INERTIA FRICTION WELDING DEVICE AND METHOD FOR TURBINE DISC SHAFT OF AIRCRAFT ENGINE

• Main Authors: HAIFENG YANG, CHUNBO ZHANG, LIMIN ZHAI, WENHAN ZHANG, YUNLEI LI, RUI LI, YUSHAN ZHAO, FENG QIN, YUE LIN, JUN ZHOU, HANLIN YAN, YANQUAN WU, WU LIANG, QI WANG
• Format: Patent
• Language: English
• Published: 30.06.2023
• Subjects: BLASTING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; ENGINE PLANTS IN GENERAL; HEATING; LIGHTING; MACHINE TOOLS; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; METAL-WORKING NOT OTHERWISE PROVIDED FOR; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; STEAM ENGINES; TRANSPORTING; WEAPONS; WELDING; WORKING BY LASER BEAM

The invention discloses an aircraft engine turbine disc shaft inertia friction welding device, wherein the welding device comprises an inertia friction welding machine main body 5 structure and a welding tooling fixture, the main body structure of the inertia friction welding machine comprises a main shaft box body assembly and a tailstock box body assembly, and the welding tooling fixture comprises a drum shaft tooling fixture, a turbine disc tooling fixture, a turbine rear shaft tooling fixture and a combination tooling fixture. Compared with the prior art, the welding device and method disclosed in the present 10 invention ensure the stability, dimensional accuracy and joint performance in the welding process of the aircraft engine turbine disc shaft, improve the production rate of the aircraft engine turbine disc shaft assembly and reduce the production cost.