Abstract
Friction stir welding unit is described, designed for experimental works on the welding technology of large-sized items. Structural diagrams of the main units of the installation are presented. Technical characteristics of unit make it possible to obtain prototypes of weld made of aluminum AMg5 type alloy with thickness of up to 20 mm, with weld length of 2000 mm in the longitudinal direction and 1500 mm in the transverse direction. The maximum trans verse dimensions of the welded structures is 1500 Ѕ800 mm. The parameters of the welding process in real time are displayed on the control panel and recorded in the report: the values of the vertical force on the tool, the power consumed by the electric drive of the spindle and the horizontal force on the welding table in the direction of welding.
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