POLYCOM® high- pressure grinding roll. - thyssenkrupp Industrial .High throughput rates: a high-pressure grinding roll can replace several reduction crushers. This reduces the space requirement. ✓ Metallurgical advantages in the . 0,1. 1. 10. 100. The grinding elements of the high-pressure grinding roll are two counter-rotating rolls, between which the material is crushed. One.high pressure roll crushers cero verti,A Review of the Modeling of High Pressure Grinding Rolls - J-StageHPRM. Other designations were also used for the high pressure grinding technology with respect to a wide range of applications from coarse crushing to very fine grind- ing, such as 'high pressure roller crusher', HPRC. The ge- neric term that has been widely settled upon is HPGR, high pressure grinding rolls, and is used.