Technical Description
The ACRA 2290 ACH Manual Lathe is a heavy-duty precision gap bed engine lathe designed for demanding turning applications. With a swing of 21.97 inches over the bed and 13.39 inches over the cross slide, it offers robust capacity for large workpieces, while the 90-inch distance between centers ensures extended turning capability. The lathe features a 4.06-inch spindle bore and a D1-11 spindle nose, supporting a wide range of chucking and workholding options. Its headstock delivers 12 speed settings, ranging from 13 to 1,200 RPM, powered by a 15 HP motor for consistent performance across various materials and operations. The machine is built on a Meehanite cast iron bed, induction hardened and precision ground for superior rigidity, vibration resistance, and long-term accuracy. The gap bed design allows for increased swing up to 31 inches when needed. The carriage provides 15.75 inches of cross slide travel and 9.5 inches of compound slide travel, enabling precise tool positioning. The lathe supports both inch and metric threading, with ranges from 2 to 72 TPI and 0.2 to 14 mm, respectively. Standard equipment includes a 15-inch 3-jaw chuck, steady rest, coolant system, full-length splash guard, halogen light, and a 4-way tool holder. The universal gearbox features oil bath lubrication, heat-treated gears, and safety pin output shaft. Additional features include a foot brake, multi-position length stop, and manual and automatic lubrication systems for the bedways and cross slide. Weighing 7,000 lbs, the ACRA 2290 ACH is engineered for stability, durability, and precision in industrial environments.
