---
title: "Armature Assembly"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ARMATURE_ASSEMBLY"
  data_integrity_hash: "53d3860e4b57bcceacdbf07427fb2ffa"
  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:ARMATURE_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/armature-assembly.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/armature-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-10000 rpm rotational speed, 0.1-5.0 mm displacement amplitude, -20°C to 120°C operating temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 12000
    unit: "rpm"
    consequence: "Lorentz force (F = BIL sinθ) electromagnetic interaction failure due to demagnetization at Curie temperature, centrifugal force (F = mω²r) exceeding yield strength of 350 MPa steel, bearing clearance violation causing Hertzian contact stress exceeding 1.5 GPa"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electromagnetic imbalance from 5%+ winding asymmetry creating 2.5 kN lateral force"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Precision winding with &lt;1% asymmetry tolerance and dynamic balancing to ISO 1940 G2.5 standard"
  - node_2:
      trigger: "Core saturation at 1.8 T flux density exceeding silicon steel saturation point"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Laminated core design with 0.35 mm M-19 silicon steel sheets and 3% silicon content"
bom_nodes:
  armature-shaft:
    type: "component"
    urn: "URN:CNFX:ME:ARMATURE_SHAFT"
    interface_type: "physical-logic-coupled"
  armature-core:
    type: "component"
    urn: "URN:CNFX:ME:ARMATURE_CORE"
    interface_type: "physical-logic-coupled"
  armature-windings:
    type: "component"
    urn: "URN:CNFX:ME:ARMATURE_WINDINGS"
    interface_type: "physical-logic-coupled"
  balancing-rings:
    type: "component"
    urn: "URN:CNFX:ME:BALANCING_RINGS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 1940-1:2003 (BALANCE QUALITY REQUIREMENTS FOR ROTORS IN A CONSTANT STATE)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 743-1:2012 (CALCULATION OF LOAD CAPACITY OF SHAFTS AND AXLES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/armature-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "12b6e9b59f1cc7771cbe8e47c21ecef68f7a4fcb8f9925ffb620b06dba9cfa4c"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Armature Assembly

## 1. Technical Definition
The rotating component of a vibration exciter that generates mechanical vibration through electromagnetic interaction.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-10000 rpm rotational speed, 0.1-5.0 mm displacement amplitude, -20°C to 120°C operating temperature**. Failure boundary: **Exceeds 12000 rpm centrifugal force causing permanent deformation, exceeds 150°C Curie temperature demagnetizing permanent magnets, exceeds 7.0 mm displacement amplitude causing bearing seizure**, Mechanism: **Lorentz force (F = BIL sinθ) electromagnetic interaction failure due to demagnetization at Curie temperature, centrifugal force (F = mω²r) exceeding yield strength of 350 MPa steel, bearing clearance violation causing Hertzian contact stress exceeding 1.5 GPa**.

### 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 |
| :--- | :--- | :--- | :--- |
| Electromagnetic imbalance from 5%+ winding asymmetry creating 2.5 kN lateral force | 8 | Bearing raceway spalling at 10⁷ stress cycles due to modified Palmgren-Miner rule cumulative damage | Precision winding with &lt;1% asymmetry tolerance and dynamic balancing to ISO 1940 G2.5 standard |
| Core saturation at 1.8 T flux density exceeding silicon steel saturation point | 8 | Eddy current heating reaching 180°C causing insulation class H (180°C) breakdown | Laminated core design with 0.35 mm M-19 silicon steel sheets and 3% silicon content |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Vibration Controller**, **Power Amplifier**, **Cooling System**  
**Downstream Applications**: Vibration Testing Systems, Material Fatigue Testers, Structural Analysis Equipment  

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

### Q: What materials are used in this armature assembly for optimal performance?
**A**: This armature assembly uses electrical steel laminations for efficient magnetic flux, copper windings for maximum conductivity, and a high-strength steel shaft for durability in demanding vibration applications.

### Q: How does the armature assembly generate vibration in machinery equipment?
**A**: The armature assembly rotates within the vibration exciter, creating electromagnetic interaction that converts electrical energy into precise mechanical vibration for industrial testing and material processing applications.

### Q: What components are included in the armature assembly BOM?
**A**: The bill of materials includes the armature shaft, armature core, armature windings, and balancing rings, all engineered to work together for smooth operation and consistent vibration output.

## 6. Manufacturing Compliance
- ISO 1940-1:2003 (BALANCE QUALITY REQUIREMENTS FOR ROTORS IN A CONSTANT STATE)
- DIN 743-1:2012 (CALCULATION OF LOAD CAPACITY OF SHAFTS AND AXLES)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Armature Assembly](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/armature-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**: ARMATURE_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: fe83fe39
