Editorial Technical Reference

Precision XY Positioning Stage

This page explains how Precision XY Positioning Stage is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A high-precision mechanical platform that provides controlled movement along X and Y axes for positioning optical components during inspection and measurement.

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Precision XY Positioning Stage in a manufacturing environment
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Product Specifications

Technical details and manufacturing context for Precision XY Positioning Stage

Definition
The Precision XY Positioning Stage is a critical component within the Precision Optical Lens Inspection and Measurement System, responsible for accurately positioning lenses or optical assemblies in two-dimensional space. It enables precise alignment and scanning motions required for automated optical inspection, measurement of lens parameters (such as focal length, curvature, and surface defects), and quality control verification. The stage's movements are precisely controlled to ensure repeatable positioning with micron-level accuracy.

The stage operates using precision linear guides or air bearings for smooth motion, driven by servo motors or stepper motors with high-resolution encoders for position feedback. A motion controller receives positioning commands from the inspection system's software and drives the motors to move the platform to specified X and Y coordinates. The system may use closed-loop control with position sensors to achieve and maintain the required positioning accuracy.

Typical specifications include travel ranges from 25 to 200 mm in both X and Y axes, with resolution from 0.1 to 1 µm. Unidirectional repeatability is ±0.5 to ±2 µm per ISO 230-2, and position accuracy is ±2 to ±5 µm per ISO 230-2. Straightness and flatness are each ±1 to ±3 µm per axis over full travel. Maximum speed ranges from 10 to 50 mm/s, and load capacity is 5 to 20 kg horizontally (lower vertically). Drive types include stepper or DC servo motors, with motor voltage of 24 to 48 V DC. Operating temperature is 10 to 40 °C (non-condensing), and ingress protection is IP40 to IP54 per IEC 60529. Stage weight ranges from 5 to 15 kg depending on travel and load capacity.

Materials used include aluminum alloy, stainless steel, and ceramic bearings. These specifications are reference ranges; actual values must be confirmed with the manufacturer for the specific model and application. The stage is intended for integration into optical inspection systems, and its performance should be verified against the system's requirements.
Working Principle
The stage operates using precision linear guides or air bearings for smooth motion, driven by servo motors or stepper motors with high-resolution encoders for position feedback. A motion controller receives positioning commands from the inspection system's software and drives the motors to move the platform to specified X and Y coordinates. The system may use closed-loop control with position sensors to achieve and maintain the required positioning accuracy.
Common Materials
Aluminum alloy, Stainless steel, Ceramic bearings
Technical Parameters
ParameterTypical rangeNotes & selection driver
Travel Range X25–200 mmStandard range; custom travel available
Travel Range Y25–200 mmStandard range; custom travel available
Resolution0.1–1 µmClosed-loop encoder resolution
Unidirectional Repeatability±0.5–±2 µmPer ISO 230-2ISO 230-2
Position Accuracy±2–±5 µmFull travel accuracyISO 230-2
Straightness±1–±3 µmPer axis over full travel
Flatness±1–±3 µmPer axis over full travel
Maximum Speed10–50 mm/sDepends on load and motor
Load Capacity5–20 kgHorizontal load; vertical load lower
Drive TypeStepper/DC servoChoose based on speed and precision
Motor Voltage24–48 V DCFor stepper or servo motor
Operating Temperature10–40 °CNon-condensing
Ingress ProtectionIP40–IP54Higher IP for harsh environmentsIEC 60529
Stage Weight5–15 kgDepends on travel and load capacity

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
  • Base Plate Part
    Provides rigid foundation and mounting surface for all stage components
    Material: Granite or aluminum alloy
  • Linear Guides
    Enable smooth, low-friction motion along X and Y axes with high precision
    Material: Stainless steel with ceramic balls
  • Drive Motors
    Provide controlled motion through servo or stepper mechanisms
    Material: Various (typically includes copper windings, permanent magnets)
  • Position Encoders
    Provide precise position feedback to the motion control system
    Material: Glass scale with optical sensors or magnetic encoders
  • Moving Platform
    Surface where optical components are mounted for inspection
    Material: Aluminum alloy with mounting holes
  • Motion Controller
    Takes coordinates from the inspection software and drives the motors to them.
  • Air Bearings Optional
    Provide frictionless guidance instead of rolling guides on air-bearing versions.

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (non-pressure rated)
other spec: Max velocity: 200 mm/s, Max acceleration: 2 m/s², Vibration tolerance: <0.5 g RMS
temperature: 10°C to 40°C (operating), -10°C to 60°C (storage)
Media Compatibility
✓ Cleanroom air environments ✓ Optical component mounting ✓ Laboratory-grade surfaces
Unsuitable: High particulate or abrasive dust environments
Sizing Data Required
  • Required travel range (X and Y axes)
  • Positioning accuracy/repeatability specification
  • Maximum payload capacity

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Linear Bearing Wear
Cause: Contamination ingress (dust, debris) causing abrasive wear, or insufficient lubrication leading to metal-on-metal contact and increased friction.
Ball Screw Backlash or Binding
Cause: Misalignment during installation or thermal expansion, or contamination/wear in the ball nut recirculation system causing jamming or loss of precision.
Maintenance Indicators
  • Audible grinding, clicking, or squealing noises during movement, indicating bearing wear or contamination.
  • Visible position drift, repeatability errors, or increased vibration during operation, signaling mechanical wear or servo system issues.
Engineering Tips
  • Implement a strict contamination control protocol: use cleanroom wipes, enclosures, and positive air pressure to prevent abrasive particles from entering the stage mechanism.
  • Establish a predictive maintenance schedule using vibration analysis and laser interferometry to detect early signs of wear or misalignment before catastrophic failure occurs.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 230-2:2014 (Geometric accuracy of machine tools) ANSI/ASME B5.54-2005 (Methods for performance evaluation of computer numerically controlled machining centers) DIN 876-1:1999 (Straightedges and squares; technical delivery conditions)

Quoted from the published standard.

Manufacturing Precision
  • Positioning repeatability: +/-0.005mm
  • Straightness of travel: 0.01mm per 300mm
Quality Inspection
  • Laser interferometer positioning accuracy test
  • Coordinate measuring machine (CMM) geometric verification
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

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Manufacturers of Precision XY Positioning Stage

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Frequently Asked Questions

What is the travel range of the Precision XY Positioning Stage?

The standard travel range is 25 to 200 mm in both X and Y axes, but custom travel may be available. Confirm the exact range with the manufacturer for your specific model.

What accuracy and repeatability can be expected?

According to ISO 230-2, unidirectional repeatability is ±0.5 to ±2 µm, and position accuracy is ±2 to ±5 µm. These are reference ranges; actual performance depends on the specific configuration and must be verified with the manufacturer.

What drive types are available?

The stage can be equipped with either stepper or DC servo motors, depending on the required speed and precision. Motor voltage is typically 24 to 48 V DC. Choose based on your application's needs.

What is the load capacity?

The horizontal load capacity is 5 to 20 kg, with lower capacity for vertical loads. The exact capacity depends on the motor and configuration, so verify with the manufacturer for your specific setup.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

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

Automated Metrology Module
View system integration details

Industrial Ecosystem & Supply Chain Structure

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 12 October 2026

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