Producing intermediate casing of turbine engine by fixing rectifier and hollow arm on hub by welding, which is friction welding of first surface of rectifier and second surfaces of arm on hub, where casing comprises inner and outer shells

摘要

The method for producing an intermediate casing of a turbine engine comprises fixing a rectifier and a hollow arm (6) on a hub by welding. The rectifiers and hollow arm have first and second mating surfaces (11, 12) respectively to form a joint plane for welding. The casing comprises an inner shell and a coaxially cylindrical outer shell forming a stream of air to flow through a turbine engine. The welding is a friction welding for fixing first surfaces and second surfaces on the hub. The first surface is radially positioned inside the inner shell. The method for producing an intermediate casing of a turbine engine comprises fixing a rectifier and a hollow arm (6) on a hub by welding. The rectifiers and hollow arm have first and second mating surfaces (11, 12) respectively to form a joint plane for welding. The casing comprises an inner shell and a coaxially cylindrical outer shell forming a stream of air to flow through a turbine engine. The welding is a friction welding for fixing first surfaces and second surfaces on the hub. The first surface is radially positioned inside the inner shell. The friction is carried out by an oscillating movement oriented in a direction perpendicular to a direction of the rectifier or the arm. Independent claims are included for: (1) a rectifier or arm for producing an intermediate casing of a turbine engine; (2) a hub for producing an intermediate casing of a turbine engine; and (3) an intermediate casing.