A 5-meter special-shaped ring and a preparation method thereof
By employing forging, reaming, rolling, and heat treatment processes for aluminum-lithium alloy irregularly shaped rings, the manufacturing challenges of large irregularly shaped ring components have been solved, resulting in the production of high-performance 5-meter-class irregularly shaped rings that meet the high-strength requirements of aerospace devices.
CN117165814BActive Publication Date: 2026-05-29SOUTHWEST ALUMINUM GRP
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SOUTHWEST ALUMINUM GRP
- Filing Date
- 2023-08-31
- Publication Date
- 2026-05-29
AI Technical Summary
Technical Problem
Existing technologies make it difficult to manufacture large irregularly shaped ring components, especially those in the 5-meter range, as their performance and size cannot meet high requirements.
Method used
Using aluminum-lithium alloy materials, through steps such as forging, punching, reaming, rolling, machining, solution quenching and aging treatment, 5-meter-class irregular rings with an outer diameter of 5000-5500mm are prepared, possessing high triaxial mechanical properties.
Benefits of technology
High-performance manufacturing of 5-meter-class irregular rings has been achieved, with excellent levels of tangential and axial tensile strength, yield strength and elongation, meeting the requirements of large spacecraft.
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Abstract
The present application relates to the technical fields of ring preparation, and particularly relates to a 5-meter special-shaped ring and a preparation method thereof. The present application provides a 5-meter special-shaped ring and a preparation method thereof. The 5-meter special-shaped ring provided by the present application is an aluminum-lithium alloy special-shaped ring, and the outer diameter is 5000-5500 mm. The tangential tensile strength of the special-shaped ring is 485-587 MPa, the tangential yield strength is 408-536 MPa, and the tangential elongation rate is 5-13%. The axial tensile strength of the special-shaped ring is 485-551 MPa, the axial yield strength is 395-389 MPa, and the axial elongation rate is 5-8%. The radial tensile strength of the special-shaped ring is 493-552 MPa, the yield strength is 440-503 MPa, and the elongation rate is 3-6%. The method provided by the present application can prepare the above-mentioned 5-meter special-shaped ring, and the size of the special-shaped ring is large and the three-way mechanical properties are high.
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