Machine Tool Energy Chain Between Guide Rails

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Solution Overview

Problem

Existing machine tools face restrictions in their working area due to energy supply chains, which require increased clearances and complex protective measures, limiting their functionality and structural compactness.

Innovation Solution

The energy transmission chain is positioned between the outer guide rails of the linear guide, allowing it to be removed from the working area and protected by the cross slide, enabling a compact and stable machine tool design while maintaining electrical, hydraulic, and pneumatic connections.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the energy supply chain is arranged laterally to the cross slide, then electrical and hydraulic connections can be provided on the cross slide, but the working area of the machine tool is restricted due to increased clearances

Engineering Contradiction:
Improveelectrical and hydraulic connectionsVSAvoidworking area
Core Design Contradiction:
ReliabilityVSArea of stationary object

Solution Approach 1:

The energy supply chain is relocated from a lateral arrangement to a vertical arrangement between the guide rails, utilizing the vertical dimension to resolve the spatial conflict between connection reliability and working area availability

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Reliability

If the energy supply chain is arranged in the working area, then connections can be made, but complex protective housings are required to protect against damage

Engineering Contradiction:
Improveelectrical and hydraulic connectionsVSAvoidprotective housing
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The cross slide itself serves as the protective structure for the energy supply chain, eliminating the need for separate protective housings by utilizing the existing machine tool component

Inventive Principle:
Principle #25Self-service

3Area of stationary object

If the energy supply chain is positioned between guide rails, then the working area is freed, but the structural rigidity of the cross slide may be compromised

Engineering Contradiction:
Improveworking areaVSAvoidstructural rigidity
Core Design Contradiction:
Area of stationary objectVSStrength

Solution Approach 1:

The cross slide is designed as a multi-part structure with a guide part that connects to the linear guide, allowing the energy supply chain to be accommodated between guide rails while maintaining overall structural integrity through optimized segmentation

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP2695705B1Machine tool with energy supply line
Publication Date: 2017.04.12 WFL MILLTURN TECH
  • EP2695705B1 patent drawing
  • EP2695705B1 patent drawing
  • EP2695705B1 patent drawing

AI summary

The machine tool (1) has a longitudinal slide (3) which is attached to a linear guide (6). The linear guide is comprised with the two guide rails, and is displaceably mounted with respect to a cross slide (7). The longitudinal slide and the cross slide are secured with an energy supply chain (12). The energy supply chain is provided between the guide rails of the linear guide, and between the longitudinal slide and the cross slide.