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This was a key enterprise designated by the former Ministry of Machinery Industry for manufacturing heavy-duty metal processing machinery like plate bending machines and multi-roll leveling machines. Now, it has grown into a leading domestic production hub for such equipment. It stands at the forefront of 11-roll leveling machine R & D worldwide, integrating cutting-edge international technologies. Though specific details of the 11-Roll Leveling Machine are pending, it is presumably a high-precision model in the enterprise’s core series, dedicated to enhancing plate flatness for sectors such as automotive manufacturing and aerospace.
Model | Sheet Thickness | sheet width | yield limit |
EZW43V-40X1600 | 40mm | 1600MM | 320MPA |
Adopting an optimized frame structure, the force transmission is stable, the appearance is compact, the overall rigidity is strong, and it can achieve stable leveling under full load without special foundation reinforcement.
-Integrating the pressure adjustment and roll gap control mechanism, with precise servo drive, it enables accurate positioning of the working rolls and flexible adjustment for different sheet materials.
-The movable beam is designed with easy access, facilitating quick roll replacement and daily maintenance of the sheet leveling machine.
-Equipped with an automatic lubrication system, key components like rolls, bearings, and transmission parts are lubricated regularly via pipelines to ensure long-term stable operation.
-Advanced measurement and electrical control system, using high-performance PLC, allows setting inlet/outlet parameters based on sheet thickness, width, and material. It stores process data for instant recall and modification.
-High cost-effectiveness, saving working hours, minimizing scrap and rework rates. Simple operation enables single-person independent operation efficiently.
-During plate leveling, the deformation gradient is scientifically distributed. The initial rolls ensure 50-55% plastic deformation of the plate thickness, with subsequent rolls gradually reducing deformation until the final elastic recovery (deformation approaches zero), ensuring uniform stress release.
-Based on medium-load characteristics, work rolls are designed with optimized roll spacing and diameter. The rigidity of the sheet leveler is enhanced to adapt to both thin and medium-thick plates. Work roll journals use high-precision rolling bearings, reducing friction to prevent slipping, enabling stable straightening of thin steel plates (≥0.3mm) and ensuring leveling accuracy.
-Compared with traditional designs, the transmission efficiency is significantly improved, reducing motor power demand by 15-20% for energy saving. The sub-roller drive structure enhances workpiece grip. Upper and lower roll gap/angle adjustments are precise, with the guiding mechanism maintaining high stability during operation.
-Work roll material is 50CrNiMo, conforming to "JB/T3164-2007" standards. After quenching and tempering, HBW is 270-300; surface hardening hardness reaches HS80-90 (HRC52-58), with hardened layer depth of 2-4mm for D≤150mm rolls and 4-6mm for D＞150mm. Roughness is 0.8μm, dimensional tolerance h6.
-Work roll process: blanking → forging → annealing → rough turning → quenching and tempering → semi-finishing turning → surface quenching → fine grinding to h6 tolerance and Ra0.8μm roughness.
-Work rolls undergo three inspections after blanking, rough machining, and finishing. Material, heat treatment, and flaw detection reports are provided to ensure quality.
-The upper work roll working stroke is equipped with electronic digital display, with a display accuracy of ±0.1mm for precise adjustment monitoring.
The movable beam of the 11-roll leveling machine is designed with an optimized lifting stroke, making it easier to access the roll system and facilitating quick disassembly, replacement, and daily maintenance of the working rolls and supporting components.
Using an intelligent electric lubrication pump for centralized lubrication, key components such as working rolls, support roll bearings, gearboxes, and lead screws are supplied with lubricant through separate pipelines connected to the electric pump, ensuring precise and timely lubrication for each critical part.
Equipped with advanced measurement and electronic control systems, the 11-roll leveling machine is controlled by high-performance PLC from a renowned international brand. On the operation console, inlet and outlet roll gap adjustments can be set based on parameters like plate thickness, width, material, and initial flatness. The PLC features functions for editing, storing, and recalling process parameters, allowing for real-time modification and quick adaptation to different production needs.
Complete protection function: Exposed rotating components such as the roll drive shafts and transmission gears are covered with protective enclosures, while the feed and discharge ports are equipped with photoelectric safety sensors to prevent accidental access during operation.
This metal fabrication equipment is produced in strict compliance with EC safety standards, ensuring full alignment with international safety specifications, and has obtained CE certification to validate its compliance for global market access.
The entire machine adopts integral steel plate welding, featuring a thickened structure that combines durability with an elegant appearance. This design ensures excellent overall stability during operation, enhancing performance reliability in industrial applications.
Accurate processing performance can ensure stable and high-quality leveling effect.
This multi-roll leveling machine is widely utilized across diverse industrial sectors. EZHONG’s multi-roll leveling equipment boasts mature core technology, superior leveling precision, flexible process adaptability, intelligent operation systems, and stable performance even under long-term heavy loads. Its application scope covers automotive parts manufacturing, wind power equipment production, pressure vessel fabrication, and precision hardware processing, playing a crucial role in ensuring the dimensional accuracy, surface quality, and structural integrity of industrial workpieces.
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