Lens Fixture/Chuck for Automated Metrology

Product Specifications

Technical details and manufacturing context for Lens Fixture/Chuck

Definition

The Lens Fixture/Chuck is a precision mechanical component used within an Automated Metrology Module. Its primary function is to securely clamp, center, and present optical lenses or lens assemblies to the module's measurement sensors. This ensures repeatable positioning and eliminates movement during high-precision dimensional, surface, or optical property inspections. The fixture typically employs a mechanical, pneumatic, or vacuum-based clamping mechanism to grip the lens periphery or a dedicated mounting surface without damaging the optical elements. It interfaces with the module's motion system to present the lens at the correct focal plane and orientation for metrology sensors such as vision systems, laser scanners, or interferometers. The device is available in materials including stainless steel, aluminum alloy, and engineering plastics like PEEK. Key parameters include a clamping diameter range of 5–100 mm, clamping force of 10–200 N, positioning repeatability of ±0.005 mm, radial runout ≤0.01 mm, axial runout ≤0.01 mm, operating pressure of 0.4–0.6 MPa, operating temperature range of 10–40 °C, ingress protection rating of IP54–IP65 (per IEC 60529), and weight of 0.5–5 kg. These values are reference ranges and must be verified for the specific model and application. The Lens Fixture/Chuck is critical for consistent measurement results in optical manufacturing quality control. It is designed for integration into automated systems, and its selection depends on lens size, material, and required precision. Maintenance signals include wear on clamping surfaces, loss of repeatability, or contamination. Failure boundaries include exceeding specified clamping force or operating outside temperature limits. Always confirm model-specific specifications and standards with the legal manufacturer or supplier.

Working Principle

The Lens Fixture/Chuck operates by using a mechanical, pneumatic, or vacuum-based clamping mechanism to grip the lens securely without causing damage. It centers the lens and presents it to the measurement sensors at the correct focal plane and orientation. The fixture interfaces with the module's motion system to ensure precise positioning. Clamping force is adjustable, typically ranging from 10 to 200 N, and is higher for larger lenses. The device maintains repeatable positioning with a repeatability of ±0.005 mm, ensuring consistent measurement results. The operating pressure for pneumatic actuation is 0.4–0.6 MPa; below 0.4 MPa, clamping may be insufficient. The fixture is designed to operate within a temperature range of 10–40 °C to maintain dimensional stability.

Common Materials

Stainless Steel, Aluminum Alloy, Engineering Plastic (e.g., PEEK)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Clamping Diameter Range	5–100 mm	Range of lens diameters the chuck can accommodate
Clamping Force	10–200 N	Adjustable; higher force for larger lenses
Positioning Repeatability	±0.005 mm	Critical for consistent measurement results
Radial Runout	≤0.01 mm	Ensures lens centering accuracy
Axial Runout	≤0.01 mm	Ensures lens surface perpendicularity
Operating Pressure	0.4–0.6 MPa	Pneumatic actuation; below 0.4 MPa insufficient clamping
Operating Temperature Range	10–40 °C	Maintains dimensional stability of chuck and lens
Ingress Protection Rating	IP54–IP65	Protection against dust and water splashesIEC 60529
Material	Stainless steel / Aluminum	Corrosion-resistant; aluminum for lightweight
Weight	0.5–5 kg	Depends on size and material

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

Collet / Jaw Set Part
The interchangeable contact surfaces that directly grip the lens. Often made of soft, non-marring material.

Material: Delrin, Rubber, or Soft Metal Alloy
Actuation Mechanism
The system (pneumatic cylinder, motor, manual lever) that opens and closes the collet/jaws.

Material: Steel, Aluminum
Mounting Plate/Adapter Part
Interface that connects the fixture to the Automated Metrology Module's motion stage.

Material: Aluminum Alloy or Stainless Steel
Vacuum Chuck Optional
Holds the lens by suction on its flat face, where jaws would mark the optical surface.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Lens Fixture/Chuck.

Applied To / Applications

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

Automated Metrology Module

View system integration details

Manufacturers of Lens Fixture/Chuck

Manufacturer profiles associated with Lens Fixture/Chuck.

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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 10 September 2026

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

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Manufacturing capability

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Frequently Asked Questions

What is the primary function of a Lens Fixture/Chuck?

The primary function is to securely clamp, center, and present optical lenses or lens assemblies to measurement sensors in an automated metrology module, ensuring repeatable positioning and preventing movement during inspections.

What clamping mechanisms are used?

The fixture typically uses mechanical, pneumatic, or vacuum-based clamping mechanisms to grip the lens periphery or a dedicated mounting surface without damaging the optical elements.

What are the key parameters to consider?

Key parameters include clamping diameter range (5–100 mm), clamping force (10–200 N), positioning repeatability (±0.005 mm), radial and axial runout (≤0.01 mm), operating pressure (0.4–0.6 MPa), operating temperature range (10–40 °C), ingress protection (IP54–IP65), and weight (0.5–5 kg). These are reference ranges and must be verified for the specific model.

How should I verify the suitability of a Lens Fixture/Chuck?

You should confirm model-specific specifications, including clamping range, force, repeatability, and standards compliance, with the legal manufacturer or supplier. Also, consider the lens size, material, and required precision for your application.

Data Basis

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

Preliminary Technical Classification

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pressure:	0 to 2 bar
other spec:	Max lens diameter: 150mm, Positioning accuracy: ±5μm, Vibration tolerance: <0.5g RMS
temperature:	-20°C to +80°C

Lens Fixture/Chuck

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards