FIELD: processing of metals by pressure.
SUBSTANCE: invention can be used in mechanical engineering, aircraft building, shipbuilding and other industries. The device contains a base, loading and supporting grips, supporting sectors, a holder. The device additionally contains a cover, which is installed on the base, to form a non-self-braking screw gear with a loading grip. On the working ends of the loading and supporting grips in the radial directions, notches with sharp edges are made.
EFFECT: ability to effectively develop the design of technological equipment for the implementation of innovative technologies for improving the performance properties of cylindrical structural elements.
1 cl, 1 dwg
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