Superconducting coil conformal tooling

By designing a conformal tooling for superconducting coils, fixing the coils with brackets and fixed structures, and adjusting the position of the clamping plate with an adjustment component, the problem of deformation of the Nb3Sn superconducting material coils during heat treatment was solved, and magnetic field uniformity and assembly stability were achieved.

CN120149055BActive Publication Date: 2025-09-09聚变新能(安徽)有限公司 +1
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Patent Information

Application Number
CN202510631439.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-05-16
Publication Date
2025-09-09
Estimated Expiration
2045-05-16

AI Technical Summary

Technical Problem

Nb3Sn superconducting material coils are prone to deformation during heat treatment, resulting in decreased magnetic field uniformity and difficulty in assembly.

Method used

A superconducting coil conformal tooling is designed, which includes a bracket and multiple fixed structures. The bracket fixes the overall shape of the coil, the fixed structures limit the various surfaces of the coil, and the adjustment component is used to adjust the position of the clamping plate to reduce deformation.

Benefits of technology

The coil can be effectively controlled to prevent deformation during heat treatment, ensuring uniformity of the magnetic field and good assembly with fusion device components, with low cost and simple structure.

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Abstract

The present invention discloses a superconducting coil conformal tooling, which relates to the technical field of superconducting coils and is used to conform the coils during the heat treatment process of the superconducting coils. The coils are wound in a ring shape and have a radial inner side surface, a radial outer side surface, and two axial end surfaces. The superconducting coil conformal tooling includes: a bracket and a plurality of fixed structures, the bracket forms a ring shape; the plurality of fixed structures are connected to the bracket and are arranged at intervals along the circumference of the bracket, each fixed structure includes a plurality of clamping plates, the plurality of clamping plates include a first clamping plate, a second clamping plate, and a third clamping plate; the first clamping plate is used to limit the radial inner side surface of the coil, the second clamping plate is away from the center of the bracket relative to the first clamping plate, and is used to limit the radial outer side surface of the coil, and the third clamping plate is arranged between the first clamping plate and the second clamping plate, and is used to limit the two axial end surfaces of the coil. The superconducting coil conformal tooling of the present invention can conform the coil to reduce the deformation of the coil during the heat treatment process.
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Citation Information

Patent Citations

  • Inner winding falling die forming system of large-scale multi-layer multi-turn spiral superconducting coil

    CN220121642U