4-roller plate bending machine / hydraulic / conical
RBM 20/04 NC Teach In Knuth Machine Tools



  • Number of rollers:


  • Operation:


  • Other characteristics:


  • Sheet thickness:

    Min.: 0 mm

    Max.: 6 mm


For 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 = 5 x Ø of the top roller (RBM 30/70)
• minimum bending diameter = 3 x Ø of the top roller (except RBM 30/70)