Bernardo general catalog metal Page 103
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The GB 28 S is a powerful gearhead-column drilling machine which excells in robust and vibration-free construction. This model is predominantely used in repair shops, mechanical workshops and for training purposes. GB 28 S • Powerful 2-step drive motor allows for 12 different speed setting • Rotation switch for right and left turning for thread cutting • Solid work table (360° turnable), tiltable from -45° to +45° • Treated machine base for clamping of extraordinary oversize workpieces • High-quality ball bearings allow for high concentricity • Automatic tool release device allows easy tool change • Adjustable drill depth stop, drill depth can be read on scale • Solid, polished steel column suitable for heavy workload • Polished gear wheels ensure smooth run • Height adjustable protective cover with micro switch for increased safety Control elements are clearly arranged, serially with thread cutting device. Right-left turning Clearly arranged, accessible control elements allow easy speed change. SEMIPROFESSIONAL Standard accessories: • Drill chuck 1 - 13 mm / B 16 • Drill chuck arbor MT 3 / B 16 • Morse taper drill sleeve MT 3 / 2 • Automatic tool release device • Thread cutting device • Left and right turning • Height adjustable protective cover • LED machine light Optional accessories: Keyless drill chuck 1 - 16 mm / B 16 Deluxe clamping kit set 58-pcs., 14 mm, M 12 Drilling machine vice BMS 140 Drilling machine vice BMI 150 170 pcs. set TiN-coated HSS drills Metric size taper shank drills MT 2/3, 9 pcs. - 14,5-30 mm, set B Coolant pump 10 l (for self installment) 1 Universal coolant fluid MN 1103, 5 l canister 1 Art. no. excl. VAT 24-1082 28-1001 28-2019 28-2017 41-1025 41-1051 54-1206 Alternatively in 230 V (Art. no. 51-1003) or 400 V (Art. no. 51-1004) Technical data GB 28 S Drilling capacity max. Thread cutting max. Drill chuck Morse taper Spindle speeds Distance spindle to column Distance spindle to table max. Distance spindle to base Spindle stroke Column diameter Working surface of base Table size / T-slot size Motor power putput S1 100% Motor power input S6 40% Machine dimension (W x D x H) Weight approx. Art. no. 28 mm M12 1 - 13 mm / B 16 MT 3 (12) 75 - 3200 rpm 250 mm 810 mm 1210 mm 130 mm 100 mm 325 x 330 mm 375 x 375 mm / 14 mm 0,85 / 1,1 kW (400 V) 1,1 / 1,5 KW (400 V) 450 x 600 x 2020 mm 215 kg 01-1245 Work table swivel 360° which is ideal for coordinate drilling. 101 Drilling machines Gearhead drilling machine
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