Product Description Performance and Structural Features The swing angle of roller group can be automatically regulated according to the work piece diameter and size and manual calibration is not needed. The active roller stand adopts gear joggle transmission. Steel glue assembly roller, long ton adopts full steel rolling, which has big loading capacity and driven capacity. Imported frequency conversion speed regulator, which features in wide regulation width, big starting power and high adjustable precisionManual control box operation, which can be remote controlled and it is simple and reliable,