GRINDING ROLLER COMPRISING INSERTS OF INCREASED MASSIVENESS

摘要

The present invention relates to a grinding roller for vertical axis crushers, produced by foundry casting, said roller comprising inserts with a massiveness modulus V/S comprised between 3 and 5 cm, preferably between 3.2 and 4.5 cm, said inserts being embedded in a metal matrix consisting of ductile iron or steel.