---
title: "Rotor"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ROTOR"
  data_integrity_hash: "a27f2d50520200c1d20b88a71774f392"
  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:ROTOR"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/rotor.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/rotor"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-15000 RPM at 0.1-100 μm radial runout tolerance"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 15000
    unit: "RPM"
    consequence: "Centrifugal force-induced elastic deformation exceeding material yield strength (σ_y &gt; 250 MPa for 17-4PH stainless steel) at critical rotational velocity"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electrostatic discharge &gt;15 kV during assembly contaminating Hall-effect sensor elements"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "ESD-protected cleanroom assembly with ionized air curtains and conductive wrist straps"
  - node_2:
      trigger: "Thermal expansion mismatch (Δα=12×10^-6 K^-1) between aluminum rotor and steel shaft at ΔT&gt;80°C"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Bimetallic thermal compensation sleeve with controlled interference fit of 0.02-0.05 mm"
bom_nodes:
  rotor-corelamination:
    type: "component"
    urn: "URN:CNFX:ME:ROTOR_CORELAMINATION"
    interface_type: "physical-logic-coupled"
  magnet-or-encoder-pattern:
    type: "component"
    urn: "URN:CNFX:ME:MAGNET_OR_ENCODER_PATTERN"
    interface_type: "physical-logic-coupled"
  shaft-hub:
    type: "component"
    urn: "URN:CNFX:ME:SHAFT_HUB"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 1940-1:2003 (MECHANICAL VIBRATION - BALANCE QUALITY REQUIREMENTS FOR ROTORS IN A CONSTANT (RIGID) STATE)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/AGMA 2000-A88 (GEAR CLASSIFICATION AND INSPECTION HANDBOOK - TOLERANCES AND MEASURING METHODS FOR UNASSEMBLED SPUR AND HELICAL GEARS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/rotor.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "ca3c1f9dba7a63ca2e8e0d3d9477ced2b9278ba7c190687bea13b90e79ad20fc"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Rotor

## 1. Technical Definition
The rotating component of a position encoder/resolver that generates or modulates the signal used to determine angular position.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-15000 RPM at 0.1-100 μm radial runout tolerance**. Failure boundary: **&gt;200 μm radial runout causing &gt;5% signal amplitude degradation at 15000 RPM**, Mechanism: **Centrifugal force-induced elastic deformation exceeding material yield strength (σ_y &gt; 250 MPa for 17-4PH stainless steel) at critical rotational velocity**.

### 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 |
| :--- | :--- | :--- | :--- |
| Electrostatic discharge &gt;15 kV during assembly contaminating Hall-effect sensor elements | 8 | Non-linear output signal distortion with &gt;3° angular position error | ESD-protected cleanroom assembly with ionized air curtains and conductive wrist straps |
| Thermal expansion mismatch (Δα=12×10^-6 K^-1) between aluminum rotor and steel shaft at ΔT&gt;80°C | 8 | Mechanical binding at &gt;50 N·m torque causing encoder signal dropout | Bimetallic thermal compensation sleeve with controlled interference fit of 0.02-0.05 mm |

## 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**: **CNC Machining Center**, **Coordinate Measuring Machine**, **Dynamic Balancing Machine**  
**Downstream Applications**: Industrial Servo Motors, Aerospace Actuators, Medical Imaging Equipment  

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

### Q: What materials are used in manufacturing high-performance rotors for position encoders?
**A**: Our rotors are constructed from electrical steel (silicon steel) for the core/lamination, permanent magnets like neodymium for signal generation, and aluminum alloy for the shaft hub, ensuring durability and precise signal modulation.

### Q: How does the rotor contribute to accurate angular position detection in machinery?
**A**: The rotor is the rotating component that generates or modulates the signal in encoders/resolvers. Its design with precise magnet or encoder patterns and balanced construction allows for reliable determination of angular position in industrial equipment.

### Q: What are the key components in the rotor's bill of materials (BOM)?
**A**: The essential BOM components include the magnet or encoder pattern for signal creation, the rotor core/lamination made from electrical steel for magnetic efficiency, and the shaft hub typically crafted from aluminum alloy for secure mounting and rotation.

## 6. Manufacturing Compliance
- ISO 1940-1:2003 (MECHANICAL VIBRATION - BALANCE QUALITY REQUIREMENTS FOR ROTORS IN A CONSTANT (RIGID) STATE)
- ANSI/AGMA 2000-A88 (GEAR CLASSIFICATION AND INSPECTION HANDBOOK - TOLERANCES AND MEASURING METHODS FOR UNASSEMBLED SPUR AND HELICAL GEARS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Rotor](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/rotor)**

### 🌐 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**: ROTOR | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: e6af33ee
