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Heavy plate leveler

Industrial-Grade Precision Engineering | Thick Plate Specialization | 1100MPa High-Strength Steel Capable

Maximum Plate Thickness: 80mm (standard), up to 120mm (custom)
Maximum Plate Width: 3000mm
Plate Material Yield Limit: Up to 1100MPa
Leveling Precision: ±1.0mm/m²
Working Roller Count: 9-13 rollers (variable number technology)
Drive Configuration: Fully Independent Multi-Motor Drive
Support Roller Count: 3 rows (100+ rollers per row)
Operating Temperature: Ambient to 200°C (hot leveling optional)

6 Core Competitive Advantages

Exceptional for Thick Plate & High-Strength Steel Processing

Engineered specifically for challenging mid-to-thick plate applications (40-120mm). Non-parallel roller arrangement with adjustable edge rollers enables superior stress distribution. Linear decreasing pressure-reduction technology conforms to scientific plate-leveling principles, reducing energy consumption while maximizing leveling precision.

Bi-Directional Feeding with Independent Inlet Control

Machine accepts material feeding from either direction. Independent adjustment of inlet end enables rapid changeover between different plate specifications without mechanical repositioning—critical for batch production environments handling mixed-size workpieces.

Fully Independent Roller Drive System

Each working roller driven by dedicated electric motor via planetary reducer. Flow divider valve maintains perfect load balance. Eliminates mechanical cross-shaft interference that causes uneven stress distribution and workpiece deflection.

Variable Roller Number Technology (Patent-Pending)

Automatic scanning measures incoming plate thickness/width/material grade. PLC automatically calculates and adjusts roller-count in real-time. Thin plates utilize multi-roller configuration for precision; thick plates reduce roller count to increase support span—extending equipment service life while optimizing energy consumption.

Hydraulic Flip-Over Frame for Effortless Unloading

Completed leveled plate sections unload via hydraulic flip-over frame. Eliminates manual lifting, reduces operator fatigue and risk, simplifies production workflow for high-volume operations.

Intelligent PLC Control with Parameter Memory

System automatically calculates optimal inlet/outlet pressure-reduction amounts based on input parameters (plate thickness, width, material strength). Supports parameter storage and recall—enabling rapid batch processing of identical specifications without manual recalculation.

In-depth Technical Introduction

01. Non-Parallel Roller Arrangement with Edge-Roller Adjustment

Revolutionary asymmetric design differs from traditional parallel-roller systems. Lower rollers positioned at variable angles; edge rollers independently adjustable via dedicated hydraulic cylinders. Creates flexible geometric adaptation for diverse plate curvatures and residual stress patterns.

  • Inlet Pressure: 50-130mm adjustable (model dependent)
  • Outlet Pressure: -5 to -25mm adjustable
  • Edge Roller Offset: ±50mm independent positioning
  • Precision: ±0.5mm position repeatability

Process Benefit: Resolves traditional equipment's plate-feeding difficulties | Achieves fuller plate deformation, reducing residual stress concentration | Minimizes "blind zones" (areas insufficiently straightened by standard equipment)

Non-parallel roller arrangement with edge-roller adjustment structure diagram
02. Linear Decreasing Pressure-Reduction Technology

Inlet pressure set high (aggressive bending); outlet pressure progressively reduced as plate exits. Mimics scientific plate-leveling physics—material work-hardens less, stress relief improves, final straightness achieved with minimal overshoot.

  • Inlet Pressure: 50-130mm reduction (high pressure zone)
  • Mid-Section: Gradual linear reduction
  • Outlet Pressure: 5-25mm (low pressure zone for stress relief)
  • Energy Efficiency: Reduces overall bending force by 30% vs. traditional equipment

Material-Specific Optimization: Carbon Steel (Q345-Q420): Standard pressure curve | High-Strength Steel (1100MPa): Enhanced pressure profile | Specialty Alloys (duplex, stainless): Custom curve per material

Linear decreasing pressure-reduction technology
03. Variable Roller Number Adjustment System

Proprietary technology allows dynamic reduction/addition of working rollers based on real-time plate analysis. Scanning module measures plate thickness/width before entry; PLC calculates optimal roller configuration.

  • Thin Plates (3-8mm): All rollers engaged for maximum precision
  • Medium Plates (8-20mm): Selective roller activation for balanced accuracy/efficiency
  • Thick Plates (40-120mm): Minimum rollers deployed to increase support span (reduces deflection)
  • Economic Impact: Single machine replaces 2-3 dedicated thin/thick plate equipment

Precision Metrics: Thin plate mode: ±0.5mm precision achievable | Thick plate mode: 3× longer bearing/roller life due to reduced operational cycles

Variable roller number adjustment system

Main Component Introduction

Closed-Frame Welded Structure

High-strength structural steel (Q355), fully stress-relieved via furnace annealing. Integrated box-section construction. Deflection <1.0mm under full 34000 kN bending load. Service life 20+ years.

