Cutting Tool Slotted Ring Adjustment Mechanism

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Solution Overview

Problem

Existing cutting tools require a large amount of space for their adjustment devices, which weakens the main body of the tool.

Innovation Solution

A cutting tool design featuring a base body, a cutting body with a geometrically defined cutting edge, and an adjusting device with a slotted ring element that can be spread open using an adjusting screw, allowing for precise adjustment with minimal effort and space requirements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If a traditional adjustment device is used, then the cutting edge position can be adjusted, but the device requires a large amount of space which weakens the main body of the tool

Engineering Contradiction:
Improvecutting edge position adjustment precisionVSAvoidmain body strength
Core Design Contradiction:
Manufacturing precisionVSStrength

Solution Approach 1:

The adjustment device is segmented into a modular system consisting of a separate adjustment element with a ring structure that can be independently positioned and adjusted. This segmentation allows the adjustment function to be decoupled from the main body, reducing the need for extensive integration and minimizing structural weakening.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The ring-shaped adjustment element is designed to nest within or around existing tool structures, utilizing available space efficiently. The ring can be positioned within the tool body or around the cutting insert, allowing the adjustment mechanism to be contained within a compact volume without requiring additional external space that would compromise main body integrity.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Manufacturing precision

If a traditional adjustment device is used, then the cutting edge position can be adjusted, but the device requires a large amount of installation space

Engineering Contradiction:
Improvecutting edge position adjustment precisionVSAvoidadjustment device installation space
Core Design Contradiction:
Manufacturing precisionVSVolume of stationary object

Solution Approach 1:

The adjustment mechanism transitions from a linear or axial adjustment approach to a radial adjustment approach using a ring structure. This dimensional change allows the adjustment element to operate in the radial direction around the cutting insert, utilizing the circumferential space that would otherwise be unused, thereby minimizing the axial or lateral space requirements.

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

Solution Approach 2:

The ring-shaped adjustment element functions as a flexible structural component that can deform elastically under adjustment forces. This flexibility allows the ring to be widened or narrowed to accommodate cutting insert position adjustments, enabling the mechanism to perform within a compact volume without requiring rigid, space-consuming structures.

Inventive Principle:
Principle #30Flexible shells and thin films

3Volume of stationary object

If the ring is made thin to reduce installation space, then less effort is required to spread the adjusting element, but the structural integrity may be compromised

Engineering Contradiction:
Improveadjustment device installation spaceVSAvoidadjusting element structural reliability
Core Design Contradiction:
Volume of stationary objectVSReliability

Solution Approach 1:

The ring's cross-sectional dimensions and material properties are optimized to achieve the desired balance between thinness and strength. By carefully selecting the ring wall thickness, material strength parameters, and geometric configuration, the design achieves sufficient structural reliability for adjustment operations while maintaining a compact, space-efficient profile.

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution minimizes the installation space needed for the adjustment device, thereby reducing the weakening of the tool's main body and enhancing its functional reliability while allowing for precise cutting edge adjustments.

Implementation Method 1

an adjusting device 23 with an adjusting element 25 which can be spread open by means of an adjusting screw 29

Methodology Applied
Scientific EffectMechanical Force: Mechanical Force

Data Source

PatentEP2188083B2Cutting tool
Publication Date: 2014.07.23 MAPAL DR KRESS SE & CO KG
  • EP2188083B2 patent drawingFigure 1
  • EP2188083B2 patent drawingFigure 2
  • EP2188083B2 patent drawingFigure 3

AI summary

A cutting tool is proposed, comprising - a base body (11), - and at least one cutting body that can be attached to the base body (11), said cutting body having - at least one geometrically defined blade (43), and having - an adjusting device (23) comprising an adjusting element (25) that can be expanded by means of an adjusting screw (29). The cutting tool is characterized in that the adjusting element (25) is configured as a slotted ring (27), which is supported both on the cutting body and on the base body (11) of the cutting tool (1).