Dual-Edge Turning Tool Layout for Faster CNC Indexing
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Solution Overview
Problem
Conventional turning tools on CNC-lathes require time-consuming turret rotation for indexing, leading to downtime when switching between different cutting tools, which hampers efficient machining of complex shapes.
Innovation Solution
A turning tool design with a coupling portion along a longitudinal axis, featuring two cutting elements with top surfaces facing the same direction, allowing for quick indexing along the Y-axis of the CNC-lathe, reducing the need for rotational movements and minimizing downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional turret rotation is used for indexing between turning tools, then different cutting tools can be switched, but downtime increases due to the time-consuming rotation process
Solution Approach 1:
The tool carrier is segmented to carry multiple turning inserts independently arranged along the longitudinal axis. Each insert can be positioned at different locations without requiring rotation of the entire tool carrier, enabling quick switching by simply moving the tool carrier along the Y-axis rather than rotating a turret.
2Adaptability or versatility
If multiple turning tools with different geometrical shapes are used to machine complex shapes, then machining versatility is improved, but the number of tool changes increases leading to more downtime
Solution Approach 1:
Multiple turning inserts with different geometrical shapes and orientations are merged into a single tool carrier. This allows the tool carrier to perform multiple machining functions without requiring separate tools, reducing tool change frequency and improving productivity while maintaining the ability to machine complex shapes.
Solution Approach 2:
The tool carrier is designed as a universal platform that can accommodate various types of turning inserts with different geometries. This multi-functional design eliminates the need for multiple specialized tools, allowing the same tool carrier to handle diverse machining operations without rotation or complex indexing.
3Device complexity
If conventional single-cutting-element tools are used, then tool structure is simple, but machining of complex shapes requires multiple tool changes increasing downtime
Solution Approach 1:
The tool carrier is divided into multiple independent insert positions along the longitudinal axis, allowing each cutting element to be optimized for specific operations while maintaining overall structural simplicity. The segmented design enables quick repositioning without complex mechanisms.
Data Source
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Figure 5~6
AI summary
A turning tool (1) comprising a coupling portion (3), wherein the coupling portion (3) extends along a coupling axis A2, the coupling axis (A2) defines a longitudinal axis of the turning tool (1), wherein the turning tool (1) comprises a first cutting element (7) and a second cutting element (8), wherein the first cutting element (7) comprises a first cutting edge (5); wherein the second cutting element (8) comprises a second nose cutting edge (6) separating and connecting a second forward cutting edge (13) and a second rearward cutting edge (15); wherein the first cutting element (7) comprises a first top surface (20), wherein the second cutting element (8) comprises a second top surface (21), wherein a first top surface (20) and the second top surface (21) are facing in the same or substantially the same direction.