Hydraulic 4-Roller Roll Bending Machine

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Knuth Hydraulic 4-Roller Roll Bending Machine RBM 40/13 CNC

similar fig.

CNC-controlled roll-bending of elliptical and conical forms, prebending and bending in one operating step

massive machine frame, based on an advanced design and many years of experience
hydraulic safety chuck for easy removal of the part
roller adjustments (feed and adjustment of parallelism and taper) at the control panel
all rollers are hardened and equipped with precision bearings
hydraulically driven top and bottom rollers
hydraulic components from Parker / Bosch
electric components from Siemens / Telemanique
minimum bending diameter = 3 x Ø of the top roller

Specifications - RBM 40/13 CNC - Hydraulic 4-Roller Roll Bending Machine

working area
working length	4100 mm
plate thickness (max.)	16 mm
max. plate thickness for bending	13 mm
upper roll diameter	390 mm
under roll diameter	360 mm
side roll diameter	300 mm
drive capacity
motor rating hydraulic pump	15 kW
measures and weights
overall dimensions	7241x2100x1983 mm
weight	20800 kg
For cone bending, all bending values must be reduced 50 %. Hardened rollers are advisable.
For conical bending, reduce all bend values by 50 %

Control - RBM 40/13 CNC - Hydraulic 4-Roller Roll Bending Machine

CNC Steuerung für Ring-u. Profilbiegemaschinen/Rundbiegemaschinen

User-oriented software allows the creation of programs for cylindrical, conical, elliptic, oval, triangular, square, and many other shapes. After the easy input of workpiece parameters, the program is created with graphical support. Bending data are calculated automatically based on the entered parameters.
positioning accuracy ± 0.1 mm

Standard equipment - RBM 40/13 CNC - Hydraulic 4-Roller Roll Bending Machine

hardened rollers, conical bending feature, digital display, control panel, operator manual

Accessories / Tools - RBM 40/13 CNC - Hydraulic 4-Roller Roll Bending Machine

Material Feed Table

Side Support

Infinitely Variable Rotation Speed

Center Support