PREWO Drilling Machines

About This Product

COLUMN DRILLING MACHINE – MODEL 12-02 : PREWO COLUMN DRILLING MACHINES INCORPORATE SPECIAL FEATURES WHICH ARE ESSENTIAL FOR MEETING PRESENT DAY PRODUCTION DEMANDS. THESE MACHINES WITH THEIR MASSIVE AND RIGID CONSTRUCTION, EASE OF OPERATION AND CONTROL, FULFILL A DEFINITE NEED IN THE FIELD OF DRILLING.THEY HAVE PROVED THEMSELVES OVER A NUMBER OF YEARS IN THE INDIAN INDUSTRY. THEY ARE VERY FOR DRILLING WORK REQUIRING SPECIAL FINISH LARGE OUTPUT AND GOOD TOOL LIFE.

• Machine tested for accuracy as per Indian Standard IS:2367-1963
• Optional Feeds – Auto mechanical feed, Electro-Mechanical Clutch, Hydraulic Feed
• Special dual speed motor

Model 12-02 with Hydraulic Feed Unit – Feed control is with hydraulic feed unit with power pack, controls and fittings. The hydraulic feed rack is engaged with pinion and it is actuated by the cylinder rod. It transmits the motion to the pinion shaft and the quill will come down. Stroke control and rapid to feedrate switchover and return is by limit switches.

• Rapid feed upto a set depth (setting by limit switch) and rapid return to home position after finishing drilling. Hence, cycle time is minimised.
• Variable feed by regulation of control valve.
• Depth control can be achieved within ±0.15mm by means of mechanical stopper which will also take care of backlash.