---
title: "Bed and Slideways"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:BED_AND_SLIDEWAYS"
  data_integrity_hash: "4a8a4221715374aa09d902f563a5c127"
  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:BED_AND_SLIDEWAYS"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/bed-and-slideways.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/bed-and-slideways"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-2.0 m/s linear velocity, 0.005-0.02 mm/m straightness tolerance, 0.01-0.05 mm/m flatness tolerance"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.1
    unit: "mm"
    consequence: "Adhesive wear (Archard's wear equation: V=KWL/H, where K=1×10⁻⁶ for steel-steel), fretting corrosion at contact interfaces, thermal deformation (α=11×10⁻⁶/°C for cast iron), hydrodynamic lubrication breakdown at &lt;0.1 m/s"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Inadequate lubrication film thickness (h&lt;3×Rq, where Rq=0.8 μm surface roughness)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Forced lubrication system with 0.1 MPa pressure, 20 μm filtration, and viscosity monitoring (ISO VG 32 at 40°C)"
  - node_2:
      trigger: "Thermal gradient exceeding 2°C/cm across bed length"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Symmetrical rib design with thermal mass balance, temperature-controlled coolant at 20±1°C, and Invar 36 inserts (α=1.2×10⁻⁶/°C)"
bom_nodes:
  bed-casting:
    type: "component"
    urn: "URN:CNFX:ME:BED_CASTING"
    interface_type: "physical-logic-coupled"
  hardened-slideways:
    type: "component"
    urn: "URN:CNFX:ME:HARDENED_SLIDEWAYS"
    interface_type: "physical-logic-coupled"
  way-covers:
    type: "component"
    urn: "URN:CNFX:ME:WAY_COVERS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 230-1:2012 - TEST CODE FOR MACHINE TOOLS - PART 1: GEOMETRIC ACCURACY OF MACHINES OPERATING UNDER NO-LOAD OR QUASI-STATIC CONDITIONS"
    scope: "Verified Engineering Specification"
  - standard: "ANSI B5.54-2005 - METHODS FOR PERFORMANCE EVALUATION OF COMPUTER NUMERICALLY CONTROLLED MACHINING CENTERS"
    scope: "Verified Engineering Specification"
  - standard: "DIN 8602-1:1985 - MACHINE TOOLS; SLIDEWAYS; GENERAL REQUIREMENTS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/bed-and-slideways.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "890cb7c26537457f0fd624540b097532c4705b378b4e2b93cd013db182ca58da"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Bed and Slideways

## 1. Technical Definition
The foundational structural component of a CNC turning machine that provides rigid support and precision linear motion for cutting operations.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-2.0 m/s linear velocity, 0.005-0.02 mm/m straightness tolerance, 0.01-0.05 mm/m flatness tolerance**. Failure boundary: **Wear depth exceeding 0.1 mm on sliding surfaces, straightness deviation &gt;0.05 mm/m, flatness deviation &gt;0.1 mm/m, vibration amplitude &gt;5 μm at 100 Hz**, Mechanism: **Adhesive wear (Archard's wear equation: V=KWL/H, where K=1×10⁻⁶ for steel-steel), fretting corrosion at contact interfaces, thermal deformation (α=11×10⁻⁶/°C for cast iron), hydrodynamic lubrication breakdown at &lt;0.1 m/s**.

### 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 |
| :--- | :--- | :--- | :--- |
| Inadequate lubrication film thickness (h&lt;3×Rq, where Rq=0.8 μm surface roughness) | 8 | Metal-to-metal contact causing adhesive wear and scoring | Forced lubrication system with 0.1 MPa pressure, 20 μm filtration, and viscosity monitoring (ISO VG 32 at 40°C) |
| Thermal gradient exceeding 2°C/cm across bed length | 8 | Thermal deformation causing loss of geometric accuracy | Symmetrical rib design with thermal mass balance, temperature-controlled coolant at 20±1°C, and Invar 36 inserts (α=1.2×10⁻⁶/°C) |

## 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**: **CNC Control System**, **Coolant Filtration System**, **Automatic Tool Changer**  
**Downstream Applications**: Precision Shafts, Automotive Engine Components, Aerospace Fasteners  

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

### Q: What materials are used in bed and slideways construction?
**A**: Our bed and slideways are manufactured from high-grade cast iron and hardened steel, providing optimal rigidity, vibration damping, and wear resistance for precision machining.

### Q: How do bed and slideways affect CNC turning accuracy?
**A**: The bed provides the foundational support structure, while precision-ground slideways ensure smooth, accurate linear motion of the carriage and tailstock, directly impacting machining tolerances and surface finish quality.

### Q: What maintenance do hardened slideways require?
**A**: Hardened slideways require regular lubrication, way cover inspection to prevent chip intrusion, and periodic alignment checks to maintain precision. Proper maintenance significantly extends component lifespan.

## 6. Manufacturing Compliance
- ISO 230-1:2012 - TEST CODE FOR MACHINE TOOLS - PART 1: GEOMETRIC ACCURACY OF MACHINES OPERATING UNDER NO-LOAD OR QUASI-STATIC CONDITIONS
- ANSI B5.54-2005 - METHODS FOR PERFORMANCE EVALUATION OF COMPUTER NUMERICALLY CONTROLLED MACHINING CENTERS
- DIN 8602-1:1985 - MACHINE TOOLS; SLIDEWAYS; GENERAL REQUIREMENTS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Bed and Slideways](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/bed-and-slideways)**

### 🌐 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**: BED_AND_SLIDEWAYS | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 58a861f7
