---
title: "Mast/Column"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:MASTCOLUMN"
  data_integrity_hash: "960c269834a2befd2d9f9f52c0290b31"
  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:MASTCOLUMN"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/mastcolumn.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/mastcolumn"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-250 kN vertical load, 0-50 kN·m bending moment, 0-15 m height"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 355
    unit: "MPa"
    consequence: "Plastic deformation from exceeding yield strength, elastic instability from compressive loads exceeding critical buckling load, crack propagation from cyclic stress exceeding fatigue limit"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Corrosion-induced wall thickness reduction of 2 mm in marine 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: "Foundation settlement differential exceeding 5 mm/m over 2 m span"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Grouted baseplate with 50 MPa epoxy grout, 8 M30 anchor bolts torqued to 1760 N·m"
bom_nodes:
  base-plate:
    type: "component"
    urn: "URN:CNFX:ME:BASE_PLATE"
    interface_type: "physical-logic-coupled"
  jib-connection-bracket:
    type: "component"
    urn: "URN:CNFX:ME:JIB_CONNECTION_BRACKET"
    interface_type: "physical-logic-coupled"
  reinforcement-ribs:
    type: "component"
    urn: "URN:CNFX:ME:REINFORCEMENT_RIBS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/mastcolumn.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "1bd6822a1c4aa27ef598f1283cb0b8d8ed05e412b011a527f06ef12e9508ae7c"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Mast/Column

## 1. Technical Definition
The vertical structural support component of a jib crane that provides stability and load-bearing capacity.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-250 kN vertical load, 0-50 kN·m bending moment, 0-15 m height**. Failure boundary: **Yield stress of 355 MPa for S355 structural steel, Euler buckling load at slenderness ratio &gt; 100, fatigue limit at 10^7 cycles with stress amplitude &gt; 180 MPa**, Mechanism: **Plastic deformation from exceeding yield strength, elastic instability from compressive loads exceeding critical buckling load, crack propagation from cyclic stress exceeding fatigue limit**.

### 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 wall thickness reduction of 2 mm in marine environment | 8 | Local buckling at reduced cross-section with 15% load capacity loss | Hot-dip galvanizing with 85 μm zinc coating, cathodic protection at -0.85 V vs. Cu/CuSO4 |
| Foundation settlement differential exceeding 5 mm/m over 2 m span | 8 | Column baseplate yielding with 8° permanent tilt, bearing capacity reduction to 60% of design | Grouted baseplate with 50 MPa epoxy grout, 8 M30 anchor bolts torqued to 1760 N·m |

## 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**: **Jib Crane Arm**, **Hoist System**, **Foundation Bolting System**  
**Downstream Applications**: Material Handling Systems, Assembly Line Equipment, Warehouse Loading Stations  

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

### Q: What materials are used in mast/column construction for jib cranes?
**A**: Our mast/column components are manufactured from structural steel or high-strength alloy steel, selected for durability, load-bearing capacity, and resistance to industrial wear.

### Q: What are the key components in a jib crane mast/column assembly?
**A**: The assembly includes a base plate for foundation mounting, a jib connection bracket for arm attachment, and reinforcement ribs for enhanced structural stability and load distribution.

### Q: How does the mast/column contribute to jib crane stability?
**A**: The mast/column serves as the vertical structural core, providing essential stability by bearing vertical loads, resisting lateral forces, and ensuring secure mounting to the foundation and jib arm.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Mast/Column](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/mastcolumn)**

### 🌐 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**: MASTCOLUMN | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 9adfd78d
