SAN SHING SF-28290 MANUAL LATHES

Technical Description

The SAN SHING SF-28290 Manual Lathe is a heavy-duty precision machine designed for demanding turning operations. It features a robust cast iron bed for high rigidity and vibration resistance, ensuring stable performance during heavy cutting tasks. The lathe offers a swing of 28.0 inches (711 mm) over the bed and 19.5 inches (495 mm) over the cross slide, accommodating large workpieces. The distance between centers is 289.0 inches (7,340 mm), allowing for extended workpiece lengths. The spindle bore measures 4.0 inches (102 mm), supporting the passage of long bars or shafts. Powered by a 15.0 HP main motor, the machine delivers strong torque for efficient material removal. The spindle speed ranges up to 1,000 RPM, providing flexibility for various machining requirements. The SF-28290 is equipped with a 12-step spindle speed gearbox, enabling precise speed selection. Longitudinal and cross feeds are adjustable, with typical ranges of 0.05–0.7 mm/rev and 0.025–0.35 mm/rev, respectively. The machine supports both metric and inch thread cutting, with a wide range of thread pitches available. The bed width is 18.1 inches (460 mm), and the quill diameter is 3.74 inches (95 mm), with a travel of 10 inches (260 mm). The spindle nose conforms to A2-8 or A2-11 standards, and the tailstock center is M.T. No. 5. The SF-28290 is suitable for industrial applications requiring high accuracy and durability in turning large and heavy components.