---
title: "Mixing Impeller"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:MIXING_IMPELLER"
  data_integrity_hash: "598016ee510d7ab30fc3098dc05110a8"
  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:MIXING_IMPELLER"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/mixing-impeller.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/mixing-impeller"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-15 m/s tip speed, 0.1-5.0 kW power input, 10-1000 Pa shear stress"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 250
    unit: "MPa"
    consequence: "High-cycle fatigue from cyclic bending stresses at blade root due to fluid-structure interaction, cavitation erosion from local pressure drops below vapor pressure (2.34 kPa at 20°C), abrasive wear from particle impacts exceeding material hardness (6.0 GPa for tungsten carbide coating)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Solid particle concentration exceeding 40% by volume in slurry"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hardface coating application with tungsten carbide (HV 1400) and particle size control to &lt;50 μm"
  - node_2:
      trigger: "Resonant excitation at 47.5 Hz matching blade natural frequency"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Stiffener rib design increasing natural frequency to 65 Hz and stress relief radius of 5 mm"
bom_nodes:
  blade:
    type: "component"
    urn: "URN:CNFX:ME:BLADE"
    interface_type: "physical-logic-coupled"
  hub:
    type: "part"
    urn: "URN:CNFX:ME:HUB"
    interface_type: "physical-logic-coupled"
  shaft-connection:
    type: "component"
    urn: "URN:CNFX:ME:SHAFT_CONNECTION"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 2858:2012 - END-SUCTION CENTRIFUGAL PUMPS (DESIGNATION, NOMINAL DUTY POINT AND DIMENSIONS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B73.1-2012 - SPECIFICATION FOR HORIZONTAL END SUCTION CENTRIFUGAL PUMPS FOR CHEMICAL PROCESS"
    scope: "Verified Engineering Specification"
  - standard: "DIN 24256:1986 - END-SUCTION CENTRIFUGAL PUMPS; NOMINAL DUTY POINT, MAIN DIMENSIONS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/mixing-impeller.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "45bc08829c69074997f5fde020d0c0ba74a34aad1226c961d69ab9d6cb5cc340"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Mixing Impeller

## 1. Technical Definition
A rotating component within a mixing tank that agitates and homogenizes coating slurry through fluid movement.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-15 m/s tip speed, 0.1-5.0 kW power input, 10-1000 Pa shear stress**. Failure boundary: **Material yield strength exceeded at 250 MPa von Mises stress, fatigue limit at 10^7 cycles with 150 MPa alternating stress, critical Reynolds number &gt; 10^5 for turbulent cavitation onset**, Mechanism: **High-cycle fatigue from cyclic bending stresses at blade root due to fluid-structure interaction, cavitation erosion from local pressure drops below vapor pressure (2.34 kPa at 20°C), abrasive wear from particle impacts exceeding material hardness (6.0 GPa for tungsten carbide coating)**.

### 2.1 Analytical Physics Model
Governed by the **L10 Bearing Life & Fatigue Model**:

> **Primary Equation**: $L_{10} = (\frac{C}{P})^p$  
> **Engineering Impact**: Predicts mechanical lifecycle before component fatigue.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| C | Dynamic Load Rating | Engineering Constant |
| P | Equivalent Dynamic Load | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Solid particle concentration exceeding 40% by volume in slurry | 8 | Progressive abrasive wear reducing blade thickness below 2 mm design minimum | Hardface coating application with tungsten carbide (HV 1400) and particle size control to &lt;50 μm |
| Resonant excitation at 47.5 Hz matching blade natural frequency | 8 | High-cycle fatigue crack initiation at blade root stress concentration (Kt=3.2) | Stiffener rib design increasing natural frequency to 65 Hz and stress relief radius of 5 mm |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Industrial Mixing Tank**, **Variable Frequency Drive**, **Shaft Seal System**  
**Downstream Applications**: Paints and Coatings, Pharmaceutical Suspensions, Food Emulsions  

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

### Q: What materials are best for mixing impellers in corrosive environments?
**A**: For corrosive environments like coating slurry applications, 316L stainless steel or specialty alloys (e.g., Hastelloy, duplex steels) offer optimal corrosion resistance and durability compared to standard 304 stainless or carbon steel.

### Q: How does impeller design affect slurry homogenization efficiency?
**A**: Impeller design (blade shape, angle, size) directly impacts fluid movement patterns, shear rates, and mixing energy. Properly engineered impellers ensure uniform slurry consistency, prevent settling, and improve coating quality with reduced power consumption.

### Q: What maintenance is required for industrial mixing impellers?
**A**: Regular inspection for wear, corrosion, or blade damage; checking shaft connection integrity; and cleaning to prevent buildup. Material selection matching the slurry chemistry minimizes maintenance frequency and extends service life.

## 6. Manufacturing Compliance
- ISO 2858:2012 - END-SUCTION CENTRIFUGAL PUMPS (DESIGNATION, NOMINAL DUTY POINT AND DIMENSIONS)
- ANSI/ASME B73.1-2012 - SPECIFICATION FOR HORIZONTAL END SUCTION CENTRIFUGAL PUMPS FOR CHEMICAL PROCESS
- DIN 24256:1986 - END-SUCTION CENTRIFUGAL PUMPS; NOMINAL DUTY POINT, MAIN DIMENSIONS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Mixing Impeller](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/mixing-impeller)**

### 🌐 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**: MIXING_IMPELLER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 044ba98d
