SCM SANDYA 20 model 20 M3 135 used calibrating sander, year of manufacture 2003, serial number AE/024903, maximum workable width mm. 1350, feed speed 3.5-18 m/m with inverter, workable height 4-170 mm, vacuum table KW 7.5 Composition: 1st group: grooved steel calibrating roller D. 250 - 22 kW motor 2nd group: sanding roller d. 250, hardness 45 SH - 2-speed motor KW 9/11 rpm 1400/2800 3rd group: combined roller d. 170, hardness 30 SH + elastic pad sectioned with 46 sectors - 11 kW motor with inverter 4th group: scotch brite satinizing roller Table positioner with workpiece, belt development mm. 2620 x 1370 blowers II° and III° belt automatic centering belt Electronic intervention I° roller / II° roller / III° roller / pad