Famous Decoiler Straightener Feeder Manufacturer & Factories

Pioneering High-Precision Heavy-Gauge Coil Processing, Integrated Automation, and Industry 4.0 Smart Stamping Solutions for Global Metal Fabricators.

Primary Line Solutions

Precision Coil Processing Portfolio

Engineered for high-yield tensile strength and continuous duty cycle operation. Integrated decoiling, leveling, and high-speed shearing systems.

High Strength Leveling Machine
Heavy-Duty Leveling

High Strength Leveling Machine

Designed for ultra-high-yield automotive steels to eradicate residual internal stresses, edge wave, and coil set.

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Professional Straightening Machine
Straightening Systems

Professional Straightening Machine

Precision multi-roll roll-forming feed aligners ensuring high micron-level tolerance for stamping lines.

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Hot Rolled Plate Moving Shear Line
Synchronous Shearing

Hot Rolled Plate Moving Shear Line

Non-stop continuous strip shearing synchronization delivering extreme throughput without material scoring.

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Stainless Steel Coil Uncoiling-Leveling-Shearing-Stacking Line
Surface Sensitive Line

Stainless Steel Cut-To-Length Line

Complete uncoiling, leveling, and automatic magnetic/pneumatic stacking built for delicate stainless surfaces.

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Hot-Rolled Coil Combined Slitting Cut-To-Length Line
Multi-Functional Combined Line

Hot-Rolled Combined Slitting & CTL Line

All-in-one footprint handling both precision rotary slitting and continuous length shearing directly on one bed.

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Hot Rolled Sheet Slitting and Recoiling Production Line
High-Output Slitting

HR Sheet Slitting & Recoiling Line

High-torque rotary cutters with integrated hydraulic scrap winders and tensioning stations for uniform coils.

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HR Uncoiling-Slitting-Recoiling Line
Tube Mill Supply

Heavy-Duty Slitting & Recoiling Plant

Configured specifically to feed narrow, uniform tolerance coils directly into continuous tube and pipe mills.

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Hot Rolled Sheet Uncoiling Leveling Shearing Stacking Line
Automated Stacking

HR Uncoiling, Leveling & Shearing Line

Integrated decoiler-straightener-feeder line featuring dynamic drop-stacking for thick structural plates.

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Technical Authority & Heritage

Four Decades of Engineering Excellence: Wuxi Jianfa

Founded in the early 1980s, Wuxi Jianfa Machine-Building Co., Ltd. has evolved into a premier national key developing enterprise in China's metallurgical and coil machinery sector.

40+ Years of Specialization

Since the 1980s, we have focused exclusively on metal decoiling, straightening, slitting, and length-cutting engineering. Continuous iteration provides unmatched reliability in managing complex material springback and stresses.

40,000 m² Integrated Infrastructure

Full lifecycle manufacturing completed internally at our modern facility in Wuxi, Jiangsu. From heavy CNC gantry milling to precision roll grinding and final assembly, we avoid sub-tier machining volatility.

Global Deployment in 30+ Nations

Trusted across tier-one manufacturing bases throughout North America, Europe, Southeast Asia, South America, and the Middle East. Full compliance with international functional safety standards.

40+
Years Operational History
40,000m²
State-of-the-Art Factory Base
45M RMB
Registered Capital
200+
Engineers & Machinists
Verified Production Credentials

Original Factory Documentation & Certification Assets

Maintained under strict quality management systems ensuring full traceability from raw alloy forging to functional delivery.

China Manufacturer Of Slitting Line Manufacturers, Supplier

Slitting Line Manufacturing Systems

Industrial slitting production technology engineered for high repeatability and zero coil scuffing.

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CE Certification Manufacturer Of Cut to Length Line Manufacturer, Suppliers

CE Certified Cut To Length Line

Certified cut-to-length solutions built under strict European Conformity electrical and mechanical guidelines.

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High-Quality Professional Flying Shear Production Line Manufacturer, Supplier

Flying Shear Systems

High-speed continuous strip cutting synchronized dynamically via high-performance multi-axis servos.

