الوصف

1. Originated from Germany. Sweden Technology 2. Upper-roll fixed, the two rollers under a fixed turn around the center arc movement take-off and landing, under two separate movements can roll up or down with. 3. On a plate material does not need to complete U-turn and pre-bending roll-round school, and other processes. 4. Rollers are mainly the work of the three-driven roller to ensure that any thickness of the material sent to a good rolling function. 5. Due to the location of the three roller can rely on the close, to achieve a small diameter tube and rolling round the school.