The project of a series of boring machines for pipes of various diameters processing has been successfully complete. At present, the SMS0129F3machine put into operation at Trubodetal JSC. This is the third machine in a series of bend boring machines. The SMS0129F3was designed for machining the ends of steeply curved bends and coils with a diameter of 377-630 mm with the formation of a chamfer for welding at the ends of the parts. Equipment acceptance tests have been successfully completed. Technical specialists were trained.