Dc-410 42 mm cap. Double column allgeared autofeed radial drill machine specification of machine:capacity drilling in mild steel 42 ( 1 5/8)drilling in cast iron 50rough boring in mild steel 60tapping in mild steel 25drilling head spindle taper mt-4 / mt-5spindle travel 225spindle speed (rpm x steps) 12 steps60, 90, 115, 165, 200, 290, 340, 480, 575, 825, 1005, 1510diameter of ram (quill) 78no. Of spindle auto feed ranges (mm/rev) 6 steps0.1, 0.15, 0.20, 0.27, 0.33, 0.52working range max / min distance spindle nose to base 1225 /450vertical travel of arm 775max / min distance spindle center tocolumn1025 / 275horizontal travel of arm 750max drilling radius 1137machine measurement (l x b x h ) 1600 x 850 x 2270diameter of column 225work table 500 x 450 x 400coolant tank 770 x 430 x 14550 literspower drill head motor 2 hp(1.5 kw) 960/1440 rpmelevating motor 0.75 hp(0.56 kw) 960 rpm left hand operation with ergonomic world class design. independent locking of drill head with arm, arm with sleeve and sleeve with column for easy setting. use of high grade - fine grain materials and precision manufacturing guarantee long life of machine. easily accessible front panel arrangement of electrical and mechanical controls. Base:more wider base for working area. coolant tank of 50 liters. rigid box type construction. more wider base for better work piece grip. Lifting nut:4 " long lifting screw nut made up of brass. Column assembly:double column type structure with dia 225 mm and inside ribs for more rigidity and smooth movement. Arm:no. Description dc 410capacity drilling in mild steel 42 ( 1 5/8)drilling in cast iron 50rough boring in mild steel 60tapping in mild steel 25drilling head spindle taper mt-4 / mt-5spindle travel 225spindle speed (rpm x steps) 12 steps60, 90, 115, 165, 200, 290, 340, 480, 575, 825, 1005, 1510diameter of ram (quill) 78no. Of spindle auto feed ranges (mm/rev) 6 steps0.1, 0.15, 0.20, 0.27, 0.33, 0.52working range max / min distance spindle nose to base 1225 /450vertical travel of arm 775max / min distance spindle center tocolumn1025 / 275horizontal travel of arm 750max drilling radius 1137machine measurement (l x b x h ) 1600 x 850 x 2270diameter of column 225work table 500 x 450 x 400coolant tank 770 x 430 x 14550 literspower drill head motor 2 hp(1.5 kw) 960/1440 rpmelevating motor 0.75 hp(0.56 kw) 960 rpmarm and column rigidly built with reinforcement ribs to reduce distortion, to give high capacity and lastingaccuracy. Gearbox:completely oil bath gear box with 12 spindle speed steps with near geometric progression for the optimumuse of machine. Gears:all gears gearbox are made up of nicr steel with hardness of50-55 hrc with thickness of 15 mm. Shafts of gears:all shafts made of nicr alloy steel with hardness 55 hrc. all four splines and six splines of shafts are ground onspilne grinding machine. Spindle:spildle & spindle ram(quill) are made up of nicr steelwith final hardness of 55 hrcspindle is fitted with precision angular contact bearings not the taper roller bearings. bearing sizes are internal ground. pinion supported through bearings. Ram liner bush:head stock is provided with high grade cast iron liner bush like in automobile engines for easysliding movement of ram and very long life. Also it ensures interchangeability when replacing after wearout. Auto feed system:6 auto feed near geometric progression for all processes to be done like drilling, reaming, boring, etc. overload safety clutch system for tool protection and machine protection. spindle auto-stop with travel adjustment. Spring:heavy duty helical spring has replaced old conventional type coil spring. This ensures far more life thanconventional springs. limit safety devices are used to assure security while arm up-down, arm lock, spindle depth adjustment
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