Cutting Insert with Integrated Support for Small Diameter Boring
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing deep-hole drills are not suitable for drilling small diameters, as they lack the necessary geometry to effectively support cutting inserts for operations like boring and counterboring at diameters below 16 mm.
Innovation Solution
A cutting insert with an obliquely inclined cutting edge and integrated supporting surfaces, designed for tangential arrangement on an insert holder, which allows for reliable support and positioning during machining of small bore diameters, eliminating the need for additional guide elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional cutting insert geometry is used, then the tool can perform standard drilling operations, but it cannot effectively support cutting inserts for boring and counterboring operations at small diameters below 16 mm
Solution Approach 1:
The patent combines the cutting function and supporting function into a single integrated cutting insert geometry. The supporting surfaces are formed as integral parts of the cutting body, eliminating the need for separate guide elements. This merging allows the same cutting insert to perform both cutting and support functions, enabling small diameter boring operations while maintaining structural simplicity.
Solution Approach 2:
The cutting insert is designed with multi-functionality, serving both as a cutting tool and as a self-supporting element. The integrated supporting surfaces allow the cutting insert to perform multiple functions: cutting material, supporting itself during operation, and guiding the tool path, all without requiring additional components.
2Reliability
If additional guide elements are provided for supporting the cutting insert, then reliable support during machining is achieved, but the device complexity and space requirements increase
Solution Approach 1:
The cutting insert is designed to support itself through integrated supporting surfaces that are part of its own geometry. Instead of requiring external guide elements, the cutting insert's own body provides the necessary support surfaces that contact the workpiece, enabling self-supported operation during small diameter boring and counterboring operations.
3Ease of operation
If the cutting insert has a space-saving geometry, then manipulation and retention are simplified, but the supporting function may be compromised
Solution Approach 1:
The cutting insert combines cutting and supporting functions into a single compact geometry. The supporting surfaces are formed as integral parts of the cutting body, eliminating the need for separate guide elements. This merging allows the same cutting insert to perform both cutting and support functions, enabling small diameter boring operations while maintaining structural simplicity.
Data Source
AI summary
In the case of a cutting insert, in particular for counterboring and/or countersinking operations, the cutting insert has two longitudinal sides and two narrow sides between an upper side and an underside. A cutting edge is formed between one longitudinal side and one narrow side and runs obliquely in relation to the underside and extends over at least approximately the entire depth of the cutting body. A cutting face running between the upper side and the underside is provided in the longitudinal side that is facing the cutting edge.