drawings, controller options and vacuum compatibility.