EZHONG roll plate leveler machine has absorbed advanced foreign technology, especially the leveling machine technology of Germany and Japan. In 1994, roller levellers began to transplant the mature patent technology and control technology of our company's large-scale CNC bending machine to the roll plate leveler. , Developed a series of new products of roller levellers with independent intellectual property rights. The jaw-weight leveling machine adopts a combination of mechanical and hydraulic pressing device, so that the leveling equipment can be adjusted and pressed at any time. It can accurately control the reduction amount, and the reduction efficiency is high.
Adopting an integral closed frame and reasonably arranging ribs, the rigidity of the whole roller leveller is significantly increased, it is stable and smooth, the side rollers are convenient and fast, and the pressing number is intuitive, and the whole machine embodies the characteristics of high efficiency and low consumption.
The upper and lower rollers of the main drive system are fully driven, driven by two motors, can be braked in an emergency, have a soft start device, have a small impact on the power grid, have reliable performance, low noise, and compact structure.
The upper and lower supporting rollers are supported by multiple rows of diameters and are arranged in a chess pattern with the work roller. The bottom is equipped with an integral inclined iron adjustment mechanism. The shape of the upper and lower leveling rollers can be adjusted by manual fine-tuning to maintain the rigidity of the work roller and level the wave of the thin plate. When bending, convex, and concave buckling deformation, it is necessary to use the backing roll to change the convexity of the work roll, and manually adjust the opening amount and inclination angle of the upper leveling roll, which can easily adapt to the correction requirements of wave bending and scoop-shaped plates.
The work roll journals all adopt the self-aligning needle roller bearings dedicated to the rolling mill. Compared with the copper sleeve, the transmission efficiency is high, the service life is long, the friction resistance of the work roll is small, the non-slip condition is greatly improved, and the thinner steel plate can be straightened.
Using a closed frame, the corrective force is enclosed inside, the frame is simple in appearance, and the overall rigidity is good, and it can be leveled with a full load without dropping the foundation.
The depressing corner mechanism and the corner mechanism are combined together, using group technology, using two sets of the same power system, and using YEJ type motor drive, so that the movable beam can be accurately and automatically positioned and quickly swiveled.
Pre-stressed frame structure: The pre-stressed tie rods and the frame column are respectively deformed in tension and compression under the action of pre-tightening force. When the roller leveller is under the action of the corrective force, the force of the tie rod and the column is redistributed, the force of the tie rod increases, and the force of the column decreases, which gives full play to the performance of each component material.
Adopt the form of small roll distance and small roll diameter to improve the leveling quality. Due to the small diameter of the work rolls, the work rolls have small diameters and greater correction force, so the backup rolls are densely arranged in a chess-like distribution, which not only increases the horizontal rigidity of the work rolls but also has a better bending effect.
The position of the correction roller is individually adjustable: This structure can flexibly adjust the reduction according to the requirements of the correction process, so that the reduction of each correction roller is in the best state, and the plate can be corrected with less bending times.
Process control system: The computer model can set the roll gap according to the thickness, width, flatness and temperature of the corrected steel plate, automatically bite the plate and feed, and has the functions of overload protection and AGC bounce compensation.
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