Heavy duty model with variable speed vertical milling head, 54 ʺ × 12 ʺ worktable, 5HP spindle motor lifting seat automatic lifting motor device and safety switch device (with electrical control box, quartz worktable, manual oil injector). Meehanite advanced components, front and rear slides and high-frequency hardening treatment, precision grinding; The surface of the spindle tube is subjected to high-frequency hardening treatment, plated with hard chromium, and precision ground. High precision 7210CP4 spindle bearings, with wear-resistant plates (Turcite-B) attached to the front, rear, and left/right (X, Y, and Y axes) slides. The X axis is a dovetail groove slide, and the Y, Z axis is a square slide. The lifting seat slide is hardened and precision ground.