Patent ID: 8572837

Claim:
A method of building at least a component of a rotor, comprising: stacking a plurality of discs, each disc comprising a plurality of teeth, to produce a stack of discs; adding, between a plurality of the teeth of each of the discs, a plurality of bars, at least some of the plurality of bars having a length longer than the height of the stack of discs; radially inserting, between each of at least some of the outer edges of the plurality of bars, a slug, wherein at least one of the slugs and the bars is coated with a braising material; applying a removable radial force to the slugs towards a center so as to compress faces of the slugs against faces of the bars; heating the slugs, plurality of bars and stack of discs to braise the slugs to the plurality of bars; and allowing the heated slugs, plurality of bars and stack of discs to cool.