J&M TN630 MANUAL LATHES

Technical Description

The J&M TN630 Manual Lathe is a robust heavy-duty engine lathe designed for demanding turning applications. With a swing over bed of 24.8 inches (630 mm) and a swing over gap of 31.5 inches (800 mm), this lathe provides ample capacity for large workpieces. The swing over cross slide measures 14.2 inches (360 mm), allowing for efficient machining of oversized components. The spindle features a generous bore diameter of 4.1 inches (105 mm) and a taper of 1:20, compatible with a wide range of tooling and workholding accessories. The lathe offers 18 spindle speed steps, with a range of 14 to 750 rpm, ensuring optimal performance across various materials and cutting conditions. The cross feed range is 0.015–7.6 mm/rev (72 kinds), providing precise control for fine finishing and heavy-duty cutting. The machine is equipped with a 32x25 mm tool section, supporting standard tooling for versatile operations. The top slide travel is 200 mm, and the cross slide travel is 420 mm, enabling accurate positioning and adjustment. The tailstock quill travel is 250 mm with a diameter of 100 mm and a MT5 taper, ensuring secure workpiece support. The main motor delivers 11 kW, providing reliable power for continuous operation. The TN630 is built on a rigid bed with a width of 550 mm, ensuring stability and accuracy during heavy cutting. This lathe is ideal for workshops requiring high precision, durability, and flexibility in turning operations.