GRAY SERIES 300 VERTICAL BORING MILL

The GRAY SERIES 300 is a heavy-duty vertical boring mill designed for large capacity machining, featuring a substantial 192-inch table diameter and a maximum swing of 204 inches. This machine boasts a high table capacity of 175 tons, driven by a powerful 100 HP table motor. Operational control is managed by a Fanuc 15T CNC system. Key dimensional specifications include a maximum height under the cross rail of 120 inches (with a minimum of 24 inches), and a maximum height under the ram or tool block of 108 inches. The ram system provides a 96-inch stroke and 110 inches of horizontal travel. Table speeds range from 0.8 to 50 RPM, distributed across two speed ranges. The system offers precise feeding capabilities, ranging from 0.0005 to 2.0 inches per revolution (IPR).