---
title: "Impeller/Blade Assembly"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:IMPELLERBLADE_ASSEMBLY"
  data_integrity_hash: "8e9379963fedf19fce0e469a193f64b3"
  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:IMPELLERBLADE_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/impellerblade-assembly.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/impellerblade-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "1500-3600 RPM at 0.5-2.0 m³/s airflow"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 250
    unit: "MPa"
    consequence: "High-cycle fatigue from cyclic bending stresses exceeding 10⁷ cycles at resonance frequencies between 85-120 Hz"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Imbalance mass of 0.5 g at 50 mm radius"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dynamic balancing to ISO 1940 G2.5 grade with residual unbalance &lt; 1 g·mm/kg"
  - node_2:
      trigger: "Corrosive chloride concentration &gt; 25 ppm in ambient air"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "316L stainless steel material with 3 μm PVD TiN coating"
bom_nodes:
  blades:
    type: "component"
    urn: "URN:CNFX:ME:BLADES"
    interface_type: "physical-logic-coupled"
  hubcenter-plate:
    type: "part"
    urn: "URN:CNFX:ME:HUBCENTER_PLATE"
    interface_type: "physical-logic-coupled"
  blade-retainers:
    type: "component"
    urn: "URN:CNFX:ME:BLADE_RETAINERS"
    interface_type: "physical-logic-coupled"
  balance-weights:
    type: "component"
    urn: "URN:CNFX:ME:BALANCE_WEIGHTS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 1940-1:2003 (BALANCE QUALITY REQUIREMENTS FOR ROTORS)"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN ISO 12100:2010 (SAFETY OF MACHINERY - GENERAL PRINCIPLES FOR DESIGN)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/impellerblade-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "01eb016bd9c3b0d30a5ec20c020c3656487506f960b5077c3e497cfa554d3405"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Impeller/Blade Assembly

## 1. Technical Definition
The rotating assembly that generates airflow in a circulation fan

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **1500-3600 RPM at 0.5-2.0 m³/s airflow**. Failure boundary: **Material yield strength of 250 MPa exceeded at 4200 RPM centrifugal stress**, Mechanism: **High-cycle fatigue from cyclic bending stresses exceeding 10⁷ cycles at resonance frequencies between 85-120 Hz**.

### 2.1 Analytical Physics Model
Governed by the **L10 Bearing Life & Fatigue Model**:

> **Primary Equation**: $L_{10} = (\frac{C}{P})^p$  
> **Engineering Impact**: Predicts mechanical lifecycle before component fatigue.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| C | Dynamic Load Rating | Engineering Constant |
| P | Equivalent Dynamic Load | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Imbalance mass of 0.5 g at 50 mm radius | 8 | Vibration amplitude exceeding 2.5 mm/s RMS at 1× rotational frequency | Dynamic balancing to ISO 1940 G2.5 grade with residual unbalance &lt; 1 g·mm/kg |
| Corrosive chloride concentration &gt; 25 ppm in ambient air | 8 | Pitting corrosion depth &gt; 0.1 mm reducing fatigue strength by 40% | 316L stainless steel material with 3 μm PVD TiN coating |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Hub/Center Plate](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/hubcenter-plate.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Balancing Machine**, **Dynamic Testing Rig**, **Automated Assembly Line**  
**Downstream Applications**: Industrial Ventilation Fans, HVAC Air Handling Units, Agricultural Crop Dryers  

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

### Q: What materials are available for the impeller/blade assembly?
**A**: Our assemblies are crafted from aluminum alloy, stainless steel, engineering plastics, or carbon fiber composites, chosen for strength, corrosion resistance, and lightweight performance in industrial settings.

### Q: What components are included in the BOM for this assembly?
**A**: The bill of materials includes blades, a hub/center plate, blade retainers, and balance weights, ensuring a complete, balanced rotating assembly for optimal airflow generation.

### Q: How does this assembly improve fan efficiency?
**A**: Precision-engineered blades and balanced components reduce vibration and energy loss, enhancing airflow output and longevity in machinery and equipment manufacturing applications.

## 6. Manufacturing Compliance
- ISO 1940-1:2003 (BALANCE QUALITY REQUIREMENTS FOR ROTORS)
- DIN EN ISO 12100:2010 (SAFETY OF MACHINERY - GENERAL PRINCIPLES FOR DESIGN)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Impeller/Blade Assembly](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/impellerblade-assembly)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: IMPELLERBLADE_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 1d77ac8e
