---
title: "Lens Mounting Fixture"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:LENS_MOUNTING_FIXTURE"
  data_integrity_hash: "2fc5bd655c715500cab133b9904dea08"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:LENS_MOUNTING_FIXTURE"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/lens-mounting-fixture.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/lens-mounting-fixture"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.1-5.0 NÂ·m clamping torque, Â±0.005 mm positional tolerance, 20-80Â°C operating temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 8.0
    unit: "NÂ"
    consequence: "Excessive Hertzian contact stress exceeding 1.2 GPa at lens-fixture interface causing micro-cracking, differential thermal expansion between Invar fixture (Î±=1.2Ã—10â»â¶/Â°C) and borosilicate lens (Î±=3.3Ã—10â»â¶/Â°C) inducing shear stresses"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Accumulated polishing slurry particles (SiOâ‚‚, CeOâ‚‚) at clamping interface"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated ultrasonic cleaning system (40 kHz, 100 W) with automated particle detection (&lt;5 Î¼m threshold)"
  - node_2:
      trigger: "Thermal cycling between polishing cycles (Î”T=60Â°C) at 15 cycles/hour"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Monolithic Invar-36 construction with active thermal stabilization (Â±0.5Â°C) using Peltier elements"
bom_nodes:
  collet-chuck:
    type: "part"
    urn: "URN:CNFX:ME:COLLET_CHUCK"
    interface_type: "physical-logic-coupled"
  mounting-plate:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_PLATE"
    interface_type: "physical-logic-coupled"
  alignment-pins:
    type: "component"
    urn: "URN:CNFX:ME:ALIGNMENT_PINS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 10110-7:2017 (OPTICS AND PHOTONICS - PREPARATION OF DRAWINGS FOR OPTICAL ELEMENTS AND SYSTEMS - SURFACE IMPERFECTION TOLERANCES)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B46.1-2019 (SURFACE TEXTURE, SURFACE ROUGHNESS, WAVINESS, AND LAY)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 3140-1:2015 (OPTICS AND OPTICAL INSTRUMENTS - MOUNTING OF OPTICAL ELEMENTS - PART 1: GENERAL PRINCIPLES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/lens-mounting-fixture.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "c37a96f3182a05a90018e95ca3c44af710b7f5bf49edff28607c89079a1aaf6a"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Lens Mounting Fixture

## 1. Technical Definition
A precision fixture designed to securely hold and position optical lenses during polishing operations.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-5.0 NÂ·m clamping torque, Â±0.005 mm positional tolerance, 20-80Â°C operating temperature**. Failure boundary: **Clamping torque exceeds 8.0 NÂ·m causing lens deformation, positional error exceeds Â±0.015 mm, temperature exceeds 120Â°C causing thermal expansion mismatch**, Mechanism: **Excessive Hertzian contact stress exceeding 1.2 GPa at lens-fixture interface causing micro-cracking, differential thermal expansion between Invar fixture (Î±=1.2Ã—10â»â¶/Â°C) and borosilicate lens (Î±=3.3Ã—10â»â¶/Â°C) inducing shear stresses**.

### 2.1 Analytical Physics Model
Governed by the **Rayleigh Resolution Criterion**:

> **Primary Equation**: $d = \frac{0.61 \lambda}{NA}$  
> **Engineering Impact**: Defines the theoretical limit of machine vision systems.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| \lambda | Wavelength | Engineering Constant |
| NA | Numerical Aperture | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Accumulated polishing slurry particles (SiOâ‚‚, CeOâ‚‚) at clamping interface | 8 | Lens surface scratching (Ra &gt; 0.02 Î¼m) and positional drift exceeding Â±0.01 mm | Integrated ultrasonic cleaning system (40 kHz, 100 W) with automated particle detection (&lt;5 Î¼m threshold) |
| Thermal cycling between polishing cycles (Î”T=60Â°C) at 15 cycles/hour | 8 | Fixture reference surface warpage exceeding 0.003 mm flatness deviation | Monolithic Invar-36 construction with active thermal stabilization (Â±0.5Â°C) using Peltier elements |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Collet Chuck](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/collet-chuck.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Optical Polishing Machine**, **Precision Cleaning System**, **Lens Inspection Station**  
**Downstream Applications**: Camera Lenses, Microscope Objectives, Laser Optics  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What materials are used in this lens mounting fixture?
**A**: 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.

### Q: How does this fixture ensure precise lens positioning during polishing?
**A**: 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.

### Q: Is this fixture suitable for high-volume optical manufacturing?
**A**: 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.

## 6. Manufacturing Compliance
- 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)

---
### ðŸ› ï¸ Engineering Resource Access
ðŸ”— **[Full Specification: Lens Mounting Fixture](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/lens-mounting-fixture)**

### ðŸŒ Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: LENS_MOUNTING_FIXTURE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: e9caadb3
