J&M TN330A MANUAL LATHES

Technical Description

The J&M TN330A Manual Lathe features a robust design with a swing capacity of 13.0 inches (330 mm) and a spindle bore diameter of 1.5 inches (38 mm), making it suitable for a wide range of turning operations. It offers a swing over cross slide of 7.8 inches (198 mm), facilitating machining of larger diameter workpieces with precision. The lathe is built on an induction hardened, precision-ground V-way bed, ensuring stability and accuracy during operation. Its D1-4 spindle, supported by high-quality tapered roller bearings, enables smooth and reliable rotation at spindle speeds ranging from 70 to 2000 rpm across eight steps. The headstock contains hardened, precision-ground gears to ensure durable and consistent power transmission. Automatic feed and threading functions are fully interlocked, offering enhanced operational safety and ease of use. The carriage-mounted spindle control lever, adjustable gibs on slideways, and tailstock offset capability allow for precise taper turning and fine control of feeds. The lathe includes a range of precision travel capabilities: 76 mm for the top slide, 175 mm for the cross slide, and 92 mm for the tailstock quill. Supplied accessories typically include chucks (3-jaw and 4-jaw), a faceplate, steady rest, quick change tool post, and turning tools, supporting versatile machining tasks. With a distance between centers of 750 or 1000 mm and a net weight around 540-560 kg, the TN330A is a sturdy, reliable manual lathe well suited for general-purpose engineering and workshop applications.