---
title: "Elevator Casing"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ELEVATOR_CASING"
  data_integrity_hash: "7ae6849c7b151293d2d441097b4399ba"
  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:ELEVATOR_CASING"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/elevator-casing.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/elevator-casing"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-150°C ambient temperature, 0-2.5 m/s aggregate flow velocity, 0-100 kPa internal pressure differential"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 5
    unit: "mm"
    consequence: "Thermal expansion mismatch between steel casing (α=12×10⁻⁶/°C) and internal components causing stress concentration at weld joints, exceeding yield strength of ASTM A36 steel (250 MPa) at 180°C"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Abrasive aggregate particle impact velocity exceeding 3 m/s"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 8 mm thick AR400 abrasion-resistant steel liner plates at impact zones with 45° deflection angles"
  - node_2:
      trigger: "Condensation formation due to 15°C temperature differential between hot aggregate (160°C) and ambient air"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Apply 300 μm epoxy-polyamide coating system with 90% zinc-rich primer, maintain internal positive pressure of 5 kPa"
bom_nodes:
  side-panels:
    type: "component"
    urn: "URN:CNFX:ME:SIDE_PANELS"
    interface_type: "physical-logic-coupled"
  access-doors:
    type: "part"
    urn: "URN:CNFX:ME:ACCESS_DOORS"
    interface_type: "physical-logic-coupled"
  mounting-flanges:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_FLANGES"
    interface_type: "physical-logic-coupled"
  observation-windows:
    type: "part"
    urn: "URN:CNFX:ME:OBSERVATION_WINDOWS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/elevator-casing.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "efc35fda91c4c810d7aa2bb86b003e0a9b67fd1a5d7421d1b779a72d5e67885a"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Elevator Casing

## 1. Technical Definition
The protective outer structure of a hot aggregate elevator that encloses and supports the internal components.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-150°C ambient temperature, 0-2.5 m/s aggregate flow velocity, 0-100 kPa internal pressure differential**. Failure boundary: **Structural deformation exceeding 5 mm deflection at any point, temperature exceeding 200°C causing material annealing, pressure differential exceeding 150 kPa causing buckling**, Mechanism: **Thermal expansion mismatch between steel casing (α=12×10⁻⁶/°C) and internal components causing stress concentration at weld joints, exceeding yield strength of ASTM A36 steel (250 MPa) at 180°C**.

### 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 |
| :--- | :--- | :--- | :--- |
| Abrasive aggregate particle impact velocity exceeding 3 m/s | 8 | Progressive wall thinning below 6 mm minimum thickness requirement | Install 8 mm thick AR400 abrasion-resistant steel liner plates at impact zones with 45° deflection angles |
| Condensation formation due to 15°C temperature differential between hot aggregate (160°C) and ambient air | 8 | Corrosion pitting at rate of 0.5 mm/year in carbon steel sections | Apply 300 μm epoxy-polyamide coating system with 90% zinc-rich primer, maintain internal positive pressure of 5 kPa |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Access Doors](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/access-doors.md) `(Standalone System)`
- [Observation Windows](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/observation-windows.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Hot Aggregate Elevator Drive System**, **Vibration Monitoring Equipment**, **Thermal Insulation System**  
**Downstream Applications**: Asphalt Mixing Plants, Hot Mix Asphalt Production Lines, Road Construction Machinery Systems  

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

### Q: What materials are best for elevator casing in high-temperature applications?
**A**: For high-temperature applications like hot aggregate elevators, heat-resistant alloys and stainless steel are recommended due to their durability and corrosion resistance under thermal stress.

### Q: What components are included in a standard elevator casing BOM?
**A**: A standard bill of materials includes access doors for maintenance, mounting flanges for secure installation, observation windows for monitoring, and side panels that form the protective enclosure.

### Q: How does elevator casing protect internal elevator components?
**A**: The casing acts as a protective outer structure that encloses and supports internal components, shielding them from environmental factors, debris, and operational wear while maintaining structural integrity.

## 6. Manufacturing Compliance

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Elevator Casing](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/elevator-casing)**

### 🌐 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**: ELEVATOR_CASING | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 5e1285fa
