THIS BRIDGEPORT SERIES 1 VERTICAL MILL IS A 1.5 HP VARIABLE SPEED MILL DESIGNED FOR PRECISION METALWORKING. IT FEATURES A 1 1/2 HP AC POWER RATED SPINDLE (30 MIN. DUTY CYCLE) WITH AN R-8 TAPER. THE INFINITELY VARIABLE SPEED RANGE OPERATES FROM 500 TO 4200 RPM ON HIGH AND 60 TO 500 RPM ON LOW, BOTH AT 60 HZ. THE MACHINE IS BUILT WITH A 42 X 9 INCH WORKING SURFACE. TRAVEL SPECIFICATIONS INCLUDE 31 INCHES IN THE X-AXIS (30 INCHES WITH POWER FEED), 12 INCHES IN THE Y-AXIS (SADDLE TRAVEL), AND 16 INCHES IN THE Z-AXIS (KNEE TRAVEL), COMPLEMENTED BY 5 INCHES OF QUILL TRAVEL. THE MAXIMUM WORKPIECE CAPACITY IS 750 LBS. POWER QUILL FEED OFFERS THREE RATES (0.0015, 0.003, AND 0.006 IN./REV) AND PROVIDES A DRILLING CAPACITY OF 3/8 INCH AND A BORING RANGE IN MILD STEEL OF 6 INCHES DIAMETER. NOTED ACCESSORIES INCLUDE A NEWALL DRO, MAXI TORQUE-RITE POWER DRAW BAR, AND POWER QUILL FEED. THE MACHINE'S NET WEIGHT IS 1930 LB., AND POWER INPUT IS RATED FOR 208/230/460 VOLTS, 3 PHASE, 50/60 CYCLE, WITH A 4KVA CAPACITY.