ATRUMP LD 1640 MANUAL LATHES

Technical Description

The ATRUMP LD 1640 manual lathe features a robust 16-inch swing over the bed and a 40-inch distance between centers, suitable for machining long workpieces. It is equipped with a 5-horsepower spindle motor delivering speeds from 50 to 2,000 RPM through 12 variable gear speeds, enabling precise control for a variety of turning operations. The spindle bore measures 2.1875 inches (2-3/16 inches), allowing the passage of larger stock. The machine provides a 9.5-inch swing over the cross slide, enhancing versatility in working on smaller diameter components. Its construction consists of a high tensile cast iron FC25 bed with hardened and ground bedways and gears in the headstock, ensuring durability and precision. The lathe includes precision taper roller bearings and safety features such as an overload clutch on the feed rod and an interlocking apron to prevent feeding during incorrect operations. It supports both inch and metric threading and has finely adjustable longitudinal and cross feeds, ranging from approximately 0.0013" to 0.039" per revolution. The lathe’s footprint is 82 inches long by 34 inches wide and 60 inches tall, with a machine weight of 1,896 pounds, emphasizing its stable and rigid design for industrial precision turning tasks.