Radial run-out of welded pipe mould refers to the degree of wobble of welded pipe roller during axial operation. Under normal circumstances, the smaller the run-out, it shows that welded pipe roller work more fine, the stability of the movement is also smaller, otherwise the greater. In the process of welding pipe, the more stable the die is, the more advantageous it is to produce beautiful pipe.

Only the mold with small radial run-out has better stability, the mold in the production process of welded pipe, there will be no large amplitude run-out, but also conducive to the operation of welded pipe master. Only welded pipe mould with small radial run-out can effectively squeeze together, otherwise it is easy to appear gap or groove, which also brings a certain negative impact on the service life of the mold, because the degree of wear increased.

Welded pipe roller with small radial run-out can improve the accuracy, but also improve the master's operation speed, to a certain extent to improve the production efficiency. The stability of the radial run-out is a key technology, if done well, it can save a lot of work.