portable cnc flame/plasma cutting machine can be programmed to cut any plane shape parts composed of beeline and arc ,which are same as large gantry cutting machines . It is equipped with a 5.7 inch LED with dynamic and static graphical display .It is directly perceived and very easy to learn .It can be programmed to cutting parts directly , and also can be operated in computer translating instructions into a program file by CAD program , and then deducing it via U hardware .