This machine tool is a universal heavy duty lathe with three guide ways, which is suitable for turning outer circle, end face, grooving, cutting, boring, turning inner cone hole, turning thread and other processes of shaft parts, cylindrical and plate parts of different materials with high-speed steel and hard alloy steel tools. And can use the upper slide (through the change gears) to turn various threads with a length shorter than 600mm (full-length thread can be processed for special orders).