Pipe Belling-machine Expander with drawing device and program interface concerned is used with extruding machine. It is also could separating operation. While expanding pipes, the machine adopts translation. The action is steady and correct. It does not damage pipe materials. 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 sovent, rubber-ring expansion and rubber-ring lip type sockets. The choice of expanding pipe types is very convenient. The technological adaptability is strong. Its main electric control elements are all exported. The system characteristics are steady and reliable.