Technical Description
The PROKING PH-70 Manual Lathe is a heavy-duty machine designed for demanding oil country and large shaft turning applications. Featuring a robust 3 shear bed way and 4 way guide construction, it ensures maximum stability, rigidity, and precision during heavy cutting operations. The lathe offers a swing over bed of 70.87 inches (1,800 mm), accommodating large workpieces with ease, and a distance between centers ranging from 3,000 mm to 12,000 mm, allowing for versatile component lengths. The spindle bore is available from 7" to 30", supporting a wide range of bar stock diameters. Powered by a dual voltage spindle motor with a standard output of 40 HP and options up to 100 HP, the PH-70 delivers high torque at low speeds, ideal for tough machining tasks. The machine is equipped with a pressurized one-shot lubrication system for the cross slide and carriage, ensuring consistent performance and extended component life. The PH-70 features a one-piece bed, hardened and ground bed ways, and a 6-way rapid traverse with power feed to the top slide, enhancing both efficiency and accuracy. The geared headstock provides 18 speed steps, enabling optimal cutting conditions for various materials. Additional features include a carriage position device, dual voltage motor, and a spindle nose compatible with A2-15 to A2-40 standards. Designed for reliability and durability, the PH-70 is suitable for heavy-duty turning in oil, gas, and subsea industries, offering a stable, well-structured platform for precision machining.