HAAS AUTOMATION, INC. ST-40 HORIZONTAL MACHINING CENTER

The HAAS Automation ST-40 is a high-performance horizontal machining center designed for large-part turning applications, offering a maximum turning diameter of 25.5 inches and a maximum turning length of 44 inches. It features a 15-inch main spindle chuck diameter with a maximum swing of 34.5 inches and supports bar diameters up to 4 inches. Powered by a 40 HP main spindle motor capable of 2,400 RPM, with an optional upgrade to 55 HP, the ST-40 maximizes cutting efficiency and power. The machine is equipped with a 12-station bolt-on turret (BOT) supporting up to 12 cutting tools, including rotary tools with speeds up to 6,000 RPM, and simultaneous cutting with one tool. Its axis travels include 17 inches on the X-axis, 44 inches on the Z-axis, and a rapid traverse rate of 710 inches per minute on X, Y, and Z axes, with options to include a third axis for enhanced versatility. The ST-40 integrates a rigid, thermally stable construction with Haas CNC control, making it suitable for complex machining tasks including tapered threading and heavy alloy cutting. Additional features often include a programmable servo tailstock, chip conveyor, coolant system, and rigid tapping capabilities, enhancing automation and process efficiency. This model is recognized as a cost-effective solution for demanding industrial applications in aerospace, automotive, and heavy machinery manufacturing sectors.