3D

NPA’s self-developed 3D digital tube bending machine directly forms straight tubes into U/S configurations or bends pre-welded & ground sections, eliminating unreachable weld roots that cause coking. Capable of S, U, S+S, S+U+S shapes with 100 % on-line inspection and 99 % acceptance rate.

Patent Introduction of NPA 3D Digital Bending Machine

The 3D Digital Bending Machine is equipped with a comprehensive production and quality control system for the pipe bending process, and obtained the national invention patent authorization in April 2020.