Tier-1 China Metallurgical Machinery Base

China Roll Slitter Rewinder Suppliers & Factory

Pioneering High-Precision Coil Slitting Lines, Continuous Cut-to-Length Systems, and Flying Shear Automation with Strict Tolerances for Global Metal Processors Since the 1980s.

Direct Engineered Solutions

Precision Coil Processing Equipment & Slitting Lines

Manufactured inside our 40,000 m² Wuxi production center. Built with rigid steel fabrication, multi-roll drive systems, and computerized tension control.

01 Leveling High strength leveling machine for steel plate

High Strength Leveling Machine

Multi-roll hydraulic leveling configured to eliminate high-yield coil set and edge waves.

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02 Straightening Professional straightening machine for metal sheet

Professional Straightening Machine

High-precision stress-relief straightening ensuring extreme planarity prior to stamping.

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03 Flying Shear Hot rolled plate moving shear line

Hot Rolled Plate Moving Shear Line

Synchronized continuous fly-cutting mechanism delivering high-speed output with zero line stall.

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04 Stainless CTL Stainless steel coil uncoiling leveling shearing stacking line

Stainless Steel Uncoiling-Leveling-Shearing Line

Zero-scratch surface handling line customized for austenitic and ferritic mirror stainless coils.

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05 Dual Systems Hot-rolled coil uncoiling slitting leveling cut-to-length stacking production line

HR Uncoiling-Slitting-Leveling-CTL Line

Space-saving combination system delivering multi-strip slitting and precision blank cut simultaneously.

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06 Heavy Slitter Hot rolled sheet uncoiling slitting and recoiling production line

HR Sheet Uncoiling Slitting & Recoiling Line

Industrial heavy-gauge rotary slitter line equipped with dual turret arbors for fast tool setup.

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07 Mill Slitter HR uncoiling slitting recoiling line

HR Uncoiling-Slitting-Recoiling Line

Dedicated high-capacity strip feed system built directly for ERW pipe and tube forming lines.

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08 Auto Stacking Hot rolled sheet uncoiling leveling shearing stacking production line

HR Sheet Uncoiling-Leveling-Shearing-Stacking

Automated heavy sheet packaging setup complete with drop-type air cushion automated stacking.

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Industry Macro Intelligence

The Global Roll Slitting & Rewinding Landscape: Challenges & Market Imperatives

Navigating changing metallurgical standards, ultra-high tensile steels (AHSS), and automated coil handling requirements.

40+
Years Engineering Heritage
40,000m²
Modern Heavy Machine Shop
30+
Global Export Territories
±0.05mm
High-Tolerance Precision

Advanced High-Strength Steels (AHSS)

Modern service centers deal with tensile strengths exceeding 980-1200 MPa. Traditional slitter tooling experiences premature blade chipping and arbor deflection. Wuxi Jianfa utilizes heavy-duty forged 42CrMo shafts with cryogenic toolings, suppressing dynamic harmonic chatter during shearing.

OEE & Digital Line Synchronization

Downtime in rotary slitting is predominantly caused by knife tooling setups and manual recoiler tension adjustments. Our lines integrate automated CNC knife positioning, hydraulic quick-change turret heads, and closed-loop load-cell recoiler tensioners to achieve up to 88% overall equipment effectiveness.

Edge Quality, Burr & Camber Suppression

Stamping lines and hydroforming auto-component facilities demand edge burrs below 3% of sheet gauge. By combining precision helical ground arbor gears, high-rigidity preloaded bearings, and hydraulic scrap cutters, our roll slitting lines prevent burr build-up and transverse edge stretch.

Engineering Matrix

Line Selection Architecture & Process Flow Parameters

Comprehensive comparative breakdown to assist plant engineers in selecting between Slitting, Cut-to-Length, and Continuous Flying Shear machinery.

