---
title: "Cryogenic Cooling Jacket"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:CRYOGENIC_COOLING_JACKET"
  data_integrity_hash: "f33d0f5c5bd8f409b89485cc3d6d475e"
  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:CRYOGENIC_COOLING_JACKET"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/cryogenic-cooling-jacket.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/cryogenic-cooling-jacket"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "4-77 K (-269 to -196°C) with 0.5 K stability"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 85
    unit: "K"
    consequence: "Phase transition of liquid nitrogen coolant to gaseous state at 77.36 K (-195.79°C) causing loss of latent heat absorption capacity"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Micro-crack propagation in vacuum insulation layer exceeding 0.1 mm depth"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Multi-layer superinsulation with 30 alternating aluminum-coated polyester films and fiberglass spacers"
  - node_2:
      trigger: "Helium permeation through stainless steel 316L walls at 10^-9 mbar·L/s leak rate"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Double-walled construction with 0.5 mm vacuum gap and getter material coating"
bom_nodes:
  coolant-inlet-port:
    type: "component"
    urn: "URN:CNFX:ME:COOLANT_INLET_PORT"
    interface_type: "physical-logic-coupled"
  coolant-outlet-port:
    type: "component"
    urn: "URN:CNFX:ME:COOLANT_OUTLET_PORT"
    interface_type: "physical-logic-coupled"
  thermal-insulation-layer:
    type: "component"
    urn: "URN:CNFX:ME:THERMAL_INSULATION_LAYER"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/cryogenic-cooling-jacket.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "dc48ee1340a047709750200d92840ee70dbf0e6f9b4c63ae2354d5d5ea98ccec"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Cryogenic Cooling Jacket

## 1. Technical Definition
A specialized cooling component that maintains cryogenic temperatures around critical grinding head elements to prevent thermal damage and ensure precision machining.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **4-77 K (-269 to -196°C) with 0.5 K stability**. Failure boundary: **Thermal runaway initiates at 85 K (-188°C) with 2 K/min gradient**, Mechanism: **Phase transition of liquid nitrogen coolant to gaseous state at 77.36 K (-195.79°C) causing loss of latent heat absorption capacity**.

### 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 |
| :--- | :--- | :--- | :--- |
| Micro-crack propagation in vacuum insulation layer exceeding 0.1 mm depth | 8 | Thermal conductivity increase from 0.001 to 0.1 W/m·K causing 15 K/min temperature rise | Multi-layer superinsulation with 30 alternating aluminum-coated polyester films and fiberglass spacers |
| Helium permeation through stainless steel 316L walls at 10^-9 mbar·L/s leak rate | 8 | Convective heat transfer coefficient increase from 5 to 50 W/m²·K | Double-walled construction with 0.5 mm vacuum gap and getter material coating |

## 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**: **Cryogenic Liquid Nitrogen Supply System**, **Precision Temperature Control Unit**, **High-Precision Grinding Machine**  
**Downstream Applications**: Aerospace Turbine Blades, Medical Implant Components, Semiconductor Wafer Processing Tools  

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

### Q: What materials are used in the cryogenic cooling jacket construction?
**A**: The jacket is constructed from stainless steel for durability, copper alloy for optimal thermal conductivity, and high-grade aluminum for lightweight structural integrity.

### Q: How does the cryogenic cooling jacket prevent thermal damage during machining?
**A**: It maintains cryogenic temperatures around critical grinding head elements through a specialized thermal insulation layer and efficient coolant circulation, preventing heat-related deformation and ensuring precision.

### Q: What are the main components of the cryogenic cooling jacket?
**A**: The key components include a coolant inlet port, coolant outlet port, and thermal insulation layer, designed to create an effective cryogenic cooling system for industrial machinery.

## 6. Manufacturing Compliance

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Cryogenic Cooling Jacket](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/cryogenic-cooling-jacket)**

### 🌐 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**: CRYOGENIC_COOLING_JACKET | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 69e582d9
