electro upsetting is a proceeding which allows the heating deformation of
the metals. It's normally heated and deformed, realizing a "sphere"
of material at forge temperature, an extremity of a metal bar, generally made
of steel shapes.
The piece is therefore printed under a press which confers him the wished
form. It's furthermore possible pressing again in the body of the bar rather
than to the extremity and also realize upsetting in contained die,
obtaining cylindrical forms destined to the mechanical manufacturing
without stamp estimate.
bar diameters go from millimetre points to 140 and more, with powers
which can reach the megawatt.