---
title: "Reference Standard Holder"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:REFERENCE_STANDARD_HOLDER"
  data_integrity_hash: "01e276529f6c1def38d108c70624544f"
  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:REFERENCE_STANDARD_HOLDER"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/reference-standard-holder.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/reference-standard-holder"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-50 N clamping force, 0.001-0.1 mm positional tolerance, -20°C to 80°C temperature range"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 60
    unit: "N"
    consequence: "Yield strength of 6061-T6 aluminum (276 MPa) exceeded at 60 N clamping force, thermal expansion coefficient of 23.6×10⁻⁶/°C for aluminum causing dimensional instability, surface wear coefficient exceeding 5×10⁻⁶ mm³/N·m"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Thermal cycling between -20°C and 80°C at 10 cycles/hour"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement invar alloy (1.2×10⁻⁶/°C expansion coefficient) inserts at clamping interfaces"
  - node_2:
      trigger: "Vibration at 100-500 Hz frequency with 0.5 g acceleration"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrate piezoelectric force sensors with 0.1 N resolution and active damping at 250 Hz natural frequency"
bom_nodes:
  base-plate:
    type: "component"
    urn: "URN:CNFX:ME:BASE_PLATE"
    interface_type: "physical-logic-coupled"
  clamping-mechanism:
    type: "part"
    urn: "URN:CNFX:ME:CLAMPING_MECHANISM"
    interface_type: "physical-logic-coupled"
  alignment-pins:
    type: "component"
    urn: "URN:CNFX:ME:ALIGNMENT_PINS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/reference-standard-holder.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "9cef678bcd6dcfd9c4d6dd6ff39a979a17b6299fc107269e1a77aed5764f2d19"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Reference Standard Holder

## 1. Technical Definition
A specialized fixture designed to securely position and maintain reference standards during calibration or measurement processes.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-50 N clamping force, 0.001-0.1 mm positional tolerance, -20°C to 80°C temperature range**. Failure boundary: **Clamping force exceeds 60 N causing plastic deformation, positional deviation exceeds 0.15 mm, temperature exceeds 100°C causing thermal expansion beyond 0.2 mm**, Mechanism: **Yield strength of 6061-T6 aluminum (276 MPa) exceeded at 60 N clamping force, thermal expansion coefficient of 23.6×10⁻⁶/°C for aluminum causing dimensional instability, surface wear coefficient exceeding 5×10⁻⁶ mm³/N·m**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Thermal cycling between -20°C and 80°C at 10 cycles/hour | 8 | Reference standard positional drift exceeding 0.15 mm due to differential thermal expansion | Implement invar alloy (1.2×10⁻⁶/°C expansion coefficient) inserts at clamping interfaces |
| Vibration at 100-500 Hz frequency with 0.5 g acceleration | 8 | Clamping force reduction to 30 N due to resonant loosening | Integrate piezoelectric force sensors with 0.1 N resolution and active damping at 250 Hz natural frequency |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Coordinate Measuring Machine**, **Laser Interferometer**, **Surface Plate**  
**Downstream Applications**: Calibrated Micrometers, Certified Gauge Blocks, Precision Calipers  

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

### Q: What materials are used in the Reference Standard Holder and why?
**A**: The holder uses stainless steel for durability and corrosion resistance, aluminum alloy for lightweight stability, and ceramic composite for thermal stability and minimal expansion during precise measurements.

### Q: How does the clamping mechanism ensure secure positioning during calibration?
**A**: The clamping mechanism provides adjustable, vibration-resistant pressure to hold reference standards firmly in place without deformation, ensuring repeatable accuracy during calibration processes.

### Q: What industries benefit most from using this Reference Standard Holder?
**A**: Machinery and equipment manufacturing, precision engineering, metrology labs, and quality control departments benefit from its ability to maintain measurement traceability and calibration accuracy.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Reference Standard Holder](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/reference-standard-holder)**

### 🌐 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**: REFERENCE_STANDARD_HOLDER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: a41624a7
