Rotational Symmetrical Cutting Tool With Interlocking Disks
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Solution Overview
Problem
Existing rotationally symmetrical cutting tools have limited cover surfaces involved in the metal-cutting process, leading to a low material removal rate and laborious production, with manual interlocking of ring disks being cost-inefficient and difficult to automate.
Innovation Solution
A rotationally symmetrical tool design where each disk or ring disk has a single incision reaching to the center, allowing for easy sliding and twisting to achieve an angular offset of 360°/n, enabling all disks to participate in cutting and extending their service life by evenly distributing wear, with adjustable aids for alignment and adhesive application to prevent fluttering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple ring disks are interlocked with different incision shapes to achieve rotational symmetry, then the tool can cut material surfaces, but the production process becomes laborious and cannot be automated cost-effectively
Solution Approach 1:
All ring disks are given the same incision shape and structure, allowing them to be produced identically and assembled through a standardized sliding process. This homogeneity enables cost-effective automated production while maintaining the ability to achieve rotational symmetry through uniform angular offset arrangement.
2Area of stationary object
If only two ring disks are used in the tool, then the production process is simpler, but the cover surface area involved in metal-cutting is limited
Solution Approach 1:
The tool is divided into multiple identical ring disk segments that can be independently produced and then assembled together. Each segment contributes equally to the cover surface area, and the standardized design allows for scalable assembly without proportionally increasing production complexity.
Solution Approach 2:
Multiple ring disks are stacked and interlocked in a nested configuration where each disk slides into the incisions of adjacent disks. This nesting arrangement maximizes the utilization of cover surface area within a compact tool structure, allowing more cutting surfaces to engage the workpiece simultaneously.
3Stability of the object's composition
If ring disks are interlocked with complex incision shapes, then the tool achieves rotational symmetry, but the interlocking process cannot be automated
Solution Approach 1:
By making all ring disks identical with the same incision geometry, the assembly process becomes standardized and repeatable. This homogeneity allows for automated positioning and assembly while maintaining precise rotational symmetry through programmed angular offset arrangement of the uniform components.
Data Source
AI summary
A tool has disks or ring disks arranged for metal-cutting, which are stacked on top of each other in an overlapping fashion and engage into each other at their incisions which reach from the outer circumference up to the center point of the disks or the inner circumference of the ring disks. The incisions of the directly adjacent disks or ring disks are respectively angularly offset by 360°/n, with n being the number of the disks or ring disks. A production method is also provided for such a tool, in which the disks or ring disks are incised up to the center point or inner circumference, are completely slid into each other at the incisions, folded towards one another and displaced until an angular offset of the incisions of 360°/n is produced.