The RBB is the entry model into the world of bending of tubes and forms. Through the four-roll technology and SPS which is enabling the pre- or re-bending, sheet metal tubes can be produced which can be welded on longitudinal seam welding machine with a laser or WIG.
Infinitely variable feed motors provide the pre-bending and the bending angle. The plate thickness is adjusted by pneumatic cylinders. The lateral stop for pre-bending is free-standing. Control panel with PLC control and touch screen.
Bending rolls are are out of high strength material and can be hardened and ground on customers demand.
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Example sizes RBB 42-70
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Modell
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RBB 42
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RBB 52
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RBB 60
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RBB 70
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Effective length max [mm]
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530
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1030
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1030
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1030
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Sheet thickness* max [mm]
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1
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1,2
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1,5
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1,8
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Diameter upper roll [mm]
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42
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52
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60
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70
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Modell
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RBB 85
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RBB 100
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RBB 120
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Effective length max [mm]
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1030
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1530
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1030
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Sheet thickness* max [mm]
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2,5
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2,4
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4,5
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Diameter upper roll [mm]
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85
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100
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120
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* The sheet thickness refers to a material with a tensile strenght of 400 N/mm² and an elastic limit of 250 N/mm²!
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