---
title: "Knife Assembly"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:KNIFE_ASSEMBLY"
  data_integrity_hash: "c79a59e3d0a91bec889fc1829d328e6e"
  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:KNIFE_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/knife-assembly.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/knife-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "15-45 kN cutting force, 0.1-0.5 mm cutting edge radius, 200-600 RPM rotational speed"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.8
    unit: "mm"
    consequence: "Progressive abrasive wear at cutting edge due to high-stress concentration exceeding material yield strength (σ_y &gt; 1.2 GPa), leading to plastic deformation and micro-fracture propagation"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Hard particle contamination in grinding material (e.g., tungsten carbide inclusions &gt; 50 μm)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install in-line magnetic separator and ultrasonic particle detection system with 25 μm sensitivity"
  - node_2:
      trigger: "Thermal cycling between 20°C and 450°C during intermittent cutting operations"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement active cooling system maintaining blade temperature below 150°C with 5°C tolerance"
bom_nodes:
  blade-holder:
    type: "part"
    urn: "URN:CNFX:ME:BLADE_HOLDER"
    interface_type: "physical-logic-coupled"
  cutting-blades:
    type: "component"
    urn: "URN:CNFX:ME:CUTTING_BLADES"
    interface_type: "physical-logic-coupled"
  mounting-flange:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_FLANGE"
    interface_type: "physical-logic-coupled"
  locking-mechanism:
    type: "part"
    urn: "URN:CNFX:ME:LOCKING_MECHANISM"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 8442-5:2004 - MATERIALS AND ARTICLES IN CONTACT WITH FOODSTUFFS - CUTLERY AND TABLE HOLLOWARE"
    scope: "Verified Engineering Specification"
  - standard: "ANSI B94.50-1975 - KNIVES, INDUSTRIAL"
    scope: "Verified Engineering Specification"
  - standard: "DIN 8442-1:2008-06 - CUTLERY - PART 1: TERMS AND DEFINITIONS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/knife-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "2b24dfe128a69e6f82b2528bdeb4dc62f120b6ab54e5c491454cd2c2f5ff1814"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Knife Assembly

## 1. Technical Definition
A critical cutting component within grinding machinery that performs material removal operations.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **15-45 kN cutting force, 0.1-0.5 mm cutting edge radius, 200-600 RPM rotational speed**. Failure boundary: **Cutting edge radius exceeds 0.8 mm, cutting force exceeds 55 kN, rotational speed exceeds 750 RPM**, Mechanism: **Progressive abrasive wear at cutting edge due to high-stress concentration exceeding material yield strength (σ_y &gt; 1.2 GPa), leading to plastic deformation and micro-fracture propagation**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Hard particle contamination in grinding material (e.g., tungsten carbide inclusions &gt; 50 μm) | 8 | Catastrophic edge chipping and microfracture network formation | Install in-line magnetic separator and ultrasonic particle detection system with 25 μm sensitivity |
| Thermal cycling between 20°C and 450°C during intermittent cutting operations | 8 | Thermal fatigue cracking initiating at stress concentration points | Implement active cooling system maintaining blade temperature below 150°C with 5°C tolerance |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Blade Holder](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/blade-holder.md) `(Standalone System)`
- [Locking Mechanism](https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/locking-mechanism.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Coolant Filtration System**, **Material Handling Conveyor**, **Dust Collection System**  
**Downstream Applications**: Precision Engine Components, Industrial Cutting Blades, Aerospace Turbine Parts  

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

### Q: What materials are available for the cutting blades in this knife assembly?
**A**: Our knife assemblies offer cutting blades in High-Speed Steel (HSS), Carbide, and Ceramic materials to suit different material removal requirements and operational conditions.

### Q: How does the locking mechanism ensure secure blade operation?
**A**: The precision locking mechanism provides firm blade retention during high-speed grinding operations, minimizing vibration and maintaining cutting accuracy for consistent material removal.

### Q: What industries commonly use this type of knife assembly?
**A**: This knife assembly is essential in machinery and equipment manufacturing for grinding applications across metalworking, automotive, aerospace, and general industrial sectors requiring precise material removal.

## 6. Manufacturing Compliance
- ISO 8442-5:2004 - MATERIALS AND ARTICLES IN CONTACT WITH FOODSTUFFS - CUTLERY AND TABLE HOLLOWARE
- ANSI B94.50-1975 - KNIVES, INDUSTRIAL
- DIN 8442-1:2008-06 - CUTLERY - PART 1: TERMS AND DEFINITIONS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Knife Assembly](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/knife-assembly)**

### 🌐 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**: KNIFE_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: be866e88
