W12 Series Four Roller Rolling Machine  

W12CNC HYDRAULIC 4 ROLLS PLATE ROLLING MACHINE This machine is a hydraulic four -roller bending machine and used to do pre-bending the end of plate, rolling it into round, cone and other shapes. Main Part and Techniques No. Main Machine part Technical Requirement 1 Top Roller Device Material 42CrMo Techniques forging piece go through rough machining then quenching and tempering treatment at HB260~300 finish turning then medium frequency quenching of surface at  HRC48~52 2 Bottom Roller Device Material…