Centrifugal composite cast iron roller is a kind of bimetallic solid roll which has good performance with hard surface and tough core.To obtain the high-performance roller

the controlling keys of the metal mold production process control

surface liquid metal control

interval time of surface liquid metal and inner liquid metal pouring control were described in details.The centrifugal composite cast iron roller with286mm × 508mm was produced successfully.Through calculating

selecting and measuring as well as recording the parameters from the controlling keys

the measured data from hardness of the barrel

roll diameter and work layer thickness confirms the effect of the trial roll quality control.