Precision Multi-Axis Stage

Product Specifications

Technical details and manufacturing context for Precision Multi-Axis Stage

Definition

The Precision Multi-Axis Stage is a component-level positioning device designed for use in optical assembly and testing systems, such as the Active Optical Alignment Station. It provides precise multi-axis movement—typically X, Y, Z, and rotational axes—to enable accurate alignment, focusing, and scanning of optical components. The stage achieves sub-micron positioning accuracy through a combination of precision linear and rotary actuators, driven by servo motors or piezoelectric elements, and guided by high-resolution encoders and closed-loop feedback systems. This allows for nanometer-level control in alignment tasks, critical for manufacturing and testing optical systems.

Key specifications include travel ranges of 25–100 mm in X/Y and 10–50 mm in Z, continuous 360° rotation, resolution of 0.1–1.0 μm, repeatability of ±0.5–±2.0 μm, and position accuracy of ±1–±5 μm. The stage supports centered loads up to 5–20 kg and operates in non-condensing environments between 10–40 °C, with storage from -20–60 °C. Ingress protection ratings range from IP40 to IP54 per IEC 60529, depending on configuration. The supply voltage is 24 V DC ±10%, with power consumption between 30–100 W. The stage body is typically made of Aluminum 6061 (ASTM B221), with optional stainless steel for vacuum applications. Weight varies from 5–15 kg depending on configuration.

Materials on file include aluminum alloy, stainless steel, and ceramic bearings. The stage is intended for integration into larger systems; users must verify model-specific values and standards with the legal manufacturer or supplier before procurement or use. The listed parameters are reference ranges and may vary by model and application.

Working Principle

The stage operates by converting control signals into precise mechanical motion. Servo motors or piezoelectric actuators drive linear and rotary stages, while high-resolution encoders provide real-time position feedback. A closed-loop controller compares the commanded position with the encoder reading and adjusts the actuator output to minimize error, achieving sub-micron accuracy. The mechanical design uses precision guides and bearings, such as ceramic bearings, to reduce friction and backlash. The stage supports multiple axes, each independently controlled, allowing coordinated movement for alignment tasks. The system requires a stable environment and proper mounting to maintain accuracy.

Common Materials

Aluminum alloy, Stainless steel, Ceramic bearings

Technical Parameters

Parameter	Typical range	Notes & selection driver
Travel Range (X/Y)	25–100 mm	Standard travel; custom ranges available.
Travel Range (Z)	10–50 mm	Vertical travel for focusing or alignment.
Rotation Range (θ)	360 °	Continuous rotation for azimuthal alignment.
Resolution	0.1–1.0 μm	Closed-loop encoder resolution.
Repeatability	±0.5–±2.0 μm	Unidirectional repeatability.
Position Accuracy	±1–±5 μm	Absolute accuracy over full travel.
Maximum Load	5–20 kg	Centered load capacity.
Operating Temperature	10–40 °C	Non-condensing environment.
Storage Temperature	-20–60 °C	Protect from extreme humidity.
Ingress Protection	IP40–IP54	Higher IP for cleanroom or dusty environments.IEC 60529
Supply Voltage	24 ±10% V DC	For motors and controllers.
Power Consumption	30–100 W	Depends on load and speed.
Weight	5–15 kg	Varies with configuration.
Body Material	Aluminum 6061	Optional stainless steel for vacuum.ASTM B221

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Linear Guide Rails
Provide smooth, low-friction linear motion along each axis

Material: Stainless steel
Precision Ball Screws
Convert rotary motion to precise linear movement

Material: Alloy steel
Servo Motors
Provide controlled rotational force for movement

Material: Copper windings, steel housing
Optical Encoders
Provide position feedback for closed-loop control

Material: Glass scale, photodetectors
Base Plate Part
Structural foundation providing stability and mounting points

Material: Granite or aluminum alloy
Motion Controller
Compares commanded position with encoder reading and trims the drive — the loop that makes sub-micron accuracy possible.
Precision Bearings
Low-friction bearings (often ceramic) that keep the axes free of backlash.
Piezoelectric Actuator Optional
Gives nanometre-scale travel on the fine axes, where a servo and screw cannot resolve.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Active Optical Alignment Station

View system integration details

Manufacturers of Precision Multi-Axis Stage

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Frequently Asked Questions

What is the typical application of this stage?

It is used in optical assembly and testing systems, such as active alignment stations, for precise positioning of optical components during alignment, focusing, and scanning operations.

What are the available travel ranges?

The X/Y travel range is 25–100 mm, and the Z travel range is 10–50 mm. Rotation is continuous 360°. Custom ranges may be available upon request.

What is the positioning accuracy?

Resolution is 0.1–1.0 μm, repeatability is ±0.5–±2.0 μm, and absolute accuracy over full travel is ±1–±5 μm. These are reference values; confirm with the manufacturer for specific models.

What environmental conditions are required?

Operating temperature is 10–40 °C (non-condensing), storage temperature is -20–60 °C. Ingress protection ranges from IP40 to IP54 per IEC 60529. Protect from extreme humidity.

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pressure:	Atmospheric (non-pressurized)
other spec:	Vibration tolerance: <0.5g RMS, Humidity: 10-80% non-condensing
temperature:	-10°C to 50°C

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