HC-MB2500B-20 Edge Grinding Machine is the automatic Edge Grinding Machine of PLC control. The glass grinder has 10 grinding heads including 3 ones for straight line grinding, 4 ones for chamfering and 3 ones for straight line polishing. In order to meet the higher requirements of users on polishing quality and speed, the machine has greatly improved its structure by widely assimilating the advantages of overseas glass grinding machines. It features greatly strengthened rigidity, high-precision linear guide rail with Germany ball screws as well as servo motor for glass conveying. Therefore, it has advantages of precise grinding and stable operation. Adopting SIEMENS PLC programmable control and color touch screen control, the machine also has the outstanding characteristics of high precision, stable quality and simple operation.