... is 80% than three roller plate rolling machine). 3.The Feature of Hydraulic Plate Rolling machine :- High precision pre ... plate.-Safe work, fixed two down roller, upper roller does horizontal and vertical movement, ... system:-It is controlled, in entry-level, by a user-friendly CNC, to ... roughcast — forging annealing-UT flaw — roughing (mechanical tests)-heat treatment (hardening and tempering) — UT ...