Industry-Verified Manufacturing Data (2026)

Lens Mounting Fixture

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Lens Mounting Fixture used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Lens Mounting Fixture is characterized by the integration of Collet Chuck and Mounting Plate. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision fixture designed to securely hold and position optical lenses during polishing operations.

Product Specifications

Technical details and manufacturing context for Lens Mounting Fixture

Definition
A specialized component within the Polishing Spindle Assembly that provides a stable, accurate mounting platform for optical lenses. It ensures precise alignment and secure clamping of lenses during the polishing process to achieve required surface finishes and optical specifications.
Working Principle
The fixture typically uses mechanical clamping mechanisms (such as collets, vacuum chucks, or precision jaws) to securely hold the lens periphery or edge. It interfaces with the polishing spindle to maintain consistent positioning and orientation throughout the polishing cycle, allowing for controlled material removal and surface refinement.
Common Materials
Stainless Steel, Aluminum Alloy, Precision Ceramic
Technical Parameters
  • Maximum lens diameter capacity (mm) Standard Spec
Components / BOM
  • Collet Chuck
    Provides concentric clamping force around lens periphery
    Material: Stainless Steel
  • Mounting Plate
    Interface between fixture and polishing spindle
    Material: Aluminum Alloy
  • Alignment Pins
    Ensures precise angular positioning of lens
    Material: Hardened Steel
Engineering Reasoning
0.1-5.0 N·m clamping torque, ±0.005 mm positional tolerance, 20-80°C operating temperature
Clamping torque exceeds 8.0 N·m causing lens deformation, positional error exceeds ±0.015 mm, temperature exceeds 120°C causing thermal expansion mismatch
Design Rationale: Excessive Hertzian contact stress exceeding 1.2 GPa at lens-fixture interface causing micro-cracking, differential thermal expansion between Invar fixture (α=1.2×10⁻⁶/°C) and borosilicate lens (α=3.3×10⁻⁶/°C) inducing shear stresses
Risk Mitigation (FMEA)
Trigger Accumulated polishing slurry particles (SiO₂, CeO₂) at clamping interface
Mode: Lens surface scratching (Ra > 0.02 μm) and positional drift exceeding ±0.01 mm
Strategy: Integrated ultrasonic cleaning system (40 kHz, 100 W) with automated particle detection (<5 μm threshold)
Trigger Thermal cycling between polishing cycles (ΔT=60°C) at 15 cycles/hour
Mode: Fixture reference surface warpage exceeding 0.003 mm flatness deviation
Strategy: Monolithic Invar-36 construction with active thermal stabilization (±0.5°C) using Peltier elements

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Lens Mounting Fixture.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max 0.5 MPa clamping pressure, 0.1-0.3 MPa typical polishing pressure
other spec: Slurry concentration: 5-20% abrasive by weight, Max lens diameter: 200mm, Vibration tolerance: <5μm RMS
temperature: 15-35°C (operating), -10 to 60°C (storage)
Media Compatibility
✓ Cerium oxide polishing slurry ✓ Diamond abrasive suspension ✓ Silica-based colloidal polishing compounds
Unsuitable: Hydrofluoric acid or strong alkaline cleaning solutions
Sizing Data Required
  • Lens diameter and curvature radius
  • Required positional accuracy (microns)
  • Polishing machine interface specifications

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Misalignment-induced stress cracking
Cause: Improper lens seating during mounting creates uneven pressure distribution, leading to micro-fractures in the fixture material, especially at stress concentration points like mounting holes or edges.
Thread galling or stripping
Cause: Repeated tightening/loosening cycles with inadequate lubrication or using incorrect torque values causes wear on threaded components, eventually leading to loss of clamping force or complete thread failure.
Maintenance Indicators
  • Visible lens wobble or play when mounted, indicating loss of precise alignment or clamping force
  • Audible clicking or grinding sounds during lens insertion/removal, suggesting worn or damaged mating surfaces
Engineering Tips
  • Implement torque-controlled tightening procedures using calibrated tools to ensure consistent, manufacturer-specified clamping force without overstressing components
  • Establish regular cleaning and inspection protocols for all contact surfaces, using appropriate optical-grade lubricants on moving parts to prevent abrasive wear and corrosion

Compliance & Manufacturing Standards

Reference Standards
ISO 10110-7:2017 (Optics and photonics - Preparation of drawings for optical elements and systems - Surface imperfection tolerances) ANSI/ASME B46.1-2019 (Surface Texture, Surface Roughness, Waviness, and Lay) DIN 3140-1:2015 (Optics and optical instruments - Mounting of optical elements - Part 1: General principles)
Manufacturing Precision
  • Bore concentricity: +/-0.01mm
  • Mounting surface flatness: 0.005mm
Quality Inspection
  • Coordinate Measuring Machine (CMM) dimensional verification
  • Interferometric surface flatness testing

Factories Producing Lens Mounting Fixture

Verified manufacturers with capability to produce this product in China

✓ 98% Supplier Capability Match Found

S Sourcing Manager from Singapore Feb 25, 2026
★★★★★
"Great transparency on the Lens Mounting Fixture components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."
Technical Specifications Verified
P Procurement Specialist from Germany Feb 22, 2026
★★★★☆
"The Lens Mounting Fixture we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Brazil Feb 19, 2026
★★★★★
"Found 54+ suppliers for Lens Mounting Fixture on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

15 sourcing managers are analyzing this specification now. Last inquiry for Lens Mounting Fixture from India (1h ago).

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Frequently Asked Questions

What materials are used in this lens mounting fixture?

The fixture is constructed from stainless steel for durability, aluminum alloy for lightweight stability, and precision ceramic components for optimal lens contact and thermal resistance during polishing operations.

How does this fixture ensure precise lens positioning during polishing?

It features alignment pins for accurate placement, a collet chuck for secure lens gripping, and a mounting plate that maintains consistent positioning throughout the polishing process to achieve optical-grade surface finishes.

Is this fixture suitable for high-volume optical manufacturing?

Yes, the robust construction and precision components make it ideal for repetitive polishing operations in computer, electronic, and optical product manufacturing environments where consistent lens quality is critical.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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