---
title: "Marine Hull Plate Bending Roller"
industry: "Shipbuilding"
verification_protocol:
  urn: "URN:CNFX:ME:MARINE_HULL_PLATE_BENDING_ROLLER"
  data_integrity_hash: "537eb32713e3e0519032c7dbaf80107c"
  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:MARINE_HULL_PLATE_BENDING_ROLLER"
  data_source_uri: "https://cnfx.com/llms/industry/shipbuilding/product/marine-hull-plate-bending-roller.md"
  official_resource_url: "https://cnfx.com/industry/shipbuilding/product/marine-hull-plate-bending-roller"
  is_verified_logic: true
attributes:
  bending_force:
    status: "config-dependent"
    typical_range: "150-450 MPa bending stress, 20-100 mm/min feed rate, 5-40 mm plate thickness"
    unit: "kN"
  plate_thickness_capacity:
    status: "config-dependent"
    typical_range: "Scalable via configuration"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 550
    unit: "MPa"
    consequence: "Plastic deformation beyond material's ultimate tensile strength due to work hardening during cold forming, following Hooke's law σ = Eε until yield point"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Hydraulic pressure drop below 21 MPa system minimum"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dual redundant hydraulic pumps with 25 MPa pressure relief valves and real-time pressure monitoring"
  - node_2:
      trigger: "Roller bearing fatigue from cyclic loading exceeding 10⁷ cycles at 300 kN radial load"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Tapered roller bearings with ISO 281:2007 L10 life rating of 50,000 hours at 85% reliability"
bom_nodes:
  main-bending-roller:
    type: "part"
    urn: "URN:CNFX:ME:MAIN_BENDING_ROLLER"
    interface_type: "physical-logic-coupled"
  hydraulic-pressure-system:
    type: "part"
    urn: "URN:CNFX:ME:HYDRAULIC_PRESSURE_SYSTEM"
    interface_type: "physical-logic-coupled"
  cnc-control-panel:
    type: "part"
    urn: "URN:CNFX:ME:CNC_CONTROL_PANEL"
    interface_type: "physical-logic-coupled"
  plate-support-table:
    type: "part"
    urn: "URN:CNFX:ME:PLATE_SUPPORT_TABLE"
    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/shipbuilding/product/marine-hull-plate-bending-roller.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "a9e52bd07a3d4e0a05008743765bd257d7a8eddd1a431310b6153bef08013859"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Marine Hull Plate Bending Roller

## 1. Technical Definition
Industrial machine for cold-forming ship hull steel plates into curved sections

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **150-450 MPa bending stress, 20-100 mm/min feed rate, 5-40 mm plate thickness**. Failure boundary: **Material yield strength exceedance at 550 MPa for S355 steel, 650 MPa for AH36 steel**, Mechanism: **Plastic deformation beyond material's ultimate tensile strength due to work hardening during cold forming, following Hooke's law σ = Eε until yield point**.

### 2.1 Analytical Physics Model
Governed by the **Thin-Wall Pressure Vessel Stress Analysis**:

> **Primary Equation**: $\sigma_h = \frac{P \cdot D}{2t}$  
> **Engineering Impact**: Determines the hoop stress boundary to prevent rupture.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| P | Internal Pressure | Engineering Constant |
| D | Diameter | Engineering Constant |
| t | Wall Thickness | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Hydraulic pressure drop below 21 MPa system minimum | 8 | Incomplete plate curvature with springback exceeding 2.5° tolerance | Dual redundant hydraulic pumps with 25 MPa pressure relief valves and real-time pressure monitoring |
| Roller bearing fatigue from cyclic loading exceeding 10⁷ cycles at 300 kN radial load | 8 | Roller axis misalignment causing plate thickness variation &gt;1.5 mm | Tapered roller bearings with ISO 281:2007 L10 life rating of 50,000 hours at 85% reliability |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Main Bending Roller](https://cnfx.com/llms/industry/other-transport-equipment-manufacturing/product/main-bending-roller.md) `(Standalone System)`
- [Hydraulic Pressure System](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/hydraulic-pressure-system.md) `(Standalone System)`
- [CNC Control Panel](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/cnc-control-panel.md) `(Standalone System)`
- [Plate Support Table](https://cnfx.com/llms/industry/other-transport-equipment-manufacturing/product/plate-support-table.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Plate Handling Crane**, **Plate Preheating System**, **CNC Cutting Machine**  
**Downstream Applications**: Ship Hull Sections, Pressure Vessel Shells, Storage Tank Curved Panels  

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

### Q: What materials can this marine hull plate bending roller process?
**A**: This machine is designed to cold-form high-strength alloy steel plates used in shipbuilding, utilizing hardened tool steel components for durability and precision.

### Q: What is the maximum plate width this bending roller can handle?
**A**: The machine specifications include a maximum plate width measured in millimeters, designed to accommodate standard and custom shipbuilding steel plate dimensions.

### Q: How does the hydraulic pressure system improve bending accuracy?
**A**: The hydraulic system provides consistent, controlled force for precise cold-forming of steel plates, ensuring uniform curvature and reducing material stress during hull section fabrication.

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

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Marine Hull Plate Bending Roller](https://cnfx.com/industry/shipbuilding/product/marine-hull-plate-bending-roller)**

### 🌐 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**: MARINE_HULL_PLATE_BENDING_ROLLER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: a508058a
