1. ZM4 4spindles glass edging machine is suitable for processing straight-line edge & 45°arrise on glass sheet of different sizes and thicknesses. 2. Rough grinding, fine grinding of glass flat edge and rough grinding of arris can be finished at one time. 3. It is suitable for glass rough processing before glass tempering and the other further processing. 4. Flat glass with same thickness can be continuously processed. 5. This glass machine is easy to operate and has good performance.