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Future-Proofing Production

Decoiler Straightener Feeder: Technology Roadmap & Future Outlook

The coil handling paradigm is rapidly pivoting from separate mechanical units to ultra-compact, high-speed, closed-loop 3-in-1 automated feed lines.

Advanced High-Strength Steel (AHSS) Handling

With automotive OEM adoption of UHSS grades (DP980, QP1180, and hot-formed steels with yield strengths exceeding 1200 MPa), straightener design requires larger roll pitch diameters, reinforced backup roll cassettes, and higher roll crush forces to break yield point without structural roll deflection.

Closed-Loop Servo Dynamics

Modern progressive tooling demands absolute feed position repeatability under dynamic press speeds. Utilizing absolute optical encoders with multi-axis EtherCAT/Profinet industrial Ethernet backbones allows sub-millisecond motion correction and feeding accuracy within ±0.03mm.

Digital Twin & Smart Straightening Presets

Next-gen control panels feature integrated recipe management based on mathematical material bending models. Operators input material thickness, width, and tensile strength; the straightener automatically sets hydraulic roll gap and penetration depth via high-precision servo screws.

Sector Engineering

Macro Industry Solutions: Engineered for Demanding Applications

Turnkey coil-to-blank and coil-to-part production architectures tailored to specific sectoral production challenges.

Automotive Stamping

Engineered for high-cadence press lines processing chassis components, structural seat tracks, and body-in-white panels with Class-A surface protection rolls.

White Goods & Appliances

Optimized for rapid changeover across prepainted steel, mirror stainless, and thin aluminum, preventing micro-scratches on refrigerator doors and cabinet shells.

HVAC & Electrical Enclosures

High-efficiency cut-to-length and precision punch-feed lines processing electrical lamination steel and galvanized ductwork stock with minimum scrap allowances.

Heavy Construction Machinery

Robust heavy-gauge lines handling up to 20mm plate thickness for crane booms, yellow goods chassis, and earthmoving structural welded fabrications.

Industry 4.0 Ecosystem

China Factory 4.0: Supply Chain Resilience & Efficiency

Wuxi Jianfa combines deep localized industrial clustering with smart manufacturing architectures to reduce total cost of ownership for international partners.

Yangtze River Delta Industrial Cluster

Situated in Wuxi, Jiangsu, our plant benefits from immediate access to specialized metallurgical steel suppliers, high-precision hydraulic component hubs, and world-class commercial transport corridors radiating from Shanghai's seaport terminals.

Vertical Process Integration

Unlike assembly-only brokers, Jianfa executes heat treatment, deep carburizing, precision CNC boring, induction hardening of straightening rolls, and dynamic electrical system testing entirely within our own corporate perimeter.

Cost-Performance Balance

Achieve Tier-1 European mechanical rigidity and Japanese precision standards at competitive CAPEX. The integration of high-durability 42CrMo and GCr15 roll materials delivers long service life under high tonnage stamping duty.

International Service Delivery

Localized Support & Compliance Assurance

Minimizing commissioning lead time through documented safety frameworks and rapid-response global engineering services.

Global Safety Compliance

Every line is built in full compliance with CE Machinery Directives (2006/42/EC), Low Voltage Directives, and UL/CSA electrical standard adaptations. Dual safety circuits, interlocked guards, and optical light curtains are standard.

Secure IoT Remote Diagnostics

Standard enterprise cloud gateways allow secure, real-time diagnostic visibility. Jianfa controls engineers can monitor drive variables, review fault logs, and deliver firmware optimization overseas, resolving up to 85% of software tuning issues remotely.

Field Commissioning & Parts Availability

Multilingual commissioning engineers provide on-site foundation layout oversight, leveling calibration, electrical integration, and operator training. Critical replacement wear items (straightening rolls, shear blades, bearings) are shipped via express courier channels.

Procurement Engineering

Global Enterprise Procurement: Specification Matrix

Compare operational characteristics across decoiler straightener feeder variants to optimize capital equipment selection.