Evaluation Parameter Rotary Roll Slitter Rewinder Line Stop-Shear Cut to Length (CTL) High-Speed Flying Shear Line
Primary Target Output Multi-strand narrow coils rewound uniformly Flat dimensioned sheets in palletized bundles High-throughput flat blanks without strip stop
Applicable Material Specs CR, HR, GI, Silicon Steel, Stainless, Brass, Al Hot-rolled mild steel, galvanized structural coil Automotive exterior panels, appliances, stainless
Operational Velocity Up to 150 – 220 m/min 30 – 60 m/min (Subject to cut cycle) 80 – 120 m/min continuous strip speed
Strip Thickness Capability 0.2 mm up to 16.0 mm 0.5 mm up to 25.0 mm heavy plate 0.3 mm up to 6.0 mm medium gauge
Tension Management Pneumatic belt bridles, pad tensioners, eddy drives Looping pit with photo-electric sensors Synchronized servo speed matching
Critical Downstream Utility ERW tube mills, roll forming, stamping presses Laser cutting, press brake folding, structural beams High-volume stamping, OEM white goods blanks
Trust & Global Governance

Localized Support, CE Compliance & Factory Integration

Ensuring overseas machinery procurement aligns with local occupational safety regulations and rigorous engineering lifecycle support.

CE Machine Safety Directive

Every slitting line complies with EN ISO 12100 and EN 60204-1 standards. Integrated with safety interlock light curtains, emergency pull cords across looping pits, and dual-channel safety relays to protect plant technicians.

Global On-Site Commissioning

Our factory dispatched field engineers execute foundational alignment, mechanical leveling, hydraulic pressurization tests, and live strip runs at client plants. Local operators are fully trained in knife gapping and safety protocols.

Tier-1 Component Standard

To assure effortless local spare parts sourcing, our control architectures utilize Siemens or Mitsubishi PLCs, Schneider Electric switches, Rexroth hydraulic valving, and NSK bearings known and serviced globally.

United StatesMexicoBrazilGermanyGreeceBulgariaTürkiyeRussiaKazakhstanKyrgyzstanEgyptLibyaJordanSaudi ArabiaUnited Arab EmiratesSouth AfricaIndiaVietnamMalaysiaIndonesiaAustralia
Field Applications

End-Market Specialized Solutions

Configured machinery tailored to specific material attributes, from silicon electrical steel cores to thick structural beams.

Automotive Stamping

Processing exposed automotive skin panels (Class-A surfaces) requires zero scrap debris and scratch-free roll passings. Jianfa polyurethane-coated pinch rolls safeguard sensitive cold-rolled aluminum and galvanized sheets.

Transformer Core Laminations

Grain-oriented silicon steel (CRGO) demands slitting lines with runout accuracy under 0.003mm. Our high-precision slitter arbors eliminate magnetic domain degradation and excessive edge stress.

Tube & Pipe Mills

Continuous pipe production requires exact width consistency without edge camber. Our lines offer fast changeover dual-turret slitters, ensuring strip widths feed seamlessly into high-frequency induction welders.

Steel Service Centers

High-mix low-volume operations require rapid knife changes. Jianfa quick-release hydraulic lock nuts and automatic shim calculation programs slash tooling turnaround from 60 minutes to under 15 minutes.

Technology Roadmap

Future Outlook: Smart Metallurgy & Automated Coiling

Where intelligent coil processing is heading over the next decade.

AI Computer Vision Inspection

Integration of real-time machine vision inspection systems scanning both sides of strip traveling at 150m/min. Surface scratches, pinholes, and laminations are classified automatically via neural network vision models.

Closed-Loop Servo Tensioning

Replacing friction brake blocks with full AC vector regenerative servo drives. Energy captured during uncoiling and recoiling braking cycles is fed back into plant grids, reducing electrical consumption by up to 28%.

Automated Robotic Knife Setup

Autonomous robotic arms that pick, inspect, and position rotary slitter blades, rubber stripper rings, and spacers onto auxiliary arbors, removing manual human intervention and boosting setup accuracy to micron levels.

Frequently Answered Questions

Expert Engineering Answers for Procurement Teams

Detailed technical considerations addressing capacity, blade clearance, installation, and spare part logistics.

