Annular Milling Tool with Dual-Helix Teeth for Two-Way Machining
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Solution Overview
Problem
Milling rings designed for either deep or surface machining are not adaptable for use in the opposite machining direction due to lack of cutting effect or unsuitable chip removal, limiting their versatility in machining workpieces.
Innovation Solution
A ring-shaped tool with cutting teeth featuring a right-hand twist on one side for deep milling and left-hand twist on the other side, allowing it to function as both a deep and surface milling ring, enabling efficient material removal and chip discharge in both directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a milling ring is designed for deep milling with cutting teeth on the radial outer edge, then it can effectively remove material from the depth of the workpiece, but it cannot effectively machine surfaces parallel to the workpiece surface due to lack of cutting effect in the desired milling direction
Solution Approach 1:
The milling ring is designed with dual functionality by providing cutting teeth on both the radial outer edge (for deep milling) and the side surfaces (for surface milling). This allows a single tool to perform both deep milling and surface milling operations, eliminating the need for tool changes and improving versatility.
Solution Approach 2:
The cutting teeth are segmented into different functional groups: external teeth on the radial outer edge for deep milling, and side surface teeth for surface milling. Each segment is optimized for its specific function, allowing the tool to effectively perform different machining operations.
2Productivity
If a milling ring is designed for surface milling with cutting teeth on the side surface, then it can machine large areas parallel to the workpiece surface, but it cannot effectively machine from the depth of the workpiece due to unsuitable chip removal direction
Solution Approach 1:
The milling ring incorporates cutting teeth on both the side surfaces (for surface milling) and the radial outer edge (for deep milling). This dual configuration enables the single tool to perform both surface milling and deep milling operations effectively, with each tooth group optimized for its specific operation type.
3Manufacturing precision
If cutting teeth are continued on the side surfaces of the depth milling ring to enable clean processing of side walls, then side wall quality improves, but the tool cannot be used for surface milling due to lack of cutting effect
Solution Approach 1:
The milling ring is designed with cutting teeth on both the radial outer edge and the side surfaces, creating a universal tool that can perform both deep milling (with clean side walls) and surface milling. The side surface teeth provide the additional functionality needed for surface milling while the external teeth maintain deep milling capability.
Data Source
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AI summary
The invention relates to a ring-shaped tool (100) for machining a workpiece (504), wherein the tool (100) has a mounting area (200) centered on its ring shape for attachment to a rotatable drive shaft (104), wherein the tool (100) has cutting teeth (106), wherein the teeth (106) extend on both sides of the tool from the head area (402) of the tool (100) towards the mounting area (200), wherein the teeth (106) on one side have a right-hand helix and are right-hand cutting, and the teeth (106) on the other side have a right-hand helix and are left-hand cutting.