HZM series glass straight line edging machine is suitable for grinding flat edges of different size and thickness of flat glass with 45 degree arris. The rough grinding, fine grinding, polishing and arrising could be finished at one processing travel; it is adopted of stepless speed regulation, adjustable range, steady speed; adjustable feeding speed and feed in the grinding process; front rails can be adjusted to fit the thickness of the glass processing. Equipped with digital display meter, it can display the glass thickness with high accuracy, easy operation, high efficiency, and it is a necessary machine for glass processors.