---
title: "Cutting Torch"
industry: "Fabricated Metal Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:CUTTING_TORCH"
  data_integrity_hash: "06a9df19af27032302b8fe786fcd201a"
  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:CUTTING_TORCH"
  data_source_uri: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/cutting-torch.md"
  official_resource_url: "https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/cutting-torch"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-2.0 MPa (5-20 bar) gas pressure, 100-400 A current, 100-200 VDC arc voltage"
    unit: "A"
engineering_limits:
  max_safe_operating_point:
    value: 2.0
    unit: "mm"
    consequence: "Thermal fatigue from cyclic heating (plasma arc temperatures 15,000-30,000 K) and cooling cycles, leading to microcrack propagation in copper components (nozzle, electrode) according to Coffin-Manson fatigue law"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Insufficient gas flow rate below 15 L/min at 0.7 MPa"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrate mass flow controller with 0.1 L/min resolution and pressure transducer feedback loop"
  - node_2:
      trigger: "Coolant conductivity exceeding 5 μS/cm due to ion contamination"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement deionization cartridge with conductivity monitoring and automatic bypass at 3 μS/cm threshold"
bom_nodes:
  electrode:
    type: "component"
    urn: "URN:CNFX:ME:ELECTRODE"
    interface_type: "physical-logic-coupled"
  nozzle:
    type: "part"
    urn: "URN:CNFX:ME:NOZZLE"
    interface_type: "physical-logic-coupled"
  swirl-ring:
    type: "component"
    urn: "URN:CNFX:ME:SWIRL_RING"
    interface_type: "physical-logic-coupled"
  retaining-cap:
    type: "component"
    urn: "URN:CNFX:ME:RETAINING_CAP"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 5172:2017 (GAS WELDING EQUIPMENT - BLOWPIPES FOR GAS WELDING, HEATING AND CUTTING - SPECIFICATIONS AND TESTS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI Z49.1:2021 (SAFETY IN WELDING, CUTTING, AND ALLIED PROCESSES)"
    scope: "Verified Engineering Specification"
  - standard: "EN ISO 5172:2017 (EUROPEAN ADOPTION OF ISO 5172 FOR CE MARKING)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/cutting-torch.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "94a1aa09458392d337b4cc428e6f94863ab9af5b4411a37026528827789ec965"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Cutting Torch

## 1. Technical Definition
The plasma arc generation and focusing component of a CNC plasma cutting system

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-2.0 MPa (5-20 bar) gas pressure, 100-400 A current, 100-200 VDC arc voltage**. Failure boundary: **Electrode erosion exceeding 2.0 mm depth, nozzle orifice diameter expansion beyond 0.5 mm from nominal, coolant temperature exceeding 60°C**, Mechanism: **Thermal fatigue from cyclic heating (plasma arc temperatures 15,000-30,000 K) and cooling cycles, leading to microcrack propagation in copper components (nozzle, electrode) according to Coffin-Manson fatigue law**.

### 2.1 Analytical Physics Model
Governed by the **Heat Sterilization F0 Lethality Model**:

> **Primary Equation**: $F_0 = \int_{0}^{t} 10^{(T-121.1)/z} dt$  
> **Engineering Impact**: Validates microbial reduction integrity for aseptic packaging.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| T | Process Temp (°C) | **$T \in [121-135]$ °C** (Per `temperature_range`) |
| t | Exposure Time (min) | Engineering Constant |
| z | Z-value | **10 °C** (Standard for *C. botulinum*) |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Insufficient gas flow rate below 15 L/min at 0.7 MPa | 8 | Double arcing between electrode and nozzle | Integrate mass flow controller with 0.1 L/min resolution and pressure transducer feedback loop |
| Coolant conductivity exceeding 5 μS/cm due to ion contamination | 8 | Electrolytic corrosion of electrode (hafnium insert) at arc attachment points | Implement deionization cartridge with conductivity monitoring and automatic bypass at 3 μS/cm threshold |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Nozzle](https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/nozzle.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **CNC Plasma Cutting Table**, **Compressed Air System**, **Fume Extraction System**  
**Downstream Applications**: Structural Steel Components, Metal Signage, Industrial Machinery Parts  

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

### Q: What materials are used in this cutting torch and why?
**A**: This cutting torch uses copper alloy for conductivity and heat dissipation, tungsten for electrode durability, ceramic for insulation and heat resistance, and stainless steel for structural integrity in demanding metal fabrication environments.

### Q: How often should I replace the consumable components in this plasma cutting torch?
**A**: Replacement frequency depends on usage intensity and material thickness. Typically, electrodes and nozzles should be inspected regularly and replaced when arc quality diminishes or cutting precision decreases, following manufacturer guidelines for your specific CNC system.

### Q: Is this cutting torch compatible with all CNC plasma cutting systems?
**A**: While designed for CNC plasma systems, compatibility depends on specific system requirements. Check your machine's specifications for torch mounting, electrical connections, and consumable compatibility. Many industrial systems use standardized torch designs, but always verify before purchase.

## 6. Manufacturing Compliance
- ISO 5172:2017 (GAS WELDING EQUIPMENT - BLOWPIPES FOR GAS WELDING, HEATING AND CUTTING - SPECIFICATIONS AND TESTS)
- ANSI Z49.1:2021 (SAFETY IN WELDING, CUTTING, AND ALLIED PROCESSES)
- EN ISO 5172:2017 (EUROPEAN ADOPTION OF ISO 5172 FOR CE MARKING)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Cutting Torch](https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/cutting-torch)**

### 🌐 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**: CUTTING_TORCH | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: f1681b92
