SZ-SD22 Series  Glass straight-line double edging machine is suitable for grinding two parallel straight-line edge of flat glass, rough, fine and polishing at one time, its feature of high precision, efficiency and secure .the lathe bed use the double straight-line guide rail and ball-bearings, the drive is smooth and reliable. The product adopts the PLC control, speed control by transducer. Set parameter via the intelligent interface. Finish to work at one time, the operation is easy and convenient. SZ-SD2215/ 25/ 30/ 40 available in different models ( from1500mm to 4000mm width) , each of which is equipped with 22 spindles ( 11spindles per side with safety corner cutting) .