Working Roller System

42CrMo forged steel, surface hardness HRC 50-55 quenched & tempered. Diameter 280-400mm. Precision ground & polished Ra <1.0μm. Multi-motor independent drive with planetary reducers, flow divider maintains ±3% load balance.

Hydraulic Pressure Mechanism

Dual-motor synchronized drive via worm-gear reducers. Box-section steel cross-beam stress-relieved post-weld. Stroke capacity +240mm to -40mm reduction range. Precision ±2mm position repeatability.

Support Roller Matrix

Triple-row backup roller system with chess-board layout. 42CrMo single-side quenched depth 3.5-4.5mm. Each support roller independently adjustable via wedge mechanism. Compensates beam deflection under load.

Full Model Parameter Comparison Table

Model Max Thickness (mm) Plate Width (mm) Yield Limit (MPa) Working Rollers Support Rows Main Motor Power (kW) Pressure Adjustment (kW) Leveling Precision (mm/m²) External Dimensions L×W×H (mm)
EZW43B-40×2000 40 2000 1100 11 3 45×2 5.5×2 1.0 5500×2400×2600
EZW43B-50×2500 50 2500 1100 13 3 52×2 5.5×2 1.0 6100×2800×2700
EZW43B-60×3000 60 3000 960 15 3 75×2 7.5×2 1.0 6800×3100×2900
EZW43B-80×3000 80 3000 960 17 3 90×2 7.5×2 1.0 7200×3100×3100
EZW43T-40×2200 40 2200 1100 9 3 55×2 5.5×2 0.8 5800×2500×2800
EZW43T-60×2200 60 2200 1100 11 3 75×2 7.5×2 0.8 6400×2800×3000
EZW43T-80×2200 80 1000 1100 13 3 90×2 7.5×2 0.8 6800×3000×3200

Wide Application Scenarios

Heavy Equipment Component Manufacturing

Excavator booms, dozer blades, truck frames | Q345, Q420 high-strength steel | Thickness 30-80mm | Straightness ±3mm; weldability preserved; no surface defects.

Bridge Steel Structure Components

Main beam flange plates, box-section components | Q345, Q420 specialty alloys | Thickness 40-100mm | Curvature consistency ±2mm; internal stress relief uniform.

Shipbuilding Hull & Structure Plates

Heavy hull sections, strength deck plating | AH32, AH36, EH36 marine-grade steel | Thickness 50-80mm | Surface finish DNV-GL approved; ovality ≤1.5mm.

Industrial Boiler & Pressure Vessel Shells

High-pressure reactor shells, boiler drums | ASTM A516 Gr.70, 16MnDR | Thickness 40-120mm | Roundness ±2mm; residual stress controlled; weld-ready.

Military/Defense Equipment Components

Armor plating, tank hull sections, structural reinforcements | High-strength armor steel 1100-1300MPa | Thickness 60-120mm | Precision ±0.5mm; no micro-cracking; dimensional stability.

Specialty Alloy Component Leveling

Stainless steel reactor components, duplex steel structures | 304/316L stainless, duplex 2205, Hastelloy | Thickness 20-80mm | Surface preservation no marring; stress relief even distribution.

Global Customer Project Cases

Customer Cases
Product Video

Frequently Asked Questions - Heavy-Duty Plate Leveling

What is the difference between EZW43B and EZW43T model series?

EZW43B (standard series) uses stress-relieved welded frame; optimal for medium-duty applications (40-60mm). EZW43T (precision series) features closed-box pre-stressed frame with higher rigidity; designed for heavy-duty applications (60-120mm) and precision-critical work. EZW43T achieves ±0.8mm/m² vs. EZW43B's ±1.0mm/m².

How does automatic gap-adjustment system save setup time?

Before plate entry, laser/sensor scans thickness/width/material grade. PLC calculates optimal inlet/outlet pressure automatically. Motor-driven adjustment completes setup in <2 minutes (vs. manual 45-minute mechanical screw adjustment). Eliminates human error and trial-and-error tuning.

Can the machine handle both thin and thick plates?

Yes. Variable roller-number technology adjusts active roller count per plate thickness. Thin plates (3-8mm) activate all 13 rollers for precision; thick plates (40-120mm) reduce to 9 rollers, increasing support span and load capacity. Single machine replaces 2-3 dedicated thin/thick equipment.

What is the difference between parallel and non-parallel roller arrangement?

Parallel-roller machines apply uniform pressure across plate width (useful for flat sheets). Non-parallel arrangement enables independent edge-roller adjustment, accommodating curved/warped material. Asymmetric pressure distribution resolves edge-waving and center-deflection problems traditional equipment cannot address.

