J&M TN850 MANUAL LATHES

Technical Description

The J&M TN850 Manual Lathe is a robust and precision-engineered heavy-duty machine designed for demanding turning applications. With a swing over bed of 33.46 inches (850 mm) and a swing over cross slide of 21.06 inches (535 mm), this lathe provides ample capacity for handling large workpieces while maintaining high accuracy and stability. The spindle bore measures 4.13 inches (105 mm), allowing for the passage of long bar stock and facilitating versatile machining operations. The lathe features a hardened and precision-ground V-way bed, ensuring durability and smooth movement of the carriage and cross slide. It offers a wide range of spindle speeds from 14 to 750 rpm, enabling efficient cutting across various materials and diameters. The machine supports both metric and inch thread cutting, with a comprehensive selection of thread pitches to meet diverse threading requirements. The cross slide travel is 16.5 inches (420 mm), and the top slide travel is 9.45 inches (240 mm), providing flexibility for complex turning tasks. The tailstock quill has a travel of 8.07 inches (205 mm) and a diameter of 3.94 inches (100 mm), with an MT6 taper for secure tool holding. The main motor delivers 11 kW of power, ensuring reliable performance under heavy loads. Additional features include rapid feed capabilities, a wide range of longitudinal and cross feeds, and a coolant pump for extended tool life. The J&M TN850 Manual Lathe is ideal for industrial workshops requiring high-capacity, precision turning with consistent reliability.