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/mm

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


Gallery

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