Segmented Cutting Plate Geometry for Stable Cutting Corners
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Solution Overview
Problem
Existing cutting plates are prone to instability and breakage at the cutting corner during machining, which affects cutting performance and stability, especially at low axial depths and with the risk of chatter.
Innovation Solution
The cutting plate is designed with a lateral face that is broken into sub-faces, providing reinforcement at the cutting corner and below it, by allowing for a more solid configuration while still accommodating the plate seat. This is achieved through a clearance face that protrudes over the contact face, particularly at the cutting corner, enhancing stability and material availability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the cutting plate is designed with a simple planar lateral face, then the manufacturing is easier and the structure is simpler, but the cutting corner stability is insufficient and the plate is prone to breakage
Solution Approach 1:
The lateral face is segmented into multiple sub-faces (first lateral face, second lateral face, third lateral face, fourth lateral face) that meet at the cutting corner. This segmentation allows each face to be optimized for specific functions: the first and second faces provide reinforcement at the cutting corner, while the third and fourth faces accommodate the plate seat geometry, thereby improving cutting corner stability without requiring a completely complex overall structure.
Solution Approach 2:
The cutting corner region is given special structural quality through the convergence of four lateral faces, creating a reinforced local geometry. The first and second lateral faces are specifically designed to meet at the cutting corner to provide enhanced strength and stability in this critical region, while other regions of the plate maintain simpler geometries for manufacturing ease.
2Strength
If more material is added to reinforce the cutting corner, then the stability and strength improve, but the volume and weight of the cutting plate increase
Solution Approach 1:
Instead of adding material uniformly throughout the plate, the reinforcement is achieved through segmented lateral faces that converge at the cutting corner. This localized geometric configuration provides strength through angular support and material distribution optimized for the critical corner region, rather than increasing overall plate volume.
Solution Approach 2:
The reinforcement strategy moves from adding material in the radial direction (increasing plate thickness) to utilizing the angular dimension by configuring multiple lateral faces that meet at the cutting corner. This dimensional approach to reinforcement provides structural strength through geometric configuration rather than单纯 material addition.
3Adaptability or versatility
If the lateral face is broken into multiple sub-faces, then the design freedom increases and cutting corner reinforcement is achieved, but the manufacturing complexity increases
Solution Approach 1:
The lateral face segmentation into four distinct faces provides design freedom to optimize each face's orientation and geometry for specific functions (cutting corner reinforcement, plate seat accommodation). Despite this segmentation, the faces can be manufactured as integrated features of a single plate body through conventional machining or forming processes, limiting the increase in manufacturing complexity.
Solution Approach 2:
The segmented lateral face structure serves multiple functions simultaneously: the first and second faces reinforce the cutting corner, the third and fourth faces accommodate the plate seat geometry, and all four faces together provide stable mounting surfaces. This multi-functionality reduces the need for additional separate components or features, thereby limiting the increase in manufacturing complexity despite the enhanced adaptability.
Data Source
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AI summary
A tool (2) is provided, which comprises at least one cutting plate (4) for machining a workpiece, comprising a carrier (6), having a plate seat (8) for the cutting plate (4), wherein the cutting plate (4) comprises a cutting edge (10) for machining the workpiece, wherein the cutting plate (4) comprises a cutting corner (12) where the cutting edge (10) terminates, wherein the cutting plate (4) comprises a lateral face (24) having a contact face (26) and a clearance face (28), wherein the contact face (26) abuts the plate seat (8), wherein the clearance face (28) is circumscribed by the cutting edge (10), wherein, at least at the cutting corner (12), the clearance face (28) protrudes in relation to the contact face (26). Furthermore, a corresponding cutting plate (4) for such a tool (2) is provided.