What coil processing equipment does Wuxi Jianfa manufacture?
We manufacture complete coil processing systems: heavy-duty slitting lines (rotary shear lines), stop-shear cut-to-length lines, continuous high-speed flying shear production lines, four-high and six-high leveling machines, tension levelers, straightening units, and continuous galvanizing lines. Equipment is provided as complete turn-key solutions or as independent units to upgrade existing production setups.
Which materials and yield grades can your slitting and cut to length lines handle?
Our lines are engineered to handle hot-rolled steel, cold-rolled carbon steel, galvanized coil (GI/GL), pre-painted metal (PPGI), stainless steel (grades 200, 300, 400 series), electrical silicon steel, copper, and aluminum alloys. Each line's mechanical rigidity, arbor diameter, and motor kilowatts are calculated directly against your target yield strength (from 235 MPa up to 1200 MPa AHSS).
How do I determine whether my facility needs a Slitting Line, Cut to Length, or Flying Shear?
Select a Slitting Line if your end product consists of narrow coiled strips required for stamping feed reels or tube mills. Choose a Cut to Length Line if you produce precision flat sheets stacked on skids. Choose a Flying Shear Line when sheet throughput and blank surface integrity are paramount; flying shears cut while strip moves continuously, avoiding surface indentations from stopping rolls. Combined slitting and CTL configurations are also available.
What parameters are required to generate an accurate technical engineering quote?
To provide an exact engineering proposal, please share: 1) Coil material grade, tensile and yield strength; 2) Strip thickness range (min/max mm); 3) Strip width range (min/max mm); 4) Maximum coil entry weight, inner diameter (ID), and outer diameter (OD); 5) Desired cut widths and count (for slitting) or sheet length ranges (for CTL); 6) Target line velocity (m/min); and 7) Plant power supply (voltage, frequency, phase).
Do you provide overseas mechanical installation, electrical commissioning, and training?
Yes. Our factory dispatch teams carry extensive overseas experience. We supervise on-site foundation layout, mechanical leveling, hydraulic plumbing, and electrical commissioning. Furthermore, we train your machine operators on arbor clearance calculations, shim setups, emergency protocols, and PLC troubleshooting prior to sign-off.
Can client representatives visit the factory and inspect the line before shipment?
Absolutely. We strongly encourage Factory Acceptance Testing (FAT). Our 40,000 m² facility is located in Wuxi, Jiangsu Province, just 40 minutes from Shanghai via high-speed rail. Buyers are welcome to inspect dry runs, hydraulic pressure load holding, arbor concentricity, and sample trial cuts directly before seaworthy packaging.
Comprehensive Machinery Lineup

Explore Full Range of Coil Slitting & Shearing Systems

Engineered for continuous duty in heavy service centers, precision automotive stampers, and tube production lines.

Leveler High Strength Leveling Machine

High Strength Leveling Machine

Extreme duty roll configuration providing flat, residual-stress-free plate blanks.

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Straightener Professional Straightening Machine

Professional Straightening Machine

Engineered for structural shapes, thick sheets, and automotive blanks needing high flatness.

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Moving Shear Hot Rolled Plate Moving Shear Line

Hot Rolled Plate Moving Shear Line

Traveling shear carriage design cutting heavy hot-rolled plate on the fly.

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Stainless CTL Stainless Steel Coil Uncoiling-Leveling-Shearing-Stacking Line

Stainless Coil CTL Stacking Line

Complete uncoiling, multi-roll precision leveling, shear, and automated non-marking stacker.

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Combined Hot-Rolled Coil Uncoiling-Slitting-Leveling-Cut-To-Length-Stacking Production Line

HR Uncoiling-Slitting-CTL Line

Integrated processing line delivering both slit narrow coils and sheet cuts in one layout.

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Slitting Hot Rolled Sheet Uncoiling, Slitting and Recoiling Production Line

HR Sheet Slitting & Recoiling Line

Precision multi-knife slitting system for structural hot-rolled sheet with tight coiling.

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Recoiling HR Uncoiling-Slitting-Recoiling Line

HR Uncoiling-Slitting-Recoiling

Continuous slitting line customized for structural steel profiles and pipe production.

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Automated CTL Hot Rolled Sheet Uncoiling-Leveling-Shearing-Stacking Production Line

HR Sheet Uncoiling-Shearing-Stacking

Turnkey coil-to-sheet blanking system with integrated measuring and automated stacking.

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Consult with a Senior Machine-Building Engineer

Skip middlemen and commercial trading brokers. Review your coil width, gauge, yield strength, and factory layout directly with our Wuxi manufacturing engineers for optimal equipment configuration.