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The 40-roll hydraulic leveling machine is specifically designed for medium-to-thin sheets ranging from 0.6 to 4 mm in thickness. With its hydraulic drive providing uniform and stable force, it efficiently levels materials such as cold-rolled steel, aluminum alloys, and galvanized sheets, effectively eliminating deformation and residual stress resulting from shearing and stamping. The rollers are made of high-hardness alloy steel that has undergone quenching and grinding, making them wear- and corrosion-resistant. Combined with a hydraulic synchronous lifting mechanism, the roller gap adjustment precision reaches 0.01 mm, ensuring excellent sheet flatness after leveling with no indentations or scratches. This equipment is suitable for small to medium-sized sheet metal workshops. It can operate as a standalone unit or be integrated into automated production lines. Featuring adjustable speed and segmented pressure control, it accommodates the leveling requirements of various sheet materials. The machine boasts high structural rigidity, low operational noise, and comprehensive safety features. Routine maintenance requires only periodic lubrication and filter replacement, ensuring minimal loss of precision over extended use. It serves as a versatile, precision leveling solution for mid-range sheet metal processing.
Adaptive Yield Strength Matching: The hydraulic system automatically detects material hardness (200–1500 MPa) and adjusts the pressure curve to match the yield point, preventing over-leveling of soft aluminum and under-leveling of hard stainless steel, ensuring uniform results.
Pulsed Pressure for Thermal Stress Relief: For laser-cut parts, the system outputs pulsed hydraulic pressure at 10–50 Hz to break down the hardened heat-affected zone, reducing edge warping by 70%. This is ideal for processing precision electronic shielding enclosures and mobile phone components.
Multi-layer composite balanced leveling: Independent hydraulic zones are configured across the roller width, allowing different pressures to be applied to the upper and lower layers of 0.5–2.0 mm aluminum-plastic composite panels. This prevents delamination while achieving a flatness of within 0.1 mm/m for lightweight aerospace panels.
Energy-efficient hydraulic design: Equipped with a variable-displacement pump and accumulator, the system recovers 40% of hydraulic energy under low-load conditions, reducing annual power consumption by 15,000 kWh compared to traditional mechanical leveling machines.
Width of standard series | 600 | 1000 | 1300 | 1600 | 1900 | 2100 |
|---|---|---|---|---|---|---|
Diameter of leveling roller | 40 | 40 | 40 | 40 | 40 | 40 |
Number of leveling rollers | 23 | 23 | 23 | 23 | 23 | 23 |
The shortest workpiece length for flattening Lmin (mm) | Lmin=80 | Lmin=80 | Lmin=80 | Lmin=80 | Lmin=80 | Lmin=80 |
Nominal thickness of leveling material T (mm) | 0.6-4.0 | 0.6-4.0 | 0.6-4.0 | 0.6-4.0 | 0.6-4.0 | 0.6-4.0 |
Maximum thickness of flattening material Tmax (mm) | Tmax=8 | Tmax=8 | Tmax=8 | Tmax=8 | Tmax=8 | Tmax=8 |
Leveling accuracy | The parameters are calculated according to the material Q235/yield strength 235MPa, and the length and width are detected within 1m | |||||
0.01-0.05mm | 0.01-0.05mm | 0.01-0.05mm | 0.01-0.05mm | 0.01-0.05mm | 0.01-0.05mm | |
Straightening line speed (m/min) | Speed adjustable at 1-10m/min | |||||
voltage | AC three-phase 380V | |||||
Optional Accessories | 1.Pulling out the flattening roller downwards (convenient for roller quick change and surface cleaning) | 4.Four/six times leveling roller | 7.Number of leveling rollers | |||
2.Pulling out the leveling roller (convenient for roller quick change and surface cleaning) | 5.Automatic loading/unloading manipulator/palletizing robot | 8.Uncoiler - Hydraulic/Mechanical Cutting Line | ||||
3.Pulling out the roller up and down (convenient for roller quick change and surface cleaning) | 6.Feeding and discharging roller assembly line: with/without power | 9.Uncoiler - laser cutting blanking line | ||||
Customized requirements | Customer customization requirements are acceptable | |||||
Remarks | Straighten the pressing gap of materials, input relevant parameters through the touch screen, and the equipment will automatically adjust. | |||||
Thanks to its high precision and powerful processing capabilities, this equipment is widely used in industries with stringent flatness requirements:
New Energy Vehicles: Used to flatten critical components such as battery trays and aluminum alloy housings to ensure high yield rates for laser welding.
Heavy Machinery and Shipbuilding: Processes high-strength steel plates up to tens of millimeters thick, such as shield machine cutterheads and ship hull plates, to eliminate residual stresses and improve the fatigue life of structural components.
Aerospace: Performs precision leveling of sheets made from special materials such as aluminum and titanium alloys to meet aircraft manufacturing standards.
Consumer Electronics: Flattening thin-walled parts such as smartphone back covers and titanium alloy mid-frames to ensure their appearance and assembly precision.
Laser Cutting and Sheet Metal Fabrication: As part of automated production lines, providing flat raw materials for laser cutting or directly flattening cut workpieces.
Architectural and Decorative Applications: Processing aluminum curtain wall panels, ceiling panels, and similar components to ensure their surfaces are flat and free of reflective distortion.
