Modular Cutting Tool With Spacer Element For Simultaneous Chamfering
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Solution Overview
Problem
Conventional cutting tools require multiple operations to create chamfers, grooves, and joints on both sides of a workpiece, increasing the effort and complexity, especially when applying these features to multiple stackable workpieces.
Innovation Solution
A cutting tool design featuring a holder with parallel bores, multiple interfaces for coupling cutting inserts and spacer elements, allowing for simultaneous production of multiple chamfers, grooves, or joints at precise distances, with the option to use conventional inserts and adapt interfaces for different requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional cutting tools with one cutting tip are used, then the tool structure is simple, but multiple operations are required to create chamfers on both top and bottom of workpieces, increasing manufacturing time and complexity
Solution Approach 1:
The tool is divided into modular components: a holder, multiple cutting inserts (first and second cutting inserts), and a spacer element. Each cutting insert can be independently mounted on opposite sides of the spacer, enabling simultaneous machining of both workpiece surfaces in a single operation while maintaining manageable component-level complexity
Solution Approach 2:
The cutting inserts and spacer element are nested within the holder structure. The first cutting insert is mounted on one side of the spacer element, and the second cutting insert is mounted on the opposite side, with all components contained within the holder's bore, creating a compact multi-functional tool
2Manufacturing precision
If multiple cutting inserts and spacer elements are coupled to create chamfers at precise distances, then manufacturing precision is improved, but the device complexity increases
Solution Approach 1:
The interfaces (first interface, second interface, third interface, fourth interface) are designed with corresponding geometries that enable universal coupling between the holder, cutting inserts, and spacer element. This standardized interface design allows precise positioning and coupling of multiple components while maintaining a manageable overall structure through repeated use of the same interface pattern
Solution Approach 2:
The spacer element acts as an intermediary component between the first and second cutting inserts. It provides a fixed, precisely defined distance between the two cutting surfaces, ensuring accurate spacing for creating chamfers at controlled intervals while simplifying the coupling mechanism through its standardized interfaces
3Ease of manufacture
If spacer elements are produced in series with certain lengths, then manufacturing efficiency is improved, but adaptability to different distance requirements decreases
Solution Approach 1:
The spacer element's key parameter (length) is standardized for series production, while the interface geometry remains consistent. This allows the same spacer design to be manufactured in batches, and different spacer lengths can be selected or combined to achieve various cutting insert spacing requirements, maintaining both manufacturing efficiency and design flexibility
Data Source
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AI summary
The invention relates to a cutting tool (10) for machining a workpiece, having a holder (12) comprising a holder bore (30) parallel to the axis thereof and a first interface (28) for coupling a cutting insert (14) to an interface (36) corresponding to the first interface (28), a first cutting insert (14) having a second interface (36) corresponding to the first interface (28) for coupling to an interface (28) corresponding to the second interface (36), and having a third interface (38) disposed opposite thereto, a spacer element (16) having a fourth interface (46) corresponding to the third interface (38) for coupling to an interface (38) corresponding to the fourth interface (46), and having a fifth interface (50) disposed opposite thereto, a second cutting insert (18) having a sixth interface (52) corresponding to the fifth interface (50) for coupling to an interface (50) corresponding to the sixth interface (52), at least one attaching element (20) for attaching the cutting inserts (14, 18), the spacer elements (16), and the holder (12) to each other, wherein the first cutting insert (14), the second cutting insert (18), and the spacer element (16) each comprise bores (42) in the longitudinal direction thereof coaxial to the holder bore (30).