MANUFACTURE OF METAL BELLOWS

摘要

PURPOSE:To eliminate the loss generation of a brazing filler metal and to facilitate its overlapping by performing a screen process printing of the paste like brazing filler metal consisting of a brazing filler metal powder and resin binder on the surface of the outer peripheral edge part and inner peripheral edge part of a mutually joining annular metal. CONSTITUTION:Step parts 5, 6 are respectively provided on a 1st annular metal 1 so as to locate at the inside of the same plane of are inner peripheral edge part 1a and outer peripheral edge part 1b and a wavy shaped projection 4 is formed so as to locate at one side of this plane. A 2nd annular metal 2 is formed flatly so that the inner peripheral edge part 2a and outer peripheral edge part 2b are located in the same plane 8 and the wavy projection 4 is formed so as to locate at one side of the plane 8. Each metal plate 1, 2 is taken as the stainless steel plate in about 0.1mm thickness. The paste like brazing filler metal consisting of a brazing filler metal powder and resin binder is printed by a screen method on the step part 5 surface of the inner peripheral edge part 1a of the metal plate 1 and the surface of the outer peripheral edge part 2c of the outer peripheral edge part 2b of the metal plate 2 and the part joining by overlapping each other is joined by its heating with pressure. A metal bellows is thus made easily.