Asymmetrical Tooth Tips for Multi-Material Machining
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Solution Overview
Problem
Conventional machining tools with cutting particles suffer from reduced cutting performance due to high packing density, leading to lateral dislocation and reduced tool lifetime, as well as inadequate material removal due to lack of intermediate spaces in the cutting channel.
Innovation Solution
The introduction of asymmetrical tooth tips with different cutting particle angles for each direction of movement and the use of buffer particles to maintain desired distances between cutting particles, preventing excessive packing density and enhancing machining efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If cutting particles are densely packed on the tooth tip, then the cutting edge is more robust and can machine harder materials, but the cutting performance decreases due to lateral dislocation and reduced tool lifetime
Solution Approach 1:
The tooth tip is designed with asymmetrical geometry where the first connecting surface has a different angle than the second connecting surface. This asymmetry creates distinct cutting edges optimized for different directions of movement, allowing one edge to machine brittle materials while the other machines ductile materials, thereby maintaining high cutting performance without excessive packing density
Solution Approach 2:
Different regions of the tooth tip are given different properties through asymmetrical design. The first connecting surface is optimized for machining brittle materials with one angle configuration, while the second connecting surface is optimized for ductile materials with a different angle configuration, allowing each local region to perform its specific function optimally
2Quantity of substance
If cutting particles are closely spaced, then more cutting portions are available for material removal, but intermediate spaces are insufficient leading to inadequate chip evacuation and reduced machining efficiency
Solution Approach 1:
The tooth tip is segmented into distinct functional regions with different connecting surface angles. This segmentation creates separate cutting zones that can handle different material types independently, ensuring adequate intermediate spaces for chip evacuation in each zone while maintaining sufficient cutting portions overall
3Adaptability or versatility
If a single machining tool is used for both brittle and ductile materials, then tool versatility is improved, but the tool design becomes complex requiring asymmetrical tooth tips with different angles
Solution Approach 1:
The tooth tip employs asymmetrical geometry with different connecting surface angles to achieve versatility. The first connecting surface angle is optimized for brittle materials while the second connecting surface angle is optimized for ductile materials, allowing a single tool to machine both material types effectively without requiring multiple specialized tools
Data Source
AI summary
A machining tool (1) includes a tooth (3) having a tooth tip (4) being covered with cutting particles (5) to form a plurality of geometrically undefined cutting portions. The tooth tip (4) is designed to be asymmetrical. The machining tool (1) thus is a 2-in-1 machining tool including differently designed sides of the tooth tips (4) which are suitable for efficiently machining different materials.