| 摘要 |
<p>The method for manufacturing or repairing integrally bladed rotors such as high-pressure turbine blisks for gas-turbine engines, comprises forming pre-manufactured blades onto a periphery of a rotor disk in a joining process, connecting frontal joining surfaces of the blades to a joining surface on the periphery of the rotor disk or to a joining surface formed with connected blade stubs by a circular friction welding, and heating the joining surfaces by a balanced circular movement of one of the joining surfaces with constant blade angle of the blade to the rotor disk. The method for manufacturing or repairing integrally bladed rotors such as high-pressure turbine blisks for gas-turbine engines, comprises forming pre-manufactured blades onto a periphery of a rotor disk in a joining process, connecting frontal joining surfaces of the blades to a joining surface on the periphery of the rotor disk or to a joining surface formed with connected blade stubs by a circular friction welding, heating the joining area by a balanced circular movement of one of the joining surfaces with constant blade angle of the blade to the rotor disk, pressing the joining surfaces on each other in a plastic state of the joining area and into each other in a center position, and welding the joining surfaces with one another. The joining surface of the blade is circularly moved in a stationary joining surface of the rotor disk. The joining surfaces of the blade and the rotor disk are moved to each other in a co-directional, offset circular frictional movement. The different disk materials and blade materials are welded together with different mechanical and thermal loadability and same materials with different microstructures. The rotor blade and the rotor disk are welded together, which have cooling air channels merging into one another.</p> |
