Deburr tool
The flexible deburr tool with an expandable head addresses the challenge of in-situ deburring non-straight tubes by collapsing to fit through turns and expanding to engage the inner wall, effectively removing burrs in pre-assembled aircraft engine assemblies.
US20250312879A1Pending Publication Date: 2025-10-09SPIRIT AEROSYSTEMS INC
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Patent Information
- Application Number
- US18/630511
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-10-09
AI Technical Summary
Technical Problem
Existing tools are unable to effectively navigate and deburr the interior of non-straight tubes like Piccolo tubes in aircraft engine assemblies without disassembling the engine, as they fail to traverse the turns and engage the inner wall reliably.
Method used
A flexible deburr tool with an expandable burr removal head that can collapse to fit through turns and expand to engage the inner wall, comprising a flexible drive shaft and adjustable burr removal elements, allowing in-situ deburring of non-straight tubes.
Benefits of technology
Enables reliable deburring of Piccolo tubes in pre-assembled aircraft engines by navigating turns and engaging the inner wall effectively, ensuring burrs are removed without damaging the tube.
✦ Generated by Eureka AI based on patent content.
Abstract
A deburr tool has a flexible drive shaft and an expandable burr removal head. The expandable burr removal head is selectively collapsible and expandable. While collapsed, the burr removal head can navigate through the lumen of a non-straight tube, including across the abrupt right angle turn from an inlet tube section to an outlet tube section in an aircraft Piccolo tube. When expanded, the burr removal head engages the inner wall of the tube. The flexible drive shaft operatively connects the burr removal head to a prime move such that the prime mover drives rotation of the burr removal head while expanded. The rotating, expanded burr removal head removes burrs from inside the tube.
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