Does the machine accommodate different plate materials?

Yes. Database pre-programs 50+ material grades (carbon steel, stainless, duplex, specialty alloys). PLC automatically selects pressure curve based on yield-strength input. Custom curves can be created/stored for unique materials. Enables rapid material switchover without manual parameter recalculation.

What is the maintenance interval for thick-plate leveling equipment?

Preventive maintenance recommended every 500 operating hours. Service includes: hydraulic oil & filter change, bearing re-lubrication (centralized system), pressure valve calibration, roller surface inspection. Full PM service requires 12-16 hours; can be performed during night shift without production interruption.

How does bi-directional feeding improve throughput?

Machine accepts material from either direction; inlet end independently adjustable per feed direction. Eliminates need to manually reverse plate or reposition machine. In continuous production, operator can load next plate while current plate exits—reducing cycle time 20-30%.

What safety features protect operators?

Multiple emergency stop buttons (5 locations), optical safety sensors at inlet/outlet (light curtain protection), dual-hand enable switch (optional), pressure relief valve with auto-unload solenoid, mechanical hard limits on all moving components, protective guards on all rotating elements.

Can remote diagnostics detect equipment degradation?

Optional IoT upgrade enables cloud connectivity. Pressure trends, motor current, bearing vibration monitored continuously. Predictive alerts issued 2-3 weeks before component failures (85% accuracy). Remote expert support available 24/7 for troubleshooting.

What is the typical energy consumption for thick-plate leveling?

Average power draw 45-90 kW per operating hour (model dependent). Linear decreasing pressure-reduction technology reduces overall energy vs. traditional equipment by 25-30%. Annual energy cost for typical heavy-duty operation: €15K-25K (varies by local electricity rates).

Customization & Optional Accessories

Accessory Lead Time Function Value Proposition
Automatic Material Feeding System 8 weeks Motorized conveyor with auto-positioning, ±5mm accuracy Eliminates manual loading; -40% operator labor; improves throughput
In-Line Flatness Measurement 10 weeks Laser-based measurement integrated at outlet Real-time quality feedback; enables automatic pressure adjustment; ±0.3mm accuracy
SPC (Statistical Process Control) Software 5 weeks Tracks quality metrics, generates control charts, produces audit reports Enables PED/ASME compliance documentation; traceability for high-end customers
Automatic Edge-Roller Leveling System 6 weeks Servo-driven edge-roller tilt with pressure feedback Eliminates manual edge adjustment; auto-corrects wave distortions; ±1mm precision
Hot Leveling Configuration 12 weeks Enhanced rollers, cooling system, thermal insulation Enables warm/hot leveling (up to 200°C) for specialty heat-treat alloys
Remote Diagnostics & Predictive Maintenance 6 weeks (subscription €12K/year) Cloud monitoring, ML-based failure alerts, mobile dashboard Prevents 80% unplanned downtime; extends component life 20%
Integrated Downstream Marking System 7 weeks Pneumatic marking tool synchronizes with plate exit Automatic part identification; integrates with MES tracking
Custom Pressure-Curve Database Expansion 4 weeks Engineering consultation + 20 new material profiles Accelerates setup for new materials; reduces trial-and-error time
Hydraulic Oil Conditioning Unit 5 weeks Offline filtration + water removal + temperature control Extends hydraulic fluid life 2.5×; maintains 45-55°C optimal operation
Marine-Grade Corrosion Protection 4 weeks Salt-spray resistant coatings, stainless fasteners, sealed bearings Critical for coastal/offshore manufacturing environments

Certifications & After-Sales Support

Industry Standards & Certifications

  • ISO 9001:2015 – Quality Management System
  • ISO 14001:2015 – Environmental Management
  • CE Marking – European Machinery Directive 2006/42/EC
  • ASME B4.4 – Machine Tool Accuracy Standards
  • PED (Pressure Equipment Directive) – Optional for pressure vessel manufacturers
  • DNV-GL Certification – Optional for marine equipment
  • Military MIL-STD Compliance – Optional for defense contractors

Comprehensive After-Sales Support

  • 24/7 Technical Hotline – Phone + email in Chinese, English, German
  • 2-Year Full Warranty – Parts & labor coverage; extends to 5 years with maintenance contract
  • Preventive Maintenance Plan – 500-hour service schedule; dedicated PM kits provided
  • Spare Parts Priority Service – Expedited shipping for critical components (48-72 hours)
  • On-Site Commissioning – Factory engineer travels for installation & operator training (3 days)
  • Annual Facility Visits – Free equipment inspection + optimization consultation
  • Software Updates – Free CNC control system updates for 5+ years post-purchase
  • Process Consulting – Free technical support for custom material/thickness applications