Bending Machine Special Execution Pipe Rolling Spiral single set or multiple. Pinch pre-bending technology. Roller motion on Linear guideway or Planetary swing arc cusomizable for the bending works. Lateral arms hydraulic operated in 3 directions to guide and control the spiral rolling pitch for cylindrical and conical spiraltube forming, Add-on tooling available for hollow tubes and tubulars rolling with mandrell system for the tube shape integrity all along the roll forming process.