Using top and bottom double-sided automatic drilling, pneumatic and buffer feed, self- reclaiming,fast drilling speed, good hole quality and simple operation. The active motor adopts an adjustable speed motor, and the three-stage pulley is adjusted to deal withdifferent drilling holes. �·Laser positioning and movable backer positioning devices can be used, each of which can be applied to the size of specific production. �·Equipped with pneumatic opening and lowering table for mass production of large plates of glass