The machine is a kind of infinitely veriable speed lathe. It can fulfill the reparation of the brake drum disc and shoe of auto-mobiles from mini-car to medium heavy trucks. The unusual feature of this equipment is its twin-spindle each other perpendicular structure. The brake drum/shoe can be cut on the first spindle and the brake disc can be cut on the second spindle. This equipment has higher rigidity, accurate workpiece positioning and is easy to operate.