CLAUSING B70 UPRIGHT DRILL PRESSES

Technical Description

The Clausing B70 Upright Drill Press features a robust 7.5 HP main motor with a 5MT spindle taper, delivering powerful performance for heavy-duty drilling tasks. It offers a large 25.9-inch swing and a generous spindle travel (drilling depth) of 10.24 inches, enabling drilling of deep and large-diameter holes. The machine supports 12 speeds and 6 automatic feeds ranging from 0.0039 to 0.0236 inches per revolution, adjusted via front-mounted speed plates and levers. It has hardened and ground steel gears lubricated by an automatic pump, ensuring durability and smooth operation. The B70's maximum drilling capacities are 2.75 inches in steel and 3.15 inches in cast iron, with tapping capacities of 2 inches and 2.36 inches, respectively. It features an automatic feed reversing system for tapping operations, electromagnetic clutch for feed and cut-off control, plus an automatic tool ejector for efficient tool changes. The machine base includes two T-slots, a coolant tank, and a pump powered by a 0.12 HP motor. A large worktable with three T-slots and an adjustable depth stop with scale support versatile workholding and precision drilling. Manual feeding is facilitated by a feed crank wheel and a front hand wheel for fine feed. Safety and convenience features include an emergency STOP, drill guard with microswitch, built-in low voltage electrical equipment inside the head, and a work light. Overall dimensions are 103.9 inches tall with a 35.8 by 23.2-inch base footprint, making it a substantial industrial-grade press suitable for precision and production drilling applications.