Technical Description
The Summit 28-4x120 Manual Lathe is a heavy-duty precision engine lathe engineered for demanding industrial applications. Featuring a robust cast iron construction, it delivers exceptional rigidity, vibration dampening, and long-term durability. The lathe offers a 28.5-inch swing over the bed and a 19.6-inch swing over the cross slide, accommodating large workpieces with ease. With a distance between centers of 120 inches and a generous 4.13-inch spindle bore, it supports extended and oversized workpieces. The main drive motor delivers 15 horsepower, providing ample power for heavy cutting operations, while the spindle speed ranges up to 1,250 RPM for versatile machining capabilities. The lathe is equipped with a D1-8 spindle nose and a quick-change gearbox, enabling efficient switching between American (inch), metric, module, and diametral pitch threads. Additional standard features include a clutched headstock, hardened and ground bedways, anti-friction mounted shafts, dynamically balanced components, and a precision chrome alloy spindle. The machine measures 194 inches in length, 48 inches in width, and 67 inches in height, with an approximate shipping weight of 9,200 lbs. It comes with a comprehensive set of accessories, including a thread dial, steady rests, follow rest, coolant system, carriage stop, taper attachment, work light, and full-length splash guard. Designed for reliability and performance, the Summit 28-4x120 Manual Lathe is ideal for precision turning in toolrooms and production environments.