---
title: "Travel Bogie"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:TRAVEL_BOGIE"
  data_integrity_hash: "b518d6641726398ee70a5230702047f7"
  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:TRAVEL_BOGIE"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/travel-bogie.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/travel-bogie"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-150 kN vertical load, 0-25 kN horizontal traction force, 0-2.5 m/s travel speed"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 450
    unit: "MPa"
    consequence: "Hertzian contact stress exceeding material yield strength (wheel steel: 550 MPa yield), bending fatigue from cyclic loading at 0.1-2 Hz frequency, rail-wheel adhesion coefficient dropping below 0.15"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Rail joint misalignment exceeding 3 mm vertical displacement"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Continuous welded rail installation with maximum 1 mm joint tolerance, wheel bearing preload adjustment to 0.02-0.05 mm axial clearance"
  - node_2:
      trigger: "Corrosive environment with chloride concentration exceeding 500 ppm"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Austenitic stainless steel wheel material (316L grade), cathodic protection at -850 mV vs. Ag/AgCl reference electrode"
bom_nodes:
  wheel-assembly:
    type: "part"
    urn: "URN:CNFX:ME:WHEEL_ASSEMBLY"
    interface_type: "physical-logic-coupled"
  axle:
    type: "component"
    urn: "URN:CNFX:ME:AXLE"
    interface_type: "physical-logic-coupled"
  bogie-frame:
    type: "part"
    urn: "URN:CNFX:ME:BOGIE_FRAME"
    interface_type: "physical-logic-coupled"
  bearing-housing:
    type: "part"
    urn: "URN:CNFX:ME:BEARING_HOUSING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "EN 15085-2:2007 - RAILWAY APPLICATIONS - WELDING OF RAILWAY VEHICLES AND COMPONENTS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/travel-bogie.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "c9af559b24f7e7a565324b7c47f3fe867f5c34ed8cc52f4ada5de1d3e5d0c3ac"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Travel Bogie

## 1. Technical Definition
A wheeled undercarriage assembly that enables horizontal movement of a ship loader along rails.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-150 kN vertical load, 0-25 kN horizontal traction force, 0-2.5 m/s travel speed**. Failure boundary: **Wheel flange contact pressure exceeding 450 MPa, axle bending stress exceeding 280 MPa, rail contact stress exceeding 1200 MPa**, Mechanism: **Hertzian contact stress exceeding material yield strength (wheel steel: 550 MPa yield), bending fatigue from cyclic loading at 0.1-2 Hz frequency, rail-wheel adhesion coefficient dropping below 0.15**.

### 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 |
| :--- | :--- | :--- | :--- |
| Rail joint misalignment exceeding 3 mm vertical displacement | 8 | Impact loading at 5-10g acceleration causing wheel bearing brinelling | Continuous welded rail installation with maximum 1 mm joint tolerance, wheel bearing preload adjustment to 0.02-0.05 mm axial clearance |
| Corrosive environment with chloride concentration exceeding 500 ppm | 8 | Stress corrosion cracking initiating at wheel flange radius (stress concentration factor: 2.8) | Austenitic stainless steel wheel material (316L grade), cathodic protection at -850 mV vs. Ag/AgCl reference electrode |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Wheel Assembly](https://cnfx.com/llms/industry/other-transport-equipment-manufacturing/product/wheel-assembly.md) `(Standalone System)`
- [Bogie Frame](https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/bogie-frame.md) `(Standalone System)`
- [Bearing Housing](https://cnfx.com/llms/industry/other-transport-equipment-manufacturing/product/bearing-housing.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Rail Track System**, **Hydraulic Power Unit**, **Electrical Control Panel**  
**Downstream Applications**: Bulk Material Ship Loader, Port Material Handling System, Industrial Rail-Mounted Gantry  

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

### Q: What materials are used in manufacturing travel bogies for ship loaders?
**A**: Travel bogies are constructed from high-strength materials including structural steel for the main frame, alloy steel for axles and critical components, and cast steel for bearing housings and wheel assemblies to ensure durability under heavy loads.

### Q: How does a travel bogie enable horizontal movement for ship loaders?
**A**: The travel bogie functions as a wheeled undercarriage that rides along installed rails, allowing the entire ship loader structure to move horizontally. This mobility enables precise positioning for efficient cargo loading/unloading operations.

### Q: What are the main components in a travel bogie assembly?
**A**: Key components include the bogie frame (structural support), axle (load transmission), bearing housing (rotation facilitation), and wheel assembly (rail contact). These work together to distribute weight and enable smooth movement.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- EN 15085-2:2007 - RAILWAY APPLICATIONS - WELDING OF RAILWAY VEHICLES AND COMPONENTS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Travel Bogie](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/travel-bogie)**

### 🌐 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**: TRAVEL_BOGIE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: ccf9a751
