J&M TN330BV MANUAL LATHE

Technical Description

The J&M TN330BV manual lathe is a robust benchtop engine lathe designed for precision turning and general workshop applications. It features a swing over bed of 12.99 inches (330 mm), allowing for the machining of medium-sized workpieces with ease. The lathe is equipped with a large spindle bore of 2.05 inches (52 mm), compatible with a D1-5 spindle nose, enabling the passage of long bar stock and supporting a wide range of chucking options. The induction hardened, precision ground V-way bed ensures long-term accuracy and durability, while hardened and ground gears in the headstock contribute to smooth operation and extended service life. The machine offers a distance between centers of 750 mm or 1000 mm, providing flexibility for various workpiece lengths. The TN330BV delivers a spindle speed range of 70–2000 rpm across 8 steps, suitable for a variety of materials and cutting conditions. Feed rates are adjustable, with cross feeds from 0.018–0.238 mm/rev and longitudinal feeds from 0.078–1.044 mm/rev, supporting both metric and imperial threading options. The carriage-mounted spindle control lever, adjustable gibs for slideways, and fully interlocked automatic feed and threading functions enhance operator convenience and safety. The tailstock quill, with a travel of 92 mm and a taper of MT3, can be offset for taper turning. Standard accessories include a 3-jaw chuck (160 mm), 4-jaw chuck (200 mm), face plate (250 mm), quick change tool post, steady rest, and halogen work lamp. The lathe is powered by a 1.5 kW motor and weighs approximately 540–560 kg, making it suitable for industrial and educational environments.