---
title: "Skimming Arm/Blade"
industry: "Basic Metal Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:SKIMMING_ARMBLADE"
  data_integrity_hash: "ae406804a482429eacc7d26d2271617d"
  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:SKIMMING_ARMBLADE"
  data_source_uri: "https://cnfx.com/llms/industry/basic-metal-manufacturing/product/skimming-armblade.md"
  official_resource_url: "https://cnfx.com/industry/basic-metal-manufacturing/product/skimming-armblade"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-2.5 MPa at 1450-1650°C"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 350
    unit: "MPa"
    consequence: "Thermal fatigue from cyclic heating (1650°C) and cooling (200°C) exceeding material's endurance limit of 280 MPa at 10^5 cycles"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Molten metal adhesion exceeding 3 mm thickness"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Ceramic coating with 0.8 mm ZrO₂ layer maintaining contact angle &gt; 120°"
  - node_2:
      trigger: "Thermal gradient &gt; 1200°C/cm across blade cross-section"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Internal cooling channels maintaining surface temperature gradient &lt; 800°C/cm"
bom_nodes:
  blade-edge:
    type: "component"
    urn: "URN:CNFX:ME:BLADE_EDGE"
    interface_type: "physical-logic-coupled"
  mounting-bracket:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BRACKET"
    interface_type: "physical-logic-coupled"
  reinforcement-ribs:
    type: "component"
    urn: "URN:CNFX:ME:REINFORCEMENT_RIBS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/basic-metal-manufacturing/product/skimming-armblade.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "afeb3688f854eb5df5d65d1d7d861b4598a55fff8413a63d72d09d22364f6015"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Skimming Arm/Blade

## 1. Technical Definition
A mechanical component used to remove slag or impurities from molten metal surfaces in metallurgical processes.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-2.5 MPa at 1450-1650°C**. Failure boundary: **Thermal stress exceeds 350 MPa yield strength at 800°C**, Mechanism: **Thermal fatigue from cyclic heating (1650°C) and cooling (200°C) exceeding material's endurance limit of 280 MPa at 10^5 cycles**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Molten metal adhesion exceeding 3 mm thickness | 8 | Increased drag force &gt; 500 N causing blade deflection &gt; 5 mm | Ceramic coating with 0.8 mm ZrO₂ layer maintaining contact angle &gt; 120° |
| Thermal gradient &gt; 1200°C/cm across blade cross-section | 8 | Compressive stress &gt; 400 MPa causing permanent deformation | Internal cooling channels maintaining surface temperature gradient &lt; 800°C/cm |

## 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**: **Ladle Preheater**, **Molten Metal Temperature Sensor**, **Slag Handling System**  
**Downstream Applications**: Steel Ingots, Aluminum Billets, Copper Cathodes  

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

### Q: What materials are best for skimming arms in high-temperature applications?
**A**: High-temperature steel alloys, refractory-coated steel, and ceramic composites offer optimal durability and heat resistance for prolonged contact with molten metal surfaces.

### Q: How does a skimming blade improve metallurgical process efficiency?
**A**: By effectively removing slag and impurities from molten metal surfaces, skimming blades enhance metal purity, reduce defects in final products, and minimize furnace downtime for cleaning.

### Q: What maintenance is required for skimming arms in basic metal manufacturing?
**A**: Regular inspection for wear on the blade edge, checking mounting bracket integrity, and monitoring reinforcement ribs for heat stress or corrosion ensures reliable performance and extends service life.

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

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Skimming Arm/Blade](https://cnfx.com/industry/basic-metal-manufacturing/product/skimming-armblade)**

### 🌐 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**: SKIMMING_ARMBLADE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: a25e51b5
