Fabrication of detail parts for superconducting magnets by resin

Details Fabrication of detail parts for superconducting magnets by resin Fabrication of detail parts for superconducting magnets by resin

1991-12-31

1993-08-03

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

264257, 264279, 2642791, 2643284, B29C 3340

Patent

active

052326500

ABSTRACT:
A process for the fabrication of detail parts for superconducting magnets, such as end saddles, wedge tips, spacers and keys, by a resin transfer molding process, the attributes of which are also utilized in the subsequent fabrication of the superconducting magnet. Pursuant to the process, initially engineering specifications for the detail part are utilized to produce a master mold part for the detail part, while taking into account a calculated resin shrinkage factor. The master mold part is then utilized to fabricate a resin transfer mold for the detail part. A preform for the detail part is then placed into the resin transfer mold, and the mold is closed with the preform therein. A two-stage curing resin is then injected into the mold, and the mold is heated to partially cure the molded detail part. The partially cured detail part is then removed from the resin transfer mold. A coil winding assembly is then fabricated, while precisely positioning each partially cured detail part relative to the coil windings to produce a coil winding assembly. The coil winding assembly is then placed into a curing press, and the coil winding assembly is then pressed and heated therein. The resin softens in this final curing stage to allow each detail part to conform to the coil windings to produce a final coil winding assembly.

REFERENCES:
patent: 4988469 (1991-01-01), Reavely et al.
patent: 5023041 (1991-06-01), Jones et al.

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