HAAS AUTOMATION, INC. ST-20SS HORIZONTAL MACHINING CENTER

Technical Description

The HAAS AUTOMATION, INC. ST-20SS Horizontal Machining Center is a high-performance CNC lathe designed for precision turning and milling operations. It features a main spindle with a maximum turning diameter of 10.000", a maximum turning length of 20.500", and a maximum swing of 31.750", accommodating workpieces up to 8.300" in chuck diameter and 2.000" in bar diameter. The machine is equipped with a single main spindle capable of 5,000 RPM and 30 HP, ensuring robust cutting power and speed. The hybrid turret supports up to 12 turning tools and 12 rotary tools, each with a maximum of 7.5 HP and 6,000 RPM, enabling versatile live tooling applications. The ST-20SS includes a Y-axis for off-center milling, drilling, and tapping, with ±51 mm travel from the centerline, and a C-axis for synchronized milling and turning. The machine operates on three axes: X-axis travel of 9.300" with a maximum feed rate and rapid traverse of 945 ipm, Y-axis with the same feed and traverse rates, and Z-axis travel of 21.000" with identical feed and traverse capabilities. The ST-20SS is equipped with a chip conveyor and offers standard secondary mill/drill functions both on-center and with the C-axis, making it suitable for complex, multi-operation machining tasks.