---
title: "Precision Cartridge Case Annealing Machine"
industry: "Manufacture of Weapons and Ammunition"
verification_protocol:
  urn: "URN:CNFX:ME:PRECISION_CARTRIDGE_CASE_ANNEALING_MACHINE"
  data_integrity_hash: "980cec927cfca2d96d26fa1080bba6a9"
  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:PRECISION_CARTRIDGE_CASE_ANNEALING_MACHINE"
  data_source_uri: "https://cnfx.com/llms/industry/manufacture-weapons-ammunition/product/precision-cartridge-case-annealing-machine.md"
  official_resource_url: "https://cnfx.com/industry/manufacture-weapons-ammunition/product/precision-cartridge-case-annealing-machine"
  is_verified_logic: true
attributes:
  primary_spec:
    status: "config-dependent"
    typical_range: "450-550°C for 2-5 minutes with ±5°C temperature uniformity across the heating chamber"
    unit: "cases/hour"
  secondary_spec:
    status: "config-dependent"
    typical_range: "450-550°C for 2-5 minutes with ±5°C temperature uniformity across the heating chamber"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 600
    unit: "°C"
    consequence: "Recrystallization temperature threshold for cartridge brass (CuZn30 alloy) at 600°C initiates abnormal grain growth, degrading mechanical properties via Hall-Petch relationship"
fmea_matrix_quantitative:
  - node_1:
      trigger: "PID controller integral windup during rapid temperature setpoint changes exceeding 100°C/min"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement anti-windup compensation with back-calculation algorithm limiting integral term to ±10% of controller output range"
  - node_2:
      trigger: "Induction coil insulation breakdown at sustained power densities &gt;3.5 kW/cm²"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Multilayer mica-mat insulation with 8 kV dielectric strength and forced-air cooling maintaining coil temperature &lt;150°C"
bom_nodes:
  induction-heating-coil:
    type: "part"
    urn: "URN:CNFX:ME:INDUCTION_HEATING_COIL"
    interface_type: "physical-logic-coupled"
  temperature-controller:
    type: "part"
    urn: "URN:CNFX:ME:TEMPERATURE_CONTROLLER"
    interface_type: "physical-logic-coupled"
  case-feeding-mechanism:
    type: "part"
    urn: "URN:CNFX:ME:CASE_FEEDING_MECHANISM"
    interface_type: "physical-logic-coupled"
  quenching-system:
    type: "part"
    urn: "URN:CNFX:ME:QUENCHING_SYSTEM"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING (MACHINERY DIRECTIVE 2006/42/EC)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/manufacture-weapons-ammunition/product/precision-cartridge-case-annealing-machine.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "f840dbe5250588788b89749929e1cb0e568267f44023c8f4cf60db306ce07e32"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Precision Cartridge Case Annealing Machine

## 1. Technical Definition
Industrial machine for controlled heat treatment of metallic cartridge cases to restore ductility.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **450-550°C for 2-5 minutes with ±5°C temperature uniformity across the heating chamber**. Failure boundary: **Exceeding 600°C for &gt;30 seconds causes irreversible grain growth, reducing case hardness below 15 HRC**, Mechanism: **Recrystallization temperature threshold for cartridge brass (CuZn30 alloy) at 600°C initiates abnormal grain growth, degrading mechanical properties via Hall-Petch relationship**.

### 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) | **$T \in [450-550°C]$ °C** (Per `temperature_range`) |
| t | Exposure Time (min) | **2-5 minutes** (Per `Operational Intelligence`) |
| z | Z-value | **10 °C** (Standard for *C. botulinum*) |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| PID controller integral windup during rapid temperature setpoint changes exceeding 100°C/min | 8 | Thermal overshoot to 650°C, causing brass annealing twins formation and 40% yield strength reduction | Implement anti-windup compensation with back-calculation algorithm limiting integral term to ±10% of controller output range |
| Induction coil insulation breakdown at sustained power densities &gt;3.5 kW/cm² | 8 | Arcing between coil turns creates localized hotspots exceeding 800°C, melting brass cases at 900°C | Multilayer mica-mat insulation with 8 kV dielectric strength and forced-air cooling maintaining coil temperature &lt;150°C |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| primary_spec | Config-dependent | cases/hour | Verified |
| secondary_spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Induction Heating Coil](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/induction-heating-coil.md) `(Standalone System)`
- [Temperature Controller](https://cnfx.com/llms/industry/rubber-and-plastic-product-manufacturing/product/temperature-controller.md) `(Standalone System)`
- [Case Feeding Mechanism](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/case-feeding-mechanism.md) `(Standalone System)`
- [Quenching System](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/quenching-system.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Industrial Gas Burner System**, **Temperature Control Unit**, **Cartridge Case Loading/Unloading Conveyor**  
**Downstream Applications**: Annealed Rifle Cartridge Cases, Annealed Pistol Cartridge Cases, Annealed Shotgun Shell Cases  

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

### Q: What is the purpose of annealing cartridge cases in ammunition manufacturing?
**A**: Annealing restores ductility to metallic cartridge cases that become brittle after repeated firing and resizing. This controlled heat treatment extends case life, prevents cracking, and ensures reliable performance in ammunition production.

### Q: How does the induction heating system work in this annealing machine?
**A**: The machine uses copper induction coils to generate precise electromagnetic fields that heat cartridge cases uniformly. This contactless method allows controlled, rapid heating to specific temperatures without direct flame contact, ensuring consistent results and material integrity.

### Q: What safety features are included for industrial ammunition manufacturing environments?
**A**: The machine features temperature controllers with safety cutoffs, enclosed quenching systems to contain fluids, high-temperature ceramic insulation, and failsafe mechanisms to prevent overheating. All materials (stainless steel, ceramics) are selected for durability in industrial settings.

## 6. Manufacturing Compliance
- ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS
- CE MARKING (MACHINERY DIRECTIVE 2006/42/EC)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Precision Cartridge Case Annealing Machine](https://cnfx.com/industry/manufacture-weapons-ammunition/product/precision-cartridge-case-annealing-machine)**

### 🌐 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**: PRECISION_CARTRIDGE_CASE_ANNEALING_MACHINE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 82f42045
