FIELD: mechanical engineering.
SUBSTANCE: invention relates to a device for assembly for welding and can be used in mechanical engineering, metallurgy, as well as in the manufacture of equipment for nuclear power plants and space technology. The device contains a complex profile shell (1) of a cylindrical shape with holes (2). A holder (3) is installed inside the shell. Through radial holes (8) are made in the protrusions of the holder (3) for the arrangement of axes (4, 5) in them. The holder (3) has paired uniaxial holes (9) for installing and then moving the wedges (6). The wedges (6) are in contact with the ends of the axes (4, 5). Stops (7) are fixed at the opposite ends of the axes (4, 5).
EFFECT: reduction of the number of defects in the welded joint and the level of internal residual stresses in the weld and residual deformation of the welded joint structure, as well as the expansion of the technological capabilities of the device.
4 cl, 3 dwg
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