---
title: "Carrier Chassis"
industry: "Other Transport Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:CARRIER_CHASSIS"
  data_integrity_hash: "acce245beebf02d9064e4959365f5a55"
  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:CARRIER_CHASSIS"
  data_source_uri: "https://cnfx.com/llms/industry/other-transport-equipment-manufacturing/product/carrier-chassis.md"
  official_resource_url: "https://cnfx.com/industry/other-transport-equipment-manufacturing/product/carrier-chassis"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-450 kN·m bending moment at main pivot, 0-2.5 MPa ground pressure, -40°C to +60°C ambient temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 550
    unit: "MPa"
    consequence: "High-cycle fatigue from cyclic loading at stress concentration points (notches, welds), plastic buckling under combined compression-torsion loads exceeding Euler critical stress, fretting corrosion at pivot pin interfaces under oscillatory motion"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Stress corrosion cracking in HSLA steel welds from chloride ion exposure"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Post-weld heat treatment to 650°C for 2 hours with controlled cooling, ultrasonic testing at 5 MHz frequency for crack detection, cathodic protection at -850 mV vs. Ag/AgCl reference"
  - node_2:
      trigger: "Hydroplaning instability during high-speed transport on wet surfaces"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Active hydroplaning detection system using 100 Hz tire vibration monitoring, automatic torque vectoring to individual axles, grooved tire patterns with 8 mm depth and 30% void ratio"
bom_nodes:
  main-frame-rails:
    type: "component"
    urn: "URN:CNFX:ME:MAIN_FRAME_RAILS"
    interface_type: "physical-logic-coupled"
  cross-members:
    type: "component"
    urn: "URN:CNFX:ME:CROSS_MEMBERS"
    interface_type: "physical-logic-coupled"
  outrigger-boxes-mounts:
    type: "part"
    urn: "URN:CNFX:ME:OUTRIGGER_BOXES_MOUNTS"
    interface_type: "physical-logic-coupled"
  suspension-mounts:
    type: "component"
    urn: "URN:CNFX:ME:SUSPENSION_MOUNTS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING - MACHINERY DIRECTIVE 2006/42/EC"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/other-transport-equipment-manufacturing/product/carrier-chassis.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "0a46a92e24e8b22cc84535299e09959561b58b9c3d3edb1a87198fac121d996a"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Carrier Chassis

## 1. Technical Definition
The structural foundation and mobility platform of a rough terrain crane that supports the superstructure and provides off-road capability.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-450 kN·m bending moment at main pivot, 0-2.5 MPa ground pressure, -40°C to +60°C ambient temperature**. Failure boundary: **Yield strength exceedance at 550 MPa von Mises stress in HSLA steel frame, ground pressure &gt;3.2 MPa causing soil shear failure, 15° permanent twist deformation in main beams**, Mechanism: **High-cycle fatigue from cyclic loading at stress concentration points (notches, welds), plastic buckling under combined compression-torsion loads exceeding Euler critical stress, fretting corrosion at pivot pin interfaces under oscillatory motion**.

### 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 |
| :--- | :--- | :--- | :--- |
| Stress corrosion cracking in HSLA steel welds from chloride ion exposure | 8 | Catastrophic frame fracture at main pivot connection during maximum load condition | Post-weld heat treatment to 650°C for 2 hours with controlled cooling, ultrasonic testing at 5 MHz frequency for crack detection, cathodic protection at -850 mV vs. Ag/AgCl reference |
| Hydroplaning instability during high-speed transport on wet surfaces | 8 | Loss of directional control with 2.5° yaw rate divergence exceeding driver correction capability | Active hydroplaning detection system using 100 Hz tire vibration monitoring, automatic torque vectoring to individual axles, grooved tire patterns with 8 mm depth and 30% void ratio |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Outrigger Boxes / Mounts](https://cnfx.com/llms/industry/other-transport-equipment-manufacturing/product/outrigger-boxes-mounts.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Hydraulic Power Unit**, **Welding Positioner**, **CNC Plasma Cutting System**  
**Downstream Applications**: Rough Terrain Crane, Mobile Crane Carrier, Heavy Equipment Transport Vehicle  

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

### Q: What is the primary function of a carrier chassis in rough terrain cranes?
**A**: The carrier chassis serves as the structural foundation and mobility platform that supports the crane superstructure while providing off-road capability through its robust design and suspension system.

### Q: What materials are used in manufacturing carrier chassis for durability?
**A**: Carrier chassis are constructed from high-strength alloy steel to withstand heavy loads, rough terrain conditions, and provide long-term structural integrity in demanding industrial environments.

### Q: What are the key components included in a carrier chassis BOM?
**A**: The bill of materials typically includes main frame rails, cross members, outrigger boxes/mounts, and suspension mounts - all engineered to work together as a complete mobility and support system.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- CE MARKING - MACHINERY DIRECTIVE 2006/42/EC

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Carrier Chassis](https://cnfx.com/industry/other-transport-equipment-manufacturing/product/carrier-chassis)**

### 🌐 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**: CARRIER_CHASSIS | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 5be3daad
