double column special grinding machines sgd / sgu double column slide ways grinding machines with fix or mobile cross rail and tangential and/or universal wheel heads. machine tool beds. very high precision heavy componen......double column special grinding machines sgd / sgu double column slide ways grinding machines with fix or mobile cross rail and tangential and/or universal wheel heads. machine tool beds. very high precision heavy components sgd / sgu table length (mm) 3000 - 12000 distance between columns (mm) 1200 - 2500 wheel size (mm) 750 x 200 grinding height (mm) 2000