Editorial Technical Reference

Precision Optical Lens Centering Machine

This page explains how Precision Optical Lens Centering Machine is classified within Manufacture of Optical Instruments and Photographic Equipment. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

The Precision Optical Lens Centering Machine is a specialized industrial device used in the manufacture of optical instruments and photographic equipment.

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Product Specifications

Technical details and manufacturing context for Precision Optical Lens Centering Machine

Definition
The Precision Optical Lens Centering Machine is a specialized industrial device used in the manufacture of optical instruments and photographic equipment. Its primary function is to align the optical axis of a lens with its mechanical mounting axis, a critical step in producing high-quality optical assemblies. Precise centering directly affects image quality and overall system performance, making this machine essential for manufacturers supplying professional cameras, medical imaging devices, and scientific instruments.

The machine integrates measurement, adjustment, and verification in a single automated workflow. It employs interferometric or autocollimation measurement techniques to detect deviations of the optical axis. Controlled mechanical pressure or thermal adjustment is then applied to reposition lens elements within their mounts until the optical and mechanical axes are aligned within specified tolerances.

Key specifications include a centering accuracy of ±0.005 arcseconds, a lens diameter range of 5–300 mm, and a measurement resolution of 0.0001 microns. The maximum adjustment force is 500 N, and the cycle time per lens element ranges from 10 to 30 seconds. The machine operates within an ambient temperature range of 10–40 °C, with a spindle speed adjustable from 100 to 3000 rpm. It requires a single-phase 220 V AC (±10%) power supply at 50/60 Hz and clean dry air at 0.5–0.7 MPa. The machine weighs approximately 1200 kg and has a footprint of 1500×1200×1800 mm (L×W×H). Its ingress protection rating is IP54 per IEC 60529.

Constructed with a granite base, stainless steel 304 components, precision ceramic bearings, and optical glass reference surfaces, the machine ensures stability and accuracy. These materials contribute to thermal stability and vibration damping, which are crucial for achieving the required precision.

This equipment is intended for B2B supply chains, enabling manufacturers to meet tight tolerances required for advanced optical systems. It is a capital investment that requires careful selection based on specific production needs. Buyers should verify model-specific values and standards with the legal manufacturer or supplier, as the specifications provided are reference ranges and may vary by configuration. The machine is not a consumer product but a professional tool for industrial use.
Working Principle
The machine uses interferometric or autocollimation measurement to detect optical axis deviation. A light beam is directed through the lens, and the reflected or transmitted pattern is analyzed to determine the axis position. If deviation is detected, the machine applies controlled mechanical pressure or thermal adjustment to reposition the lens elements within their mounts. This process is repeated iteratively until the optical and mechanical axes are aligned within the specified tolerance of ±0.005 arcseconds. The system integrates measurement, adjustment, and verification in a single automated workflow, ensuring consistent and repeatable results.
Common Materials
Stainless Steel 304, Granite Base, Precision Ceramic Bearings, Optical Glass Reference Surfaces
Technical Parameters
ParameterTypical rangeNotes & selection driver
Centering AccuracyRequired±0.005 arcsecondsMaximum residual angular deviation after alignment
Lens Diameter RangeRequired5–300 mmMinimum and maximum lens diameters the machine can process
Measurement ResolutionRequired0.0001 micronsSmallest detectable displacement of optical axis
Maximum Adjustment ForceRequired500 NMaximum mechanical force applied during alignment process
Cycle TimeRequired10–30 secondsAverage time to complete alignment for one lens element
Operating Temperature Range10–40 °CAmbient temperature range for specified accuracy
Spindle Speed100–3000 rpmAdjustable for different lens types
Power Supply220 ±10% V ACSingle phase, 50/60 Hz
Air Supply Pressure0.5–0.7 MPaClean dry air required
Machine Weight1200 kgApproximate, depending on configuration
Footprint (L×W×H)1500×1200×1800 mmWithout optional accessories
Ingress Protection RatingIP54Protection against dust and splashing waterIEC 60529

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
  • Interferometric Measurement Head
    Measures optical axis position relative to mechanical reference
    Material: Stainless Steel with Optical Coatings
  • Precision Rotary Chuck
    Holds and rotates lens element during measurement and adjustment
    Material: Hardened Steel with Ceramic Bearings
  • Micro-Adjustment Mechanism
    Applies controlled force to reposition lens within mount
    Material: Precision Ground Steel with Piezoelectric Actuators
  • Granite Base Plate Part
    Provides vibration-damped stable platform for precision measurements
    Material: Grade AA Granite
  • Automated Lens Loader Optional
    Automatically feeds lens elements into processing position
    Material: Anodized Aluminum

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Precision Optical Lens Centering Machine.

Optical Lens Centering System Lens Axis Alignment Machine Optical Element Centering Equipment

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (no pressure requirements)
other spec: Clean room class ISO 5-7, vibration isolation <0.5μm, humidity 40-60% RH
temperature: 15-25°C (controlled environment)
Media Compatibility
✓ Optical glass lenses (BK7, SF11) ✓ Crystal lenses (CaF2, fused silica) ✓ Polymer lenses (PMMA, polycarbonate)
Unsuitable: Abrasive slurry environments or conductive metal dust
Sizing Data Required
  • Lens diameter range (mm)
  • Centering accuracy requirement (μm)
  • Production throughput (lenses/hour)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Precision Bearing Degradation
Cause: Contamination from dust or debris entering the bearing housing, leading to increased friction, vibration, and eventual wear or seizure of the high-precision bearings critical for lens alignment accuracy.
Optical Sensor Calibration Drift
Cause: Thermal expansion/contraction from ambient temperature fluctuations or internal heat generation, causing misalignment of optical sensors and lasers used for centering measurements, resulting in inaccurate lens positioning.
Maintenance Indicators
  • Audible high-frequency whining or grinding noise from the spindle assembly during operation
  • Visual misalignment or wobble in the lens chuck or centering mechanism during rotation
Engineering Tips
  • Implement strict cleanroom protocols and positive air pressure in the machine enclosure to prevent particulate contamination of bearings and optical components.
  • Install and maintain a dedicated temperature-controlled cooling system with thermal sensors to stabilize the operating environment within ±0.5°C of the machine's design specification.

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 10110-7:2017 (Optics and photonics - Preparation of drawings for optical elements and systems - Part 7: Surface imperfection tolerances) ANSI/ASME B46.1-2019 (Surface Texture, Surface Roughness, Waviness, and Lay) DIN 3140-7:2006 (Optics and optical instruments - Preparation of drawings for optical elements and systems - Part 7: Surface imperfection tolerances)

Quoted from the published standard.

Manufacturing Precision
  • Centering error: ≤ 0.005 mm
  • Surface roughness: Ra ≤ 0.02 μm
Quality Inspection
  • Interferometric surface flatness test
  • Coordinate measuring machine (CMM) geometric accuracy verification

Manufacturers of Precision Optical Lens Centering Machine

Manufacturer profiles associated with Precision Optical Lens Centering Machine.

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Frequently Asked Questions

What is the primary function of this machine?

The machine aligns the optical axis of a lens with its mechanical mounting axis, ensuring precise centering for high-quality optical assemblies.

What measurement techniques does it use?

It uses interferometric or autocollimation measurement to detect optical axis deviation with high resolution.

What is the centering accuracy?

The maximum residual angular deviation after alignment is ±0.005 arcseconds, as specified in the reference data.

What are the environmental requirements?

The machine operates in an ambient temperature range of 10–40 °C and requires clean dry air at 0.5–0.7 MPa. It has an IP54 rating for dust and water splash protection.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

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

Preliminary Technical Classification
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