IMPROVEMENTS IN OR RELATING TO METHOD MAKING A MAGNETIC CORE

A method of constructing a jointed magnetic core from amorphous metal, including winding a closed core loop having a plurality of nested lamination turns disposed about a core window, positioning the closed core loop on a support surface with the winding axis horizontally disposed, to allow the flexibility of amorphous metal to collapse the loop opening and create a concave loop in the unsupported portion of the closed core loop, the further step of lifting a plurality of lamination turns from the concave loop portion, to provide a clearance between the raised lamination turns and the remaining lamination turns in the concave loop to facilitate cutting the lamination turns. cutter cuts raised lamination turns, and is indexed to stagger the cuts to create a predetermined stepped-lap joint pattern.