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About MachinesAbout Pipe Bending

BENDING FAULT SOLUTION

Marking on tube centreline
Hump at the end of a bend
Deep scratches in bend/Wiper Die Area
Tool marks on tube in clamp area
Wrinkling in bend area
Tube breakage in bending
Tube collapses either with or  without wrinkling through full bend
Wrinkles on bend with all tools  in correct position
Excessive springback
    Excessive springback
  • a) Check that Pressure Die is not holding the tube back during bending
  • b) Check ductile strength of tube and programme overbend to compensate

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