swaging machine pipe bender exhaust pipe bender SWAGING MACHINE The I/O 2000 tube expander is available with an N/C Control for reduced set-up time, quick tool adjustment and additional sequence flexibility. Its commercially available programmable logic control provides menu-driven programs with keypad operator interface, and prompts the operator through the easy set-up process. The control stores part shape data for 50 parts, so subsequent set-ups and adjustments are quickly performed by entering the part reference number. Sequence variations to determine the advance return of the fingers and jaws are entered at the control and stored for future setup.