Inclined Dual-Edge Turning Tool for Fast X-Axis Indexing
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Solution Overview
Problem
Conventional turning tools require time-consuming turret rotation for indexing between different cutting tools, leading to downtime in CNC-lathe operations, especially when machining complex shapes that require multiple orientations.
Innovation Solution
A turning tool design featuring intersecting first and second cutting elements inclined relative to each other, allowing for quick indexing through linear motion along the CNC-lathe's X-axis, with the cutting elements positioned along an imaginary circle or cylinder centered perpendicular to the coupling axis, enabling efficient switching between cutting elements without rotating the tool.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If turret rotation is used for indexing between different cutting tools, then tool switching capability is achieved, but downtime increases
Solution Approach 1:
The tool holder is segmented into multiple stations (first station with first cutting tool, second station with second cutting tool) arranged at different positions along the X-axis. This allows the CNC lathe to switch between tools by moving the tool holder linearly to different stations rather than rotating a turret, thereby reducing downtime while maintaining tool switching capability
Solution Approach 2:
The invention transitions from rotational indexing (turret rotation around a vertical axis) to linear positioning (movement along the X-axis). By arranging cutting tools at different X-axis positions instead of different angular positions, the system eliminates the need for turret rotation and achieves faster tool changes through linear motion
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
Solution Approach 1:
Multiple cutting tools with different geometrical shapes and orientations are merged into a single tool holder assembly with multiple stations. Each station can accommodate a different cutting tool, allowing the system to machine complex shapes requiring multiple orientations without increasing the frequency of tool changes, as all tools are accessible within one tool holder
Solution Approach 2:
The tool holder is designed as a universal assembly that can accommodate multiple types of cutting tools at different stations, each configured for different machining operations. This multi-functional design allows a single tool holder to perform the work of multiple separate tools, maintaining versatility while reducing tool change frequency
Data Source
AI summary
A turning tool includes a coupling portion extending along a coupling or longitudinal axis, a first cutting element having a first cutting edge, and a second cutting element having a second nose cutting edge separating and connecting a second forward cutting edge and a second rearward cutting edge. The first cutting element includes a first top surface and the second cutting element includes a second top surface. The first and second cutting elements intersect an imaginary circle or cylinder having a center axis perpendicular to the coupling axis. The first cutting element is inclined in relation to the second cutting element by an inclination angle, which is measured around the center axis of the imaginary circle. The second top surface faces in a direction, which is perpendicular to or substantially perpendicular to the coupling axis and perpendicular or substantially perpendicular to the center axis of the imaginary circle or cylinder.