---
title: "Hydraulic Ram"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:HYDRAULIC_RAM"
  data_integrity_hash: "62f77a6e4bf7f7ec594ba63fab842539"
  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:HYDRAULIC_RAM"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/hydraulic-ram.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/hydraulic-ram"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "50-350 bar"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 420
    unit: "bar"
    consequence: "Cavitation-induced pitting at vapor pressure &lt;0.5 bar absolute, combined with seal extrusion at 380+ bar causing hydraulic lock"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Particulate contamination &gt;15 μm in hydraulic fluid"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 10 μm absolute filtration with differential pressure monitoring"
  - node_2:
      trigger: "Thermal cycling between -20°C and +80°C at &gt;5 cycles/hour"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement fluid temperature regulation maintaining 40±5°C with PTFE backup rings"
bom_nodes:
  cylinder-barrel:
    type: "component"
    urn: "URN:CNFX:ME:CYLINDER_BARREL"
    interface_type: "physical-logic-coupled"
  piston:
    type: "component"
    urn: "URN:CNFX:ME:PISTON"
    interface_type: "physical-logic-coupled"
  piston-rod:
    type: "component"
    urn: "URN:CNFX:ME:PISTON_ROD"
    interface_type: "physical-logic-coupled"
  end-caps:
    type: "component"
    urn: "URN:CNFX:ME:END_CAPS"
    interface_type: "physical-logic-coupled"
  seals-gaskets:
    type: "component"
    urn: "URN:CNFX:ME:SEALS_GASKETS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/hydraulic-ram.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "90a1cd830f218befd5e64bf47676de95f8ee734ab8b518c078017f056a2035db"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Hydraulic Ram

## 1. Technical Definition
A hydraulic actuator that converts hydraulic pressure into linear mechanical force and motion.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **50-350 bar**. Failure boundary: **420 bar (material yield strength threshold)**, Mechanism: **Cavitation-induced pitting at vapor pressure &lt;0.5 bar absolute, combined with seal extrusion at 380+ bar causing hydraulic lock**.

### 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 |
| :--- | :--- | :--- | :--- |
| Particulate contamination &gt;15 μm in hydraulic fluid | 8 | Spool valve stiction causing position drift &gt;0.1 mm | Install 10 μm absolute filtration with differential pressure monitoring |
| Thermal cycling between -20°C and +80°C at &gt;5 cycles/hour | 8 | O-ring elastomer compression set exceeding 15% permanent deformation | Implement fluid temperature regulation maintaining 40±5°C with PTFE backup rings |

## 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**: **Hydraulic Power Unit**, **Hydraulic Control Valve**, **Hydraulic Fluid Reservoir**  
**Downstream Applications**: Excavator Arm, Press Brake, Hydraulic Press  

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

### Q: What materials are used in this hydraulic ram construction?
**A**: This hydraulic ram is constructed with hardened steel for the barrel and end caps, a chrome-plated steel piston rod for corrosion resistance, and durable seals made from nitrile and polyurethane materials.

### Q: What are the main components in this hydraulic ram's bill of materials?
**A**: The BOM includes cylinder barrel, end caps, piston, piston rod, and seals &amp; gaskets, all designed for optimal performance in industrial machinery applications.

### Q: What type of motion does this hydraulic ram provide?
**A**: This hydraulic actuator converts hydraulic pressure into precise linear mechanical force and motion, making it ideal for pushing, pulling, lifting, and positioning applications in machinery manufacturing.

## 6. Manufacturing Compliance

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Hydraulic Ram](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/hydraulic-ram)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: HYDRAULIC_RAM | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 92bcd0ec
