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EZHONG jaw weight CNC leveler adopts the patented sub-roller drive technology (Patent No.: 99 2 37340.9), where each main drive roll is powered by an independent motor reducer. This solves mechanical interference and negative torque issues between plates and drive rolls, extending work roll lifespan and protecting their surface integrity. The sub-roller drive enables medium and heavy plates to use linear decompression correction, boosting mechanical efficiency and one-pass correction accuracy in line with steel plate straightening principles. By gradually reducing bending compared to parallel large-bend methods, it lowers total material deformation, reducing corrective force, power consumption, and energy usage. Through adjustable work roll quantity (Patent No.: 03 1 01384.8), the number of rolls in leveling can switch between n+2 and n, accommodating non-parallel leveling needs from thin to thick plates and expanding the machine’s correction range. Equipped with a mechanical-hydraulic combined pressing device, the equipment offers correction-pressing advantages, real-time pressure adjustment, precise control, and high efficiency. Its integral closed frame with rational rib arrangement significantly enhances overall rigidity.
Model | Useful Width | Yield Limit | Max. Thickness | Leveling Accuracy | Speed |
EZW43B-8X1500 | 1500mm | 1600Mpa | 17mm | 1.0mm/m² | 6m/min |
- Advanced CNC control system, we own the software copyright of the system. The system automatically calculates the amount of pressing based on the thickness.
- Adopt drive patent. The sheet leveler divides the work rolls into two groups. Each group of work rolls is driven by a motor and a reducer, with high efficiency, simple operation, and a single person can work independently.
- The overall structure is segmented and modular. Wearable parts such as bearings, seal rings, support rollers, and work rollers are easy to replace.
- Due to the use of grouped drive patents and self-aligning bearings, the power of the main motor is small and energy can be saved. Save man-hours and minimize the scrap rate and rework rate, eliminating the need for time-consuming and laborious rework.
- 10-inch high-precision touch screen display, PLC control, visual input, editing, modification, and storage of process parameters; adjust the descending point up and down.
- Manufactured in accordance with EC safety standards and has CE certification.
1. There are always n-2 deformations when the plate is leveled. When the second roller is deformed for the first time, it should be ensured that 60% of the plate thickness is in a plastic deformation state, and the deformation of the subsequent rollers decreases successively until the elastic deformation (the deformation is zero).
2. According to the characteristics of the maximum load, the selected work roll has a large roll distance and roll diameter, and the rigidity of the straighten machine is good and the sheet leveling accuracy is guaranteed. Take into account the maximum and minimum plate thickness leveling. The work roll journals of this machine all adopt precise rolling mill special bearings, the friction resistance of the work roll is small, the non-slip condition is greatly improved, and the thinner steel plate can be straightened. The roller-making device adopts the technology of the German SMS company, with a large roll diameter to roll pitch ratio, which improves the strength of the work roll, reduces the blind correction zone, and improves the leveling accuracy of the workpiece. Roller journals all adopt special rolling bearings for new rolling mills, with a service life of 5 to 10 years. The selection, structural design, and manufacturing of the work roll bearing coupling parts should ensure reliability and durability, and fully consider the axial and radial load and deformation of the work roll.
3. Compared with the sliding bearing, the transmission efficiency is high, and the motor power can be doubled. Energy-saving; long service life, a small overturning moment of the frame, low friction resistance, with the sub-roller drive, can effectively improve the slip of the workpiece, bend thinner steel plates, and improve the sheet leveling accuracy. The adjustment and positioning of the gap and angle of the upper and lower work rolls are accurate and efficient, and the guiding mechanism has good precision and high stability.
4. The work roll material is 60CrMoV, according to the standard requirements of "JB/T3164-2007 Roller Plate Leveling Machine Technical Conditions", quenched and tempered HBW286～321, surface hardening hardness HS85-95 (HRC56-63), hardened layer depth, work roll diameter D≤200mm is 3～5mm, D＞200mm is 6～10mm, the roughness is 0.8μm, and the dimensional tolerance reaches h6.
5. Work roll process: blanking → forging → normalizing after forging → rough turning → quenching and tempering → finishing turning → surface quenching → fine grinding to surface tolerance h6, surface roughness Ra0.8μm
6. After the initial and finishing processing, the work roll shall be inspected twice, and the material inspection report, heat treatment inspection report, and flaw inspection report shall be provided.
7. The working stroke of the upper work roll adopts an electronic digital display (display accuracy is ±0.1mm).
EZHONG leveling sheet features optimal rational design, integrating a wealth of advanced manufacturing technologies such as SOLIDWORKS full 3D digital design. This design approach ensures precise structural layout, rational component matching, and efficient functional integration, laying a solid foundation for stable performance and reliable operation of the leveling equipment.
EZHONG leveling sheet adopts an intelligent control method combining PLC, touch screen and buttons. All working parameters can be set through the man-machine interface, which is equipped with functions of parameter memory, storage and power-off memory to ensure stable operation and convenient parameter management.
The control system of EZHONG leveling sheet features human-machine interconnection, with functions of storing, recalling and editing process and equipment parameters. During operation, users can set inlet and outlet roll gap reductions based on parameters like plate thickness, width and material strength through the interactive interface, enabling automatic adjustment of the leveling process.
Automatic adjustment device for the leveler opening
Before the plate enters the leveler, the plate thickness, width, and material properties are measured by the plate information scanning and processing unit. The measured signals are transmitted to the electrical control cabinet, which automatically performs opening amount calculation and adjusts the leveler's opening accordingly. After correction confirmation, the system will make secondary adjustments to ensure precise alignment with processing requirements.
The whole leveling sheet adopts integral steel plate welding, which is thick and beautiful, and has good stability.
Accurate processing performance can ensure stable and high-quality leveling effect.
EZHONG leveling sheet is designed to straighten plates of various specifications and facilitate block cutting processes. This leveling equipment is suitable for leveling all types of cold-rolled and hot-rolled plates. Thanks to its convenient and user-friendly operation, its application scope spans numerous industries including machinery manufacturing, metallurgy, building materials, chemicals, electronics, electric power, and light industry. It is particularly indispensable in key sectors such as shipbuilding, rolling stock production, boiler and bridge manufacturing, and metal structure factories, becoming an essential product in their production lines.
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