AXIAL BLADE SLOT PRESSURE FACE WITH UNDERCUT

摘要

A blade and disk assembly includes a blade body and a disk body having a slot to receive the blade body. The blade body has a blade bearing surface. The slot has a disk bearing surface that contacts the blade bearing surface at a bearing interface. The slot has an undercut surface that is spaced apart from the blade body. An angle between the disk bearing surface and a line tangent to the undercut surface is at least 70 degrees.