Full-Auto Pipe Expander with drawing device and program interface concerned is used with extruding machine. It is also used solitarily. While expanding pipes, the machine adopts translation. The action is steady and correct. It does not damage pipe materi8als. The machine adopts double- infrared heating oven type. Each oven is equipped with heating core. The shaping method adopts expanding-end shaping. The size of pipe mouth is correct. On its panel, there is a transfer switch of expanding solvent type pipe socket ( Straight port )and expanding seal loop type pipe socket ( R port). The choice of expanding pipe types is very convenient. The technological adaptability is strong. Its main electric control elements are all exported.