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The 50mm-roll manual leveling machine breaks through the limitations of traditional models, focusing on precision and adaptability. Built around a standard 50mm roll diameter, it achieves high leveling accuracy with simple operation, no complex transmission required, making it an ideal solution for small-and medium-batch processing of thin and medium-gauge sheets across industries.
Unlike general equipment, it targets core needs: high leveling precision, easy maintenance, and strong versatility. Optimized structure effectively eliminates incomplete leveling, surface indentations, and poor material adaptability. Its user-friendly design enables quick operation without professional training, lowering labor costs and operational barriers while helping enterprises improve efficiency and cost-effectiveness.
The 50mm standard roll diameter solves the insufficient load capacity of small rolls and cumbersome handling of large rolls. Rolls are made of high strength wear resistant alloy steel, treated by precision grinding and high temperature hardening, providing excellent compression resistance and durability, reducing deformation and surface scratches. It is well suited for medium to thin sheets with basic surface requirements.
The scientifically staggered roll arrangement enables frequent progressive alternating bending to fully release internal residual stress, ensuring uniform stress distribution and eliminating waviness, warping, twisting, and dents. Leveling accuracy reaches ±0.15 mm/m², meeting precision demands for stamping, bending, welding, and cutting without secondary leveling, greatly improving efficiency.
The one piece welded steel frame delivers high rigidity and stability, avoiding vibration induced leveling errors. The compact structure requires no fixed installation and can be flexibly deployed in workshops, small factories, maintenance shops, and temporary sites. The high efficiency energy saving motor with manual control provides stable power, reduces operator fatigue, and ensures continuous production with low maintenance.
The user friendly control panel with high precision adjustment and clear scales supports parameter setting for various materials (Q235, SPCC, galvanized sheet, stainless steel, aluminum, etc.). It smoothly processes sheets from 0.8 to 4 mm without over bending damage, realizing true multi material, multi specification versatility.
Professional 50mm roll designOptimized for medium to thin sheets; hardened alloy rolls ensure wear resistance, stable precision, and thorough stress relief.
Easy, efficient operationElectric drive reduces labor intensity; compact, movable, no fixed installation needed – ready for immediate use.
Durable & low maintenanceOne piece welded frame + hardened rolls; only simple lubrication and cleaning required, service life over 8 years.
Strong versatilityAdaptable to various metals and sheet thicknesses; supports flexible adjustment for small batch and temporary processing.
High cost performanceEnergy saving motor, lower purchase cost than fully automatic models, higher precision than traditional manual machines.
Width of standard series | 200 | 400 | 600 | 1000 | 1300 | 1600 | 1900 | 2100 |
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Diameter of leveling roller | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
Number of leveling rollers | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
The shortest workpiece length for flattening Lmin (mm) | Lmin=100 | Lmin=100 | Lmin=100 | Lmin=100 | Lmin=100 | Lmin=100 | Lmin=100 | Lmin=100 |
Nominal thickness of leveling material T (mm) | 0.8-4.0 | 0.8-4.0 | 0.8-4.0 | 0.8-4.0 | 0.8-4.0 | 0.8-4.0 | 0.8-4.0 | 0.8-4.0 |
Maximum thickness of flattening material Tmax (mm) | Tmax=8 | Tmax=8 | 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 | |||||||
0.1-0.15mm | 0.1-0.15mm | 0.1-0.15mm | 0.1-0.15mm | 0.1-0.15mm | 0.1-0.15mm | 0.1-0.15mm | 0.1-0.15mm | |
Straightening line speed (m/min) | Speed adjustable at 1-10m/min | |||||||
voltage | AC three-phase 380V | |||||||
Optional Accessories | 1. Automatic loading/unloading manipulators/palletizing robots | 3. Number of leveling rolls | 5. Uncoiler – Laser cutting and blanking line | |||||
2. Infeed/outfeed roller conveyor: Powered/non-powered | 4. Uncoiler – Hydraulic/mechanical cutting line | |||||||
Customized requirements | Customer customization requirements are acceptable | |||||||
What are the main differences between this manual leveling machine and the fully automatic leveling machine?
This manual leveling machine relies on manual parameter adjustment with motor drive, suitable for small-batch and flexible production, while the fully automatic one adopts intelligent automatic control, focusing on high-efficiency mass continuous production.
I have no operating experience. Is this machine easy to use?
Yes, its design fully considers ease of use. The operation logic is very intuitive: preset the roll gap according to the plate thickness → place the plate for trial leveling → observe the effect and make fine adjustments → carry out mass production. Generally, ordinary operators can master the basic operation essentials and carry out production independently after half a day to one day of simple training and practice. It reduces the reliance on highly skilled and high-paid professional technicians.
Will the rollers wear out? What should be done if they wear out?
Rollers are consumable parts but have a long service life, especially when processing non-abrasive materials such as ordinary steel plates. Processing stainless steel or plates with scale will accelerate wear and tear. This has been taken into account in the design of this machine, as the rollers adopt a replaceable modular design. When obvious wear or scratches on the roller surface affect the leveling effect, you can contact the manufacturer to purchase a single roller or a complete set of rollers for replacement, without having to replace the entire equipment, resulting in low maintenance costs.
Besides steel plates, can it process other metals such as aluminum and copper?
Absolutely. The 50-roll diameter manual leveler features excellent material versatility and can effectively process various metal sheets including stainless steel, aluminum, copper, brass, etc. When processing relatively soft materials like aluminum and copper, attention should be paid to keeping the roll surfaces clean to prevent material adhesion, and the reduction amount should be appropriately reduced to avoid leaving indentations on the sheet surfaces.