This machine is used to grinding the peripheral edge( FA ,OG,round,bevel)of round & oval flat glass and square glass with round angle. There are 4 motors(4 arms) for  rough feed,find feed and polishing.Speed is quick than single-arm machine and not need change the wheel one by one

Five-star suction tray adopts vacuum clamping. Stepless motor adjust the rotating speed of suction tray.There is a cylinder connecting the big and small arm, It can process the round & oval glass by semi-automatic.Producing speed is quick.