---
title: "Linear Guideways"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:LINEAR_GUIDEWAYS"
  data_integrity_hash: "84dc5f2acb30fb85c61fc33b2eb343e4"
  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_GUIDEWAYS"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/linear-guideways.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/linear-guideways"
  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, 0.5-15 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 (σ_y = 1.2 GPa for GCr15 bearing steel), lubricant starvation leading to adhesive wear (Archard wear coefficient K &gt; 10^-4 mm³/N·m), thermal expansion mismatch (Δα = 11×10^-6/°C steel vs 23×10^-6/°C aluminum) causing preload loss"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Contaminant ingress (ISO 4406 particle count &gt; 18/15/12) exceeding 3 μm clearance"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integral wiper seals with 0.5 μm filtration, positive pressure purge system at 0.2 bar above ambient"
  - node_2:
      trigger: "Misalignment exceeding 0.05 mm/100 mm mounting tolerance"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Kinematic mounting with 6-DOF adjustment, laser alignment to 0.01 mm/m parallelism"
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"
  ball-bearings:
    type: "component"
    urn: "URN:CNFX:ME:BALL_BEARINGS"
    interface_type: "physical-logic-coupled"
  end-caps:
    type: "component"
    urn: "URN:CNFX:ME:END_CAPS"
    interface_type: "physical-logic-coupled"
  mounting-holes:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_HOLES"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 10791-1:2015 (GEOMETRIC ACCURACY OF LINEAR MOTION AXES)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/B11.19-2019 (PERFORMANCE CRITERIA FOR SAFEGUARDING)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 645-1:1992 (LINEAR BALL BEARINGS AND LINEAR BALL BEARING UNITS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/linear-guideways.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "fe57b345be18a3dee116b3a797b82c515d91447a0ff3c23f189d8afa31f75d73"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Linear Guideways

## 1. Technical Definition
Precision linear motion components that provide smooth, accurate guidance for moving parts along a straight path.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-100 m/s linear velocity, -20°C to 80°C ambient temperature, 0.5-15 kN load capacity**. Failure boundary: **Hertzian contact stress exceeding 2.5 GPa for steel-on-steel interfaces, lubricant film thickness below 0.1 μm boundary lubrication threshold, ball/roller deformation exceeding 0.001% of diameter**, Mechanism: **Hertzian contact fatigue due to cyclic loading exceeding material yield strength (σ_y = 1.2 GPa for GCr15 bearing steel), lubricant starvation leading to adhesive wear (Archard wear coefficient K &gt; 10^-4 mm³/N·m), thermal expansion mismatch (Δα = 11×10^-6/°C steel vs 23×10^-6/°C aluminum) causing preload loss**.

### 2.1 Analytical Physics Model
Governed by the **Harmonic Vibration Force Generation**:

> **Primary Equation**: $F_e = m \cdot r \cdot \omega^2 \sin(\omega t)$  
> **Engineering Impact**: Calculates centrifugal force for vibratory sifters/feeders.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| m | Eccentric Mass | Engineering Constant |
| r | Radius | Engineering Constant |
| \omega | Angular Frequency | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Contaminant ingress (ISO 4406 particle count &gt; 18/15/12) exceeding 3 μm clearance | 8 | Three-body abrasive wear increasing friction coefficient from μ=0.001 to μ&gt;0.1 | Integral wiper seals with 0.5 μm filtration, positive pressure purge system at 0.2 bar above ambient |
| Misalignment exceeding 0.05 mm/100 mm mounting tolerance | 8 | Edge loading causing localized Hertzian stress concentration factor K_t=3.2 | Kinematic mounting with 6-DOF adjustment, laser alignment to 0.01 mm/m parallelism |

## 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 Centers**, **Coordinate Measuring Machines**, **Assembly Automation Systems**  
**Downstream Applications**: Industrial Robots, Medical Imaging Equipment, Semiconductor Manufacturing Equipment  

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

### Q: What are the main advantages of using linear guideways in machinery manufacturing?
**A**: Linear guideways provide superior precision, smooth motion, high load capacity, and minimal friction compared to traditional sliding mechanisms. They ensure accurate positioning and repeatability for automated equipment.

### Q: How do I choose between hardened steel, stainless steel, and aluminum alloy linear guideways?
**A**: Hardened steel offers maximum durability for heavy-duty applications, stainless steel provides corrosion resistance for harsh environments, and aluminum alloy reduces weight while maintaining strength for applications where weight is a concern.

### Q: What maintenance is required for linear guideway systems?
**A**: Regular cleaning to remove debris, periodic lubrication of ball bearings, and inspection for wear on the carriage and rail surfaces. Most quality linear guideways require minimal maintenance when properly installed and protected from contaminants.

## 6. Manufacturing Compliance
- ISO 10791-1:2015 (GEOMETRIC ACCURACY OF LINEAR MOTION AXES)
- ANSI/B11.19-2019 (PERFORMANCE CRITERIA FOR SAFEGUARDING)
- DIN 645-1:1992 (LINEAR BALL BEARINGS AND LINEAR BALL BEARING UNITS)

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

### 🌐 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**: LINEAR_GUIDEWAYS | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 3b22f2ad
