A UNIVERSAL ADJUSTABLE DEVICE FOR ROOT AND SHROUD MILLING OF STEAM TURBINE BLADES ON CNC HORIZONTAL MACHINING CENTER

摘要

A universal adjustable device for root and shroud milling of steam turbine blades on CNC horizontal machining center comprising at least one base (1); at least one blade rest (2); at least one wedge (3) having a taper surface (13); at least one bolt (4) fitted to the wedge; at least one nut (5); at least one cover plate (6); a plurality of screws (7); The blade rest (2) having keys (12) on both side is guided in the slot (8) of the base (1) and rests on the wedge (3) for creating a surface of blade rest (2) at an angle with the horizontal for a tapered machining corresponding to the angle of the turbine blade wherein the bolt (4) is welded to a nut (5) and fitted to the threaded hole of the wedge (3) for moving the wedge horizontally for adjustment of the height of the blade rest (2).