The cylinders are produced starting from high quality steel alloy plate.
The initial material is subject to chemical analyses and mechanical strength tests.
A circular shear transforms the square plate into a disc.
Each disc obtained in this way is controlled dimensionally and the cast identification code stamped onto it.
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A 1.500 ton hydraulic press transforms the discs into shells by means of succesion of cold-processing operations.
Every shell produced is controlled both dimensionally and for its surface finishing quality. After each drawing, the material is subjected to an intermediate annealing treatment in a controlled atmosphere furnace.
All loading and discharge operations are carried out automatically by electronally controlled handing mechanisms.