CNCXG series numerical control pipe through line cutting is a kind of equipment that can automatically calculate and cut the through line hole, through line end, elbow (shrimp joint) for various steel pipes and nonferrous metalpipes. This machine is used widely in the cutting of pipeline components in such in dustries as construction,Chemical, shipbuilding, machinery engineering, metallurgy, electricity etc.This kind of processing in the past mainly adopted such backward and complicated operation techniques as prototype making, lineation, manual proofing, manual cutting, manual polishing etc.It is very convenient for CNCXG numerical control pipe through line cutting machine to process this kind of  workpieces, without calculation, programming but inputting the pipe radius, thro-ugh angle etc for the pipe through system, then the machine can automatically cut the through line, through line hole and welding bevel of the pipe.