GIDDINGS & LEWIS PC-50 HORIZONTAL BORING MILL

Technical Description

The Giddings & Lewis PC-50 is a 6-Axis table type horizontal boring mill designed for heavy-duty machining. Key specifications from the official listing and verified data include an X-axis travel of 98.4 inches and a Y-axis travel of 82.7 inches. The machine is equipped with a 5.12-inch spindle utilizing a #50 ANSI B5.50 taper and capable of 4,000 RPM, powered by a 50 HP (37.3 kW) motor. It features a substantial table, with verified dimensions of 49.25 inches wide by 63 inches long, and a robust weight capacity of 25,000 lbs. Axis travels include a Z-axis of 62 inches and a W-axis (spindle travel) of 31.5 inches. The machine has a rapid traverse speed of 590 IPM and dimensions of 240" x 300" x 197" H, with a total weight of 70,000 lbs. Control is handled by a CNC system, specifically the Siemens Sinumerik 840D in the verified data, though the original technical specifications list Fanuc 15M and Fanuc 31i-A5 for equipped rebuilds. Additional features include a 60-station Automatic Tool Changer, Renishaw OMP 60 Probe, built-in rotary table, coolant through spindle, Heidenhain Linear Scales, and a chip conveyor, making it a highly capable machine tool.