Milling machine tool and milling method for automobile steering knuckle

The invention discloses an automobile steering knuckle milling machine tool, which relates to the technical field of numerical control machining equipment, and comprises a machine tool base, and a clamp, a milling head, a cutter bar assembly, a milling cutter assembly and a moving mechanism which are arranged on the machine tool base, the clamp is used for fixing the automobile steering knuckle; the cutter bar assembly is mounted on the milling head, and the milling cutter assembly is mounted on the cutter bar assembly; wherein the milling cutter assembly comprises a first milling cutter and a second milling cutter which are arranged side by side in the length direction of the cutter bar assembly, and a distance adjusting device is arranged on the cutter bar assembly and used for adjusting the distance between the first milling cutter and the second milling cutter so as to adjust the milling size; the moving mechanism can drive the clamp and/or the milling head to move so that the milling cutter assembly can