---
title: "Wire Rope Drum"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:WIRE_ROPE_DRUM"
  data_integrity_hash: "a21256d080fed50595c8ec191839baa1"
  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:WIRE_ROPE_DRUM"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/wire-rope-drum.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/wire-rope-drum"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-150 kN wire rope tension, 0-60 rpm rotational speed, -40°C to 80°C ambient temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 180
    unit: "kN"
    consequence: "Plastic deformation from exceeding yield strength (250 MPa for ASTM A36), fatigue cracking from cyclic bending stress (S-N curve with endurance limit at 125 MPa), abrasive wear from rope-drum contact (Archard's wear coefficient K=2.5×10⁻⁵)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Rope misalignment exceeding 3° from drum groove centerline"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install laser-guided rope alignment system with 0.5° precision feedback"
  - node_2:
      trigger: "Corrosion pitting depth exceeding 1.5 mm in drum surface"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Apply zinc-aluminum thermal spray coating (150 μm thickness) with annual thickness verification"
bom_nodes:
  drum-barrel:
    type: "part"
    urn: "URN:CNFX:ME:DRUM_BARREL"
    interface_type: "physical-logic-coupled"
  flanges:
    type: "component"
    urn: "URN:CNFX:ME:FLANGES"
    interface_type: "physical-logic-coupled"
  shaft-or-hub:
    type: "component"
    urn: "URN:CNFX:ME:SHAFT_OR_HUB"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 4308-1:2018 - CRANES AND LIFTING APPLIANCES - SELECTION OF WIRE ROPES - PART 1: GENERAL"
    scope: "Verified Engineering Specification"
  - standard: "DIN 15020-1:1974 - CRANES; WIRE ROPES; DRUMS, PRINCIPLES"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/wire-rope-drum.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "09cc4103d91912d86a9f4738ce7fb732f6c190681f0f02ff147026c13fba9698"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Wire Rope Drum

## 1. Technical Definition
A cylindrical component that stores and dispenses wire rope in a lifting mechanism.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-150 kN wire rope tension, 0-60 rpm rotational speed, -40°C to 80°C ambient temperature**. Failure boundary: **Wire rope tension exceeding 180 kN causes permanent drum deformation, rotational speed exceeding 75 rpm induces centrifugal rope whipping, temperature below -50°C embrittles drum material (ASTM A36 steel)**, Mechanism: **Plastic deformation from exceeding yield strength (250 MPa for ASTM A36), fatigue cracking from cyclic bending stress (S-N curve with endurance limit at 125 MPa), abrasive wear from rope-drum contact (Archard's wear coefficient K=2.5×10⁻⁵)**.

### 2.1 Analytical Physics Model
Governed by the **L10 Bearing Life & Fatigue Model**:

> **Primary Equation**: $L_{10} = (\frac{C}{P})^p$  
> **Engineering Impact**: Predicts mechanical lifecycle before component fatigue.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| C | Dynamic Load Rating | Engineering Constant |
| P | Equivalent Dynamic Load | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Rope misalignment exceeding 3° from drum groove centerline | 8 | Accelerated groove wear and rope crushing | Install laser-guided rope alignment system with 0.5° precision feedback |
| Corrosion pitting depth exceeding 1.5 mm in drum surface | 8 | Stress concentration leading to fatigue crack initiation | Apply zinc-aluminum thermal spray coating (150 μm thickness) with annual thickness verification |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Drum Barrel](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/drum-barrel.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Wire Rope Spooling Machine**, **Crane or Hoist System**, **Load Testing Equipment**  
**Downstream Applications**: Overhead Cranes, Construction Hoists, Marine Winches  

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

### Q: What materials are wire rope drums typically made from?
**A**: Wire rope drums are commonly manufactured from carbon steel or alloy steel for strength and durability in demanding industrial lifting applications.

### Q: What are the main components of a wire rope drum assembly?
**A**: A complete wire rope drum assembly typically consists of the drum barrel, flanges on each end, and either a shaft or hub for mounting and rotation within the lifting mechanism.

### Q: How does a wire rope drum function in machinery?
**A**: The wire rope drum acts as a cylindrical spool that stores, winds, and unwinds wire rope, enabling controlled lifting, lowering, and movement of loads in cranes, hoists, and other industrial equipment.

## 6. Manufacturing Compliance
- ISO 4308-1:2018 - CRANES AND LIFTING APPLIANCES - SELECTION OF WIRE ROPES - PART 1: GENERAL
- DIN 15020-1:1974 - CRANES; WIRE ROPES; DRUMS, PRINCIPLES

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Wire Rope Drum](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/wire-rope-drum)**

### 🌐 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**: WIRE_ROPE_DRUM | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 3493d949
