Sawing Device with Movable Cross Slide and Saw Unit

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Solution Overview

Problem

Existing sawing devices for processing large semi-finished products require a significant footprint and high structural outlay, limiting their flexibility and usability in confined spaces, and are often inefficient for manual or semi-automatic operations.

Innovation Solution

A compact sawing device design where the saw unit and cross slide can be moved, allowing for longer continuous cuts by combining their travel paths, with the saw unit positioned below the machine support for increased mobility and flexibility, enabling both automated and manual operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the sawing device is designed with fixed saw unit and cross slide, then the structure is simpler and more stable, but the device cannot perform continuous cuts longer than the individual travel paths and requires larger footprint for automation

Engineering Contradiction:
Improvecontinuous cut length capabilityVSAvoidstructural complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies the dynamics principle by making both the saw unit and cross slide movable rather than fixed. The saw unit can be positioned at different locations along the feed axis, and the cross slide can be moved manually or automatically. This dynamic configuration allows the device to perform continuous cuts longer than the individual travel paths of either component alone, resolving the contradiction between adaptability and structural complexity.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the saw unit is positioned above the machine support, then the structure is more conventional and stable, but the device occupies more space and reduces mobility

Engineering Contradiction:
Improvemobility and flexibilityVSAvoidoperational convenience
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent applies the inversion principle by positioning the saw unit below the machine support rather than above it. This inverted configuration allows the saw unit to be guided onto workpieces from below or moved and positioned underneath workpieces, increasing mobility and flexibility while maintaining operational convenience through proper design of the support structure and access paths.

Inventive Principle:
Principle #13The other way round (Inversion)

3Productivity

If automated processing is implemented with fixed components, then processing efficiency is high, but the device requires large footprint equal to or greater than the maximum semi-finished product size

Engineering Contradiction:
Improveprocessing efficiencyVSAvoiddevice footprint
Core Design Contradiction:
ProductivityVSArea of stationary object

Solution Approach 1:

The patent applies the dynamics principle by implementing automated processing with movable components rather than fixed ones. The cross slide can be moved automatically along with the saw unit, allowing the device to process large semi-finished products efficiently while occupying a smaller footprint. The ability to reposition both the saw unit and cross slide dynamically enables the system to handle products larger than the device footprint would suggest.

Inventive Principle:
Principle #15Dynamics

4Area of stationary object

If the travel range of saw unit and cross slide is limited, then the device is more compact and requires less space, but the maximum executable continuous saw cut length is reduced

Engineering Contradiction:
Improvedevice footprintVSAvoidmaximum cut length capability
Core Design Contradiction:
Area of stationary objectVSAdaptability or versatility

Solution Approach 1:

The patent applies the dynamics principle by allowing both the saw unit and cross slide to be movable with coordinated motion control. The control system coordinates the movement of both components so that their travel paths add up, enabling continuous saw cuts longer than the individual travel ranges of either component alone. This dynamic coordination allows the device to maintain a compact footprint while achieving extended cut length capability.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP2608917B1Sawing device
Publication Date: 2015.10.14 WILHELM ALTENDORF GMBH & CO KG
  • EP2608917B1 patent drawingFigure 1
  • EP2608917B1 patent drawingFigure 2
  • EP2608917B1 patent drawingFigure 3

AI summary

The invention relates to a sawing device (10), comprising at least one sawing unit (61) and a machine support (51), wherein the sawing unit (61) and the machine support (51) are coupled to a machine base frame (50), and wherein the sawing unit (61) is mounted underneath the machine support (51) rotatably about a rotational axis (R) and displaceably along an advancement axis (VA). The machine base frame (50) comprises a transverse carriage (30a) having a support surface (31) for supporting a workpiece. The sawing device (10) is characterized in that, when the sawing unit (61) and machine base frame (50) are coupled, both the sawing unit (61) and the transverse carriage (30a) are displaceably arranged and cutting guidance is possible, during which both the sawing unit (61) and the transverse carriage (30a) are displaced simultaneously.