---
title: "Vehicle Chassis"
industry: "Motor Vehicle Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:VEHICLE_CHASSIS"
  data_integrity_hash: "e145aa758393e270a1b2d5fdf80269c0"
  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:VEHICLE_CHASSIS"
  data_source_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/vehicle-chassis.md"
  official_resource_url: "https://cnfx.com/industry/motor-vehicle-manufacturing/product/vehicle-chassis"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-1500 MPa compressive stress, 0-300 MPa tensile stress, -40°C to 85°C temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 250
    unit: "MPa"
    consequence: "Plastic deformation due to von Mises yield criterion exceeding material yield strength, fatigue crack propagation from stress concentration at weld joints following Paris' law (da/dN = C(ΔK)^m)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Corrosion-induced material thinning at 0.1 mm/year rate in chloride environment"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hot-dip galvanizing with 85 μm zinc coating, cathodic protection at -0.85 V vs. Cu/CuSO4"
  - node_2:
      trigger: "Resonant vibration at 15 Hz matching chassis natural frequency"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Finite element modal analysis with damping ratio &gt;0.05, tuned mass dampers at critical nodes"
bom_nodes:
  main-longitudinal-beams:
    type: "component"
    urn: "URN:CNFX:ME:MAIN_LONGITUDINAL_BEAMS"
    interface_type: "physical-logic-coupled"
  cross-members:
    type: "component"
    urn: "URN:CNFX:ME:CROSS_MEMBERS"
    interface_type: "physical-logic-coupled"
  mounting-platesbrackets:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_PLATESBRACKETS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 26262:2018 - ROAD VEHICLES - FUNCTIONAL SAFETY"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/vehicle-chassis.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "e1aad8693111c54e4f2c6b41739a8d77acd075b775ef3c605ef700d8f676b611"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Vehicle Chassis

## 1. Technical Definition
The structural framework that supports all other components of an Automated Guided Vehicle (AGV), providing rigidity, stability, and mounting points.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-1500 MPa compressive stress, 0-300 MPa tensile stress, -40°C to 85°C temperature**. Failure boundary: **Yield strength exceeded at 250 MPa tensile stress or 1500 MPa compressive stress, fatigue failure at 10^7 cycles at 100 MPa stress amplitude**, Mechanism: **Plastic deformation due to von Mises yield criterion exceeding material yield strength, fatigue crack propagation from stress concentration at weld joints following Paris' law (da/dN = C(ΔK)^m)**.

### 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 |
| :--- | :--- | :--- | :--- |
| Corrosion-induced material thinning at 0.1 mm/year rate in chloride environment | 8 | Local buckling at load-bearing members under 5000 N compressive load | Hot-dip galvanizing with 85 μm zinc coating, cathodic protection at -0.85 V vs. Cu/CuSO4 |
| Resonant vibration at 15 Hz matching chassis natural frequency | 8 | Fatigue fracture at suspension mounting points after 2×10^6 cycles | Finite element modal analysis with damping ratio &gt;0.05, tuned mass dampers at critical nodes |

## 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**: **Welding Robot**, **CNC Machining Center**, **Coordinate Measuring Machine**  
**Downstream Applications**: Automated Guided Vehicle, Autonomous Mobile Robot, Material Handling System  

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

### Q: What materials are best for an AGV chassis in motor vehicle manufacturing?
**A**: High-strength steel offers maximum durability and load capacity, while aluminum alloy provides a lighter weight alternative for improved energy efficiency in AGV operations.

### Q: How does the chassis design affect AGV stability and performance?
**A**: The chassis provides the structural framework that determines rigidity, weight distribution, and mounting precision, directly impacting AGV stability, payload capacity, and component integration.

### Q: What are the key components included in a typical AGV chassis BOM?
**A**: Standard BOM includes main longitudinal beams for primary structure, cross members for lateral reinforcement, and mounting plates/brackets for secure component attachment in motor vehicle manufacturing applications.

## 6. Manufacturing Compliance
- ISO 26262:2018 - ROAD VEHICLES - FUNCTIONAL SAFETY

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Vehicle Chassis](https://cnfx.com/industry/motor-vehicle-manufacturing/product/vehicle-chassis)**

### 🌐 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**: VEHICLE_CHASSIS | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 5dbdfd69
