---
title: "End Carriages"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:END_CARRIAGES"
  data_integrity_hash: "d4aaf198b769724d23f363d7e9ec4b32"
  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:END_CARRIAGES"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/end-carriages.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/end-carriages"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-2.5 m/s linear velocity, 0.1-0.8 m/s² acceleration"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 250
    unit: "MPa"
    consequence: "Hertzian contact stress exceeding material fatigue limit (S-N curve at 10⁶ cycles for 200 MPa), leading to subsurface crack propagation and spalling"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Misalignment-induced cyclic bending moment exceeding 1500 N·m"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Laser-aligned installation with 0.1 mm/m tolerance, finite element analysis-optimized rib reinforcement"
  - node_2:
      trigger: "Contaminant ingress (ISO 4406 Class 18/16/13) in linear guide recirculation system"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "IP65-rated sealing with multi-labyrinth design, automated grease injection at 100-hour intervals"
bom_nodes:
  wheels:
    type: "component"
    urn: "URN:CNFX:ME:WHEELS"
    interface_type: "physical-logic-coupled"
  axles:
    type: "component"
    urn: "URN:CNFX:ME:AXLES"
    interface_type: "physical-logic-coupled"
  carriage-frame:
    type: "component"
    urn: "URN:CNFX:ME:CARRIAGE_FRAME"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 606:2015 - SHORT-PITCH TRANSMISSION PRECISION ROLLER AND BUSH CHAINS, ATTACHMENTS AND ASSOCIATED CHAIN SPROCKETS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/end-carriages.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "5d8efd608a7ef0435929faf9c78af1a6c0116facb938d9b8b376c23ce9b64bd0"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: End Carriages

## 1. Technical Definition
Structural components located at the ends of a gantry structure that support and guide the movement of the gantry bridge or trolley.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-2.5 m/s linear velocity, 0.1-0.8 m/s² acceleration**. Failure boundary: **Yield strength exceedance at 250 MPa for structural steel, 0.5 mm permanent deformation in guide rail contact surfaces**, Mechanism: **Hertzian contact stress exceeding material fatigue limit (S-N curve at 10⁶ cycles for 200 MPa), leading to subsurface crack propagation and spalling**.

### 2.1 Analytical Physics Model
Governed by the **Frame Structural Deflection Analysis**:

> **Primary Equation**: $\delta = \frac{5 q L^4}{384 E I}$  
> **Engineering Impact**: Ensures structural stability for multi-stage machines.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| q | Uniform Load | Engineering Constant |
| E | Elastic Modulus | Engineering Constant |
| I | Moment of Inertia | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Misalignment-induced cyclic bending moment exceeding 1500 N·m | 8 | Progressive plastic deformation at wheel axle mounting points | Laser-aligned installation with 0.1 mm/m tolerance, finite element analysis-optimized rib reinforcement |
| Contaminant ingress (ISO 4406 Class 18/16/13) in linear guide recirculation system | 8 | Abrasive wear exceeding 0.01 mm/hour on ball tracks | IP65-rated sealing with multi-labyrinth design, automated grease injection at 100-hour intervals |

## 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**: **Gantry Bridge**, **Trolley System**, **Linear Motion Guide Rails**  
**Downstream Applications**: Gantry Cranes, Bridge Cranes, Automated Storage and Retrieval Systems  

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

### Q: What are end carriages used for in machinery manufacturing?
**A**: End carriages are structural components positioned at the ends of gantry structures to support and guide the movement of the gantry bridge or trolley, ensuring stable and precise operation in industrial applications.

### Q: What materials are typically used for manufacturing end carriages?
**A**: End carriages are commonly manufactured from structural steel or alloy steel to provide the necessary strength, durability, and load-bearing capacity required for heavy machinery and equipment applications.

### Q: What are the main components included in an end carriage BOM?
**A**: A typical end carriage bill of materials (BOM) includes axles for rotation, a carriage frame for structural support, and wheels for smooth movement along tracks or rails in gantry systems.

## 6. Manufacturing Compliance
- ISO 606:2015 - SHORT-PITCH TRANSMISSION PRECISION ROLLER AND BUSH CHAINS, ATTACHMENTS AND ASSOCIATED CHAIN SPROCKETS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: End Carriages](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/end-carriages)**

### 🌐 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**: END_CARRIAGES | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 26489964
