Integrally cast clamping block for multi-piece workpieces as well as method and device for producing it and breaking it open

摘要

The invention relates to an integrally cast clamping block (6) for clamping and holding double-bladed or multi-bladed turbine vane ring segments (1, 2, 3, 4) or workpieces of similar design for the purpose of machining them on a machine tool, in particular a grinding machine. The integrally cast clamping block (6) is formed by casting around the workpiece in a mould and essentially consists of two or more mould parts (7, 8) which enclose the workpiece from outside and are connected to one another by connecting webs (9, 11) while leaving an intermediate space (12) for inserting a mechanical break-open means, the connecting webs (9, 11) being designed as predetermined breaking points. <IMAGE>