---
title: "Induction Stirring Coil"
industry: "Basic Metal Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:INDUCTION_STIRRING_COIL"
  data_integrity_hash: "9374109cd9c66d426de0dbb0affec638"
  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:INDUCTION_STIRRING_COIL"
  data_source_uri: "https://cnfx.com/llms/industry/basic-metal-manufacturing/product/induction-stirring-coil.md"
  official_resource_url: "https://cnfx.com/industry/basic-metal-manufacturing/product/induction-stirring-coil"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "50-5000 A at 50-1000 Hz, generating 0.01-1.0 T magnetic flux density"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 180
    unit: "°C"
    consequence: "Joule heating (I²R losses) exceeding cooling capacity, causing insulation breakdown via thermal degradation at 180°C, following Arrhenius equation with activation energy of 1.2 eV for polyimide insulation"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Cooling water pH dropping below 6.5, causing acidic corrosion of copper conductors"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install titanium-lined cooling channels with pH monitoring and automatic neutralization system"
  - node_2:
      trigger: "Mechanical vibration at 120 Hz resonance frequency from electromagnetic forces (Lorentz force density exceeding 10⁵ N/m³)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Epoxy vacuum impregnation with 70% silica filler and constrained-layer damping using 2 mm viscoelastic polymer interleaves"
bom_nodes:
  copper-conductor-tubing:
    type: "component"
    urn: "URN:CNFX:ME:COPPER_CONDUCTOR_TUBING"
    interface_type: "physical-logic-coupled"
  electrical-insulation-layers:
    type: "component"
    urn: "URN:CNFX:ME:ELECTRICAL_INSULATION_LAYERS"
    interface_type: "physical-logic-coupled"
  cooling-water-connections:
    type: "component"
    urn: "URN:CNFX:ME:COOLING_WATER_CONNECTIONS"
    interface_type: "physical-logic-coupled"
  structural-support-frame:
    type: "component"
    urn: "URN:CNFX:ME:STRUCTURAL_SUPPORT_FRAME"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING - ELECTROMAGNETIC COMPATIBILITY DIRECTIVE 2014/30/EU"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/basic-metal-manufacturing/product/induction-stirring-coil.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "963df431e4c90526d6871d9ed8710c5a46aa9f176a0b7fde46d7cf174e1715cc"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Induction Stirring Coil

## 1. Technical Definition
Electromagnetic coil that generates alternating magnetic fields to induce eddy currents in molten metal, creating stirring motion within a vacuum induction degassing unit.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **50-5000 A at 50-1000 Hz, generating 0.01-1.0 T magnetic flux density**. Failure boundary: **Copper conductor temperature exceeding 180°C (Class H insulation limit) or water cooling flow rate dropping below 2.0 L/min per kW of coil loss**, Mechanism: **Joule heating (I²R losses) exceeding cooling capacity, causing insulation breakdown via thermal degradation at 180°C, following Arrhenius equation with activation energy of 1.2 eV for polyimide insulation**.

### 2.1 Analytical Physics Model
Governed by the **Joule Heating & Thermal Resistance**:

> **Primary Equation**: $P = I^2 R = \frac{V^2}{R}$  
> **Engineering Impact**: Governs heating element sizing for shrink tunnels/sealers.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| I | Current | Engineering Constant |
| R | Resistance | Engineering Constant |
| V | Voltage | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Cooling water pH dropping below 6.5, causing acidic corrosion of copper conductors | 8 | Conductor cross-section reduction leading to localized overheating at 250 A/mm² current density threshold | Install titanium-lined cooling channels with pH monitoring and automatic neutralization system |
| Mechanical vibration at 120 Hz resonance frequency from electromagnetic forces (Lorentz force density exceeding 10⁵ N/m³) | 8 | Insulation abrasion and turn-to-turn short circuit at 0.1 mm displacement amplitude | Epoxy vacuum impregnation with 70% silica filler and constrained-layer damping using 2 mm viscoelastic polymer interleaves |

## 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**: **Vacuum Induction Degassing Unit**, **Power Supply System**, **Cooling Water System**  
**Downstream Applications**: High-Purity Steel Alloys, Specialty Nickel Alloys, Titanium Alloys  

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

### Q: How does an induction stirring coil work in metal degassing?
**A**: The coil generates alternating magnetic fields that induce eddy currents in molten metal, creating controlled stirring motion within vacuum induction degassing units to remove impurities.

### Q: What materials ensure durability in high-temperature applications?
**A**: Constructed with high-purity copper tubing for conductivity, high-temperature electrical insulation layers, and integrated cooling water channels to withstand extreme molten metal environments.

### Q: What are the key components of this induction stirring coil?
**A**: Includes copper conductor tubing, electrical insulation layers, structural support frame, and cooling water connections for reliable operation in basic metal manufacturing processes.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- CE MARKING - ELECTROMAGNETIC COMPATIBILITY DIRECTIVE 2014/30/EU

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Induction Stirring Coil](https://cnfx.com/industry/basic-metal-manufacturing/product/induction-stirring-coil)**

### 🌐 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**: INDUCTION_STIRRING_COIL | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 090a4c61
