Abstract: A workpiece holder (10) having a plurality of elements (38) movable radially outwardly into engagement with an inner surface of a workpiece (74) in response to movement of a cam (48) and includes at least one spring-actuated latch (56) which engages the cam (48) and prevents disengagement of the workpiece holder (10) from the workpiece (74) during operation of the workpiece holder.

Abstract: A workpiece holder includes a plurality of elements movable radially outwardly into engagement with an inner surface of an annular workpiece in response to movement of a cam.

Abstract: An improved tip cap configuration for a turbomachinery blade includes tip cap seats formed integrally with and located on the inner sides of a hollow turbomachinery blade. Tip cap retaining members are also formed integrally with the inner wall of the blade and are spaced a short radial distance from the tip cap seats. The blade is initially provided with a flared open end and the tip caps are positioned on the seats and the flared end is crimped so as to capture the tip cap between the seats and the retaining members. The crimping operation is stopped at a point wherein a smooth outer contour is obtained for the blade in the region of the tip cap. A method of making such a blade is also disclosed.