The straight side can be groud to be flat and vertical to the surface of the glass. And it can bevel the arris of the straight edge to angle of 45 degree. The rough grinding, fine grinding, polishing for flat edge and arris bevelling can be finished at one travelling. Continuous processing can be taken for glass of the same thickness. The shineness of the glass edge surface after being processed will be almost the same as the glass flat surface.
