---
title: "Agitation Assembly"
industry: "Chemical Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:AGITATION_ASSEMBLY"
  data_integrity_hash: "17c2b854bed70ca62a3ecb5a3057526c"
  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:AGITATION_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/chemical-manufacturing/product/agitation-assembly.md"
  official_resource_url: "https://cnfx.com/industry/chemical-manufacturing/product/agitation-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-3.0 m/s impeller tip speed, 20-80 rpm shaft rotation, 0.1-0.8 bar pressure differential across impeller"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 3.5
    unit: "m"
    consequence: "Cavitation-induced pitting at impeller surfaces due to local pressure dropping below vapor pressure (2.34 kPa at 20°C), fatigue failure from cyclic torsional loading exceeding 450 N·m yield torque"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Bearing lubrication degradation below 0.05 mm oil film thickness"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrate real-time oil film thickness monitoring with automatic viscosity compensation system"
  - node_2:
      trigger: "Corrosive chloride ion concentration exceeding 500 ppm in process fluid"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement duplex stainless steel (UNS S31803) construction with post-weld heat treatment at 1050°C"
bom_nodes:
  drive-motor:
    type: "part"
    urn: "URN:CNFX:ME:DRIVE_MOTOR"
    interface_type: "physical-logic-coupled"
  agitator-shaft:
    type: "component"
    urn: "URN:CNFX:ME:AGITATOR_SHAFT"
    interface_type: "physical-logic-coupled"
  impellers:
    type: "component"
    urn: "URN:CNFX:ME:IMPELLERS"
    interface_type: "physical-logic-coupled"
  shaft-seal:
    type: "component"
    urn: "URN:CNFX:ME:SHAFT_SEAL"
    interface_type: "physical-logic-coupled"
  support-bearing:
    type: "component"
    urn: "URN:CNFX:ME:SUPPORT_BEARING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 1940-1:2003 - MECHANICAL VIBRATION - BALANCE QUALITY REQUIREMENTS FOR ROTORS IN A CONSTANT (RIGID) STATE"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B46.1-2019 - SURFACE TEXTURE (SURFACE ROUGHNESS, WAVINESS, AND LAY)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 7184-1:2018-12 - TOLERANCES FOR LINEAR AND ANGULAR DIMENSIONS WITHOUT INDIVIDUAL TOLERANCE INDICATIONS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/chemical-manufacturing/product/agitation-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "ca3445015f0e8a3dfe115ad12e1485754207e1067ed04108bdd8b898d3c50aa1"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Agitation Assembly

## 1. Technical Definition
Mechanical assembly responsible for mixing and agitating chemical solutions within a crystallization unit to promote uniform crystal formation.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-3.0 m/s impeller tip speed, 20-80 rpm shaft rotation, 0.1-0.8 bar pressure differential across impeller**. Failure boundary: **Impeller tip speed exceeding 3.5 m/s causes cavitation inception, shaft deflection &gt;0.15 mm at bearing points, bearing temperature &gt;95°C**, Mechanism: **Cavitation-induced pitting at impeller surfaces due to local pressure dropping below vapor pressure (2.34 kPa at 20°C), fatigue failure from cyclic torsional loading exceeding 450 N·m yield torque**.

### 2.1 Analytical Physics Model
Governed by the **Harmonic Vibration Force Generation**:

> **Primary Equation**: $F_e = m \cdot r \cdot \omega^2 \sin(\omega t)$  
> **Engineering Impact**: Calculates centrifugal force for vibratory sifters/feeders.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| m | Eccentric Mass | Engineering Constant |
| r | Radius | Engineering Constant |
| \omega | Angular Frequency | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Bearing lubrication degradation below 0.05 mm oil film thickness | 8 | Shaft seizure due to metal-to-metal contact at journal bearings | Integrate real-time oil film thickness monitoring with automatic viscosity compensation system |
| Corrosive chloride ion concentration exceeding 500 ppm in process fluid | 8 | Stress corrosion cracking at impeller weld joints | Implement duplex stainless steel (UNS S31803) construction with post-weld heat treatment at 1050°C |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Drive Motor](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/drive-motor.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Crystallization Vessel**, **Temperature Control System**, **Chemical Feed System**  
**Downstream Applications**: Pharmaceutical Crystals, Industrial Salt Crystals, Specialty Chemical Powders  

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

### Q: What materials are recommended for agitation assemblies in corrosive chemical environments?
**A**: For corrosive chemical environments, we recommend 316L stainless steel for general applications, Hastelloy for highly corrosive media, and titanium for chloride-containing solutions. Material selection depends on specific chemical compatibility and process requirements.

### Q: How does the agitation assembly promote uniform crystal formation in crystallization units?
**A**: The agitation assembly ensures consistent mixing and suspension of chemical solutions, preventing localized concentration gradients and temperature variations. This controlled agitation promotes homogeneous nucleation and uniform crystal growth throughout the crystallization process.

### Q: What maintenance considerations are important for chemical agitation assemblies?
**A**: Regular inspection of shaft seals for leakage, bearing lubrication checks, impeller wear assessment, and corrosion monitoring of wetted components are essential. Proper maintenance ensures optimal mixing performance and extends equipment lifespan in demanding chemical environments.

## 6. Manufacturing Compliance
- ISO 1940-1:2003 - MECHANICAL VIBRATION - BALANCE QUALITY REQUIREMENTS FOR ROTORS IN A CONSTANT (RIGID) STATE
- ANSI/ASME B46.1-2019 - SURFACE TEXTURE (SURFACE ROUGHNESS, WAVINESS, AND LAY)
- DIN 7184-1:2018-12 - TOLERANCES FOR LINEAR AND ANGULAR DIMENSIONS WITHOUT INDIVIDUAL TOLERANCE INDICATIONS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Agitation Assembly](https://cnfx.com/industry/chemical-manufacturing/product/agitation-assembly)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: AGITATION_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 343d8269
