MONARCH LATHES 522/78 MANUAL LATHE

Technical Description

The MONARCH LATHES 522/78 is a heavy-duty manual engine lathe designed for precision and versatility in machining large workpieces. It features a swing capacity of approximately 21.97 inches, allowing for machining operations on diameters up to that size, and a substantial center distance of 78.74 inches to accommodate long parts. The lathe has a spindle bore diameter of 4.11 inches, enabling the passage of sizable bar stock through the spindle for complex internal operations. Powered by a robust 20.0 HP motor, this lathe delivers consistent and powerful performance, suitable for demanding industrial machining tasks. It operates at a maximum spindle speed of 1,800 RPM, offering a balance of speed and torque for various materials and cutting conditions. The swing over the cross-slide measures 12.59 inches, providing flexibility for compound or taper turning operations. This Monarch lathe combines legacy engineering with substantial capacity, making it suitable for toolmaking, heavy precision turning, and large assembly work. Its design supports rigorous workloads with reliability while maintaining the fine control necessary for detailed machining tasks. The machine’s specifications place it among larger engine lathes, optimized for both size and power, suitable for machine shops requiring substantial versatility and heavy machining capability.