F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
F01D5/12—Blades
F01D5/14—Form or construction
F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
B—PERFORMING OPERATIONS; TRANSPORTING
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C23/00—Extruding metal; Impact extrusion
B21C23/02—Making uncoated products
B21C23/04—Making uncoated products by direct extrusion
B21C23/14—Making other products
B21C23/16—Making turbo blades or propellers
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Architecture
(AREA)
General Engineering & Computer Science
(AREA)
Structures Of Non-Positive Displacement Pumps
(AREA)
Verfahren zum Schneiden oder Köpfen eines geschlossenen rohrförmigen Teiles, insbesondere eines durch Innenhochdruck geformten Werkstückes und Mittel zur Durchführung dieses Verfahrens