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    Profile and sheet metal straightening

    Using the system of rollers, profile and sheet straighteners straighten the semi-finished products to the desired shape without changing their thickness. The semi-finished product is straightened permanently, so when it leaves the machine, its undesirable state and shape is not restored. The important technical parameters of the machines are: torque, bending force on each roller, hydraulic pump capacity and hydraulic system flowrate. The machines are powerful and can provide high-efficiency straightening in the production process.

    Profile and sheet metal straightening

    Using the system of rollers, profile and sheet straighteners straighten the semi-finished products to the desired shape without changing their thickness. The semi-finished product is straightened permanently, so when it leaves the machine, its undesirable state and shape is not restored. The important technical parameters of the machines are: torque, bending force on each roller, hydraulic pump capacity and hydraulic system flowrate. The machines are powerful and can provide high-efficiency straightening in the production process.

    Roundo PRH 260 - 1250

    The machine frame is robust. Dimensioned proportions ensure extreme stiffness and minimize frame deformations even at maximum load. The minimization of deformations in the machine frame is necessary to achieve equal and little tolerances in the straightening process, which eliminates the risk of metal fatigue of frame. Bearing frames are over-dimensioned, which minimizes the friction and the loss of torque in order to keep the long service life of the bearings and to avoid their expensive replacement. 

    The stable and high torque guarantees that the workpiece is straightened immediately in first operation. As the fluently adjustable high rotational speed of rolls shortens production times, it increases machine productivity.

    Parameters


    The machine capacity with the yield-strength material of 270 N/mm2

    1250 x 18 mm

    The machine capacity with the yield-strength material of 360 N/mm2

    1250 x 16 mm

    The machine capacity with the yield-strength material of 400 N/mm2

    1250 x 15 mm

    The machine capacity with the yield-strength material of 800 N/mm2

    1250 x 11 mm

    Min. semi-product diameter with the yield-strength material 270 N/mm2 

    5 mm

    The straightening roller diameter

    260 mm

    The incoming roller diameter

    180 mm

    Straightening speed

    0 - 6 m/min.

    Roller setting speed

    1 mm/sec.

    The straightening accuracy (it does not apply to the sheet metal ends

    ± 1,0 mm/m2

    Machine input

    15 kW

    The max. aperture between the upper and lower rollers

    60 mm

    The min. aperture between the upper and lower rollers

    - 25 mm

    The distance among lower straightening rollers

    350 mm

    Hydraulic pressure

    210 bar

    Machine weight

    18 000 kg

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    Koval Systems, a. s.

    KOVAL SYSTEMS, a. s.

    Krížna 950/10
    018 61,  Beluša
    Slovak republic

    IČO: 31602029
    DIČ: 2020441676
    IČ DPH: SK2020441676
    Business register: The District court in Trenčín, insert file No. 10531/R, section Sa

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