PRESSURE ROLLER FOR PELLET MACHINE AND PELLET MACHINE EQUIPPED WITH SUCH ROLLERS

摘要

The invention concerns a roller for pressing a material through a pellet machine die, comprising a shell (13) with an outer rotating surface adapted for pressing the material through a ring-shaped die provided with extruding orifices, and members supporting the shell (13) comprising ball bearing parts (9, 10) adapted so that said shell can rotate freely. The invention is characterised in that said roller shell (13) has an inner rotating surface forming the outer bearing race for the ball bearing parts (9, 10).