Wheel and replaceable nose piece

摘要

An assembly includes a nose piece (430) and a boreless compressor wheel (420) having a nose end configured for receipt of the nose piece (430) and a receptacle (422) at a base end (426) configured for receipt of a rotatable shaft (401). A method includes fitting a nose piece (430) to a boreless compressor wheel (420), measuring unbalance and, based in part on the measuring, removing material from the nose piece (430).