Product Profile of Hydro Pneumatic Deep Hole Drilling Head
PRESENTED BY SPM TOOLS HYDRO PNEUMATIC DEEP HOLE DRILLING HEAD, MODEL HPN 190/250 IS A DEVICE WHICH IS USED IN DRILLING A HOLE WHOSE DEPTH IS MORE THAN THE DRILL DIAMETER, RETRACTION OF THE DRILL TO CLEAR THE SWARF IS ONE OF THE EFFECTIVE WAYS. WOOD-PECKER CYCLE IS SPECIFICALLY USED FOR DEEP HOLE DRILLING. THE SPINDLE IS MOVED BACKWARD ANS FORWARD BY APPLYING AIR PRESSURE ALTERNATELY TO THE TWO SIDES OF A DOUBLE ACTING PISTON. DURATION OF PECKS IS CONTROLLED BY A TORQUE SENSOR, WHICH IS SOPHISTICATED DRILLING TECHNIQUE. IN CASE OF A HARD SPOT IN THE MATERIAL OR IF THE TORQUE EXCEEDS PRE DETERMINED SETTINGS, THE DRILL AUTOMATICALLY WITHDRAWS. THIS EVADES BREAKAGE OF EXPENSIVE DRILLS. SPECIFICATIONS: DRILL CAPACITY - 12.5 MM IN STEEL; MAX STROKE - 190/250 MM; FEED RATE - STEPLESSLY VARIABLE, 0-300 MM/MIN; RAPID TRAVERSE - 4 M/MM; DRIVE - 0.75 KW MOTOR; SPINDLE SPEEDS - MAX 4300 RPM, NIN 480 RPM; THRUST - 200 KG; AND AIR SUPPLY 0.15 CMM AT 5 KG/CM?.
