Fabrication method for transformers with an amorphous core

Details Fabrication method for transformers with an amorphous core Fabrication method for transformers with an amorphous core

1991-08-08

1993-07-13

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29609, 336234, H01F 4102

Patent

active

052262227

ABSTRACT:
A method for fabricating transformers each having a core made from a lamination body of strips made of an amorphous magnetic alloy comprises the steps of forming a ring-like lamination body using a grindstone cutter and a gas coolant to obtain a developed lamination body, shaping the developed lamination into a substantially rectangular core, assembling windings with the core using a sliding tool for inserting leg portions of the core into windows of windings, covering the core with a core cover and mounting a grounding member so as to ground the core to the ground.

REFERENCES:
patent: 4648929 (1987-03-01), Siman
patent: 4789849 (1988-12-01), Ballard et al.
patent: 4893400 (1990-01-01), Chenoweth

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