Method for producing a milled part with a countersinking tool and countersinking tool
The use of a bell-type countersink for blisk production addresses the time-consuming nature of traditional milling methods by improving alignment and reducing material stress, thereby enhancing the efficiency and stability of blisk manufacturing.
GB2607150BActive Publication Date: 2025-06-04KENNAMETAL INC
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Patent Information
- Application Number
- GB2022002873
- Authority / Receiving Office
- GB · GB
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-03-04
- Filing Date
- 2022-03-02
- Publication Date
- 2025-06-04
- Estimated Expiration
- 2042-03-02
AI Technical Summary
Technical Problem
The production of blisks is time-consuming due to the complex geometry of blade profiles, requiring extensive rough-machining with side or end milling cutters and subsequent use of form milling cutters, which complicates programming and increases material fatigue.
Method used
Employing a bell-type countersink for rough-machining that follows a 3-axial or 5-axial linear path, allowing for better alignment with the blade profiles and reducing the need for form milling, while using a 5-axial movement for finishing to stabilize the blade profiles and minimize material stress.
Benefits of technology
Significantly reduces the time required for rough-machining and stabilizes the blade profiles during machining, minimizing material fatigue and simplifying the production process.
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Abstract
The method for producing a blisk 20 comprising channels 24 extending between blade profiles 22 uses a bell-type countersink 10 having a conical lateral surface 14. The method includes the steps of pro
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