SHIBAURA BT-8DR HORIZONTAL BORING MILL

The SHIBAURA BT-8DR Horizontal Boring Mill is a robust machine, likely manufactured around 1975, featuring a substantial 3-inch (or 3.35-inch) spindle diameter with a 50 Taper and power drawbar. Its working area is defined by a table size of approximately 35.5 inches by 41.3 inches, which includes a built-in power rotary function and a substantial weight capacity of 5,500 pounds. Travel specifications are competitive, offering approximately 39.5 inches of vertical travel (Y-axis), 39.5 inches to 42 inches of cross travel (X-axis), and 24 inches of spindle travel (Z/W-axis). The machine is powered by a main motor generating 9 kW (12 HP), supporting a wide range of spindle speeds from 20 to 1,000 RPM. This unit also provides variable feeds ranging from 0.0009 inches to 0.67 inches. The overall machine weight is considerable at 12,000 pounds, indicating a heavy-duty construction designed for precision boring and milling operations.