GBM jẹ iru irẹrun iru ẹrọ beveling irin nipa lilo ojuomi abẹfẹlẹ eyiti o jẹ lilo pupọ fun ile-iṣẹ eto irin.
O jẹ iru nrin pẹlu eti awo pẹlu iyara giga isunmọ awọn mita 1.5-2.8 fun iṣẹju kan.Pẹlu awọn awoṣe GBM-6D, GBM-6D-T, GBM-12D, GBM-12D-R, GBM-16D ati GBM-16D-R fun aṣayan pẹlu orisirisi ibiti o ṣiṣẹ fun ọpọlọpọ awọn oriṣi ti dì irin.
