---
title: "Linear Guide/Rail"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:LINEAR_GUIDERAIL"
  data_integrity_hash: "eca71d05825fa8a0c0a1373866efd222"
  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:LINEAR_GUIDERAIL"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/linear-guiderail.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/linear-guiderail"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.1-100 m/s linear velocity, -20°C to 80°C ambient temperature, 0.5-50 kN load capacity"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 2.5
    unit: "GPa"
    consequence: "Hertzian contact fatigue due to cyclic loading exceeding material yield strength (typically 1.8-2.2 GPa for hardened steel), boundary lubrication failure causing adhesive wear"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Contaminant particle ingress (≥10 μm diameter) exceeding ISO 4406:2017 Class 16/14/11 cleanliness"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integral wiper seals with ≤5 μm particle exclusion, positive pressure purge system at 0.1-0.3 bar"
  - node_2:
      trigger: "Misalignment exceeding 0.02 mm/100 mm perpendicularity tolerance"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Kinematic mounting with 6-DOF adjustment (0.001 mm resolution), laser alignment verification to ISO 10791-2:2001"
bom_nodes:
  rail:
    type: "component"
    urn: "URN:CNFX:ME:RAIL"
    interface_type: "physical-logic-coupled"
  carriageslider:
    type: "part"
    urn: "URN:CNFX:ME:CARRIAGESLIDER"
    interface_type: "physical-logic-coupled"
  recirculating-ball-bearings:
    type: "component"
    urn: "URN:CNFX:ME:RECIRCULATING_BALL_BEARINGS"
    interface_type: "physical-logic-coupled"
  end-seals:
    type: "component"
    urn: "URN:CNFX:ME:END_SEALS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 10791-1:2015 (TEST CONDITIONS FOR MACHINING CENTRES)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/B11.19-2019 (PERFORMANCE CRITERIA FOR SAFEGUARDING)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 645-1:2002 (LINEAR MOTION ROLLING BEARINGS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/linear-guiderail.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "5ed6877dcb212a845380a2726f5e5c6906c2dde91d979184cb71795a44117f66"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Linear Guide/Rail

## 1. Technical Definition
A precision mechanical component that provides smooth, low-friction linear motion along a fixed path.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-100 m/s linear velocity, -20°C to 80°C ambient temperature, 0.5-50 kN load capacity**. Failure boundary: **Ball/roller contact stress exceeding 2.5 GPa (Hertzian stress limit), surface roughness Ra &gt; 0.4 μm, lubrication film thickness &lt; 0.1 μm**, Mechanism: **Hertzian contact fatigue due to cyclic loading exceeding material yield strength (typically 1.8-2.2 GPa for hardened steel), boundary lubrication failure causing adhesive wear**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Contaminant particle ingress (≥10 μm diameter) exceeding ISO 4406:2017 Class 16/14/11 cleanliness | 8 | Three-body abrasive wear causing raceway spalling and increased rolling resistance (friction coefficient &gt; 0.005) | Integral wiper seals with ≤5 μm particle exclusion, positive pressure purge system at 0.1-0.3 bar |
| Misalignment exceeding 0.02 mm/100 mm perpendicularity tolerance | 8 | Edge loading with localized contact stress concentration &gt;3.5 GPa, leading to premature raceway brinelling | Kinematic mounting with 6-DOF adjustment (0.001 mm resolution), laser alignment verification to ISO 10791-2:2001 |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **CNC Machining Center**, **Coordinate Measuring Machine**, **Surface Grinding Machine**  
**Downstream Applications**: Industrial Robots, CNC Machine Tools, Packaging Machinery  

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

### Q: What are the main advantages of using linear guide rails in machinery manufacturing?
**A**: Linear guide rails provide precise, smooth, and low-friction linear motion, improving accuracy, reducing wear, and enhancing the overall performance and lifespan of machinery components.

### Q: How do I choose between hardened steel, stainless steel, and aluminum alloy linear rails?
**A**: Hardened steel offers maximum durability and load capacity for heavy-duty applications. Stainless steel provides corrosion resistance for harsh environments. Aluminum alloy is lightweight and suitable for applications where weight reduction is critical.

### Q: What maintenance is required for linear guide rail systems?
**A**: Regular lubrication of recirculating ball bearings, inspection of end seals for debris protection, and periodic cleaning of the rail surface are essential for maintaining optimal performance and extending service life.

## 6. Manufacturing Compliance
- ISO 10791-1:2015 (TEST CONDITIONS FOR MACHINING CENTRES)
- ANSI/B11.19-2019 (PERFORMANCE CRITERIA FOR SAFEGUARDING)
- DIN 645-1:2002 (LINEAR MOTION ROLLING BEARINGS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Linear Guide/Rail](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/linear-guiderail)**

### 🌐 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**: LINEAR_GUIDERAIL | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: ad535791
