This machine is used to sandblasting the surface of flat glass. There are 3  automatic sandblasting guns and one manual gun.The inverter control the motor of gun moving and glass transporting.it can be both operated by manual and by PLC(Programmable logic Controller) which can set the parameter in interface then start work automatically.The machine is equipped with dust-removing device, which can automatically collect dust that be produced in the process of sand blasting.Easy and quick operation.