System Type Material Thickness Yield Strength Range Floor Space Index Primary Industrial Use Case
Separate Line (Decoiler + S-Loop + Feeder) 0.3 – 3.2 mm Up to 450 MPa Large (10 – 18m) High-speed progressive stamping for small electrical contacts and thin appliance parts.
Compact 3-in-1 Feeder System 0.5 – 6.0 mm Up to 800 MPa Compact (4.5 – 6m) Automotive tier-1 structural brackets, seat frames, and medium-gauge hardware stamping.
Heavy-Gauge Uncoiler-Straightener 3-in-1 3.0 – 12.0 mm Up to 1200 MPa (AHSS) Medium (6 – 9m) Heavy truck frame members, chassis brackets, yellow goods, and agricultural implements.
High-Speed Cut-To-Length / Flying Shear 1.0 – 16.0 mm 235 – 650 MPa Continuous (25 – 45m) Steel service center master coil breakdown, blanking prep, and heavy container wall panels.
Frequently Asked Questions

Technical & Operational Inquiries

Direct answers from our engineering desk covering operational tolerances, maintenance schedules, and line configuration.

What parameters are needed to size a Decoiler Straightener Feeder correctly?
To provide an accurate engineering proposal, we require: minimum and maximum coil width (mm), thickness range (mm), max coil outer diameter (OD) and inner diameter (ID), maximum coil weight (metric tons), material grade along with yield/tensile strength (MPa), target feed stroke length, and the required strokes per minute (SPM) of your downstream stamping press.
How does a 3-in-1 decoiler straightener feeder eliminate material looping pits?
Traditional standalone straightener and feeder systems require a deep looped pit between the straightener and the press feeder to store buffer material without tension. Compact 3-in-1 systems combine the uncoiler, straightener, and NC feeder onto a unified, synchronized chassis. The straightener operates intermittently or continuously feeding directly into the tooling via precise servo actuation, cutting factory floor space requirements by 60% to 70%.
Can Wuxi Jianfa lines process high-strength automotive steel (AHSS) without roll damage?
Yes. Our heavy-duty leveling and straightening rolls are forged from premium GCr15 or 42CrMo alloy tool steel, undergoing vacuum tempering, medium-frequency induction quenching, and hard chrome plating to reach a surface hardness of HRC 60–62 with a case depth exceeding 3mm. Supported by heavy-duty multi-row backup bearings, our roll cassettes resist deflection even under extreme plastic deformation forces required for DP980 and QP1180 materials.
How does the straightener control eliminate coil set and cross bow?
Our straighteners utilize an alternating 7, 9, 11, or 17-roll configuration. Entry rolls impart deep plastic deformation beyond the material's yield point to break the initial curvature (coil set). Progressing toward the exit rolls, the bend penetration decreases linearly down to pure elastic recovery, releasing internal rolling stresses and delivering flat, neutral-stress strip into downstream progressive dies or shears.
What international warranties and post-warranty service programs are offered?
Wuxi Jianfa provides a standard 12-month complete mechanical and electrical operational warranty starting from site commissioning sign-off. Post-warranty, we maintain guaranteed spare parts availability with dispatch within 48 hours for common wear components, alongside lifetime remote PLC and telemetry diagnostic support via encrypted industrial VPN gateways.
Direct Line Integration

Explore Our Complete Line Range

Review additional configurations engineered for modern stamping plants, coil distribution hubs, and fabrication service centers worldwide.

High Strength Leveling Machine
Series 01

Precision Flattener

Advanced structural straightening for sheet metals before secondary stamping operations.

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Straightening Machine
Series 02

Continuous Straightener

Engineered for high-volume automated stamping and roll forming lines.

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Moving Shear Line
Series 03

High-Throughput Flying Shear

High linear speeds without line stop requirements for maximum shift tonnage.

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Stainless Processing Line
Series 04

Stainless Leveling & Shearing

Anti-scuffing PU roll assemblies engineered for mirror finish stainless coils.

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Combined Processing Line
Series 05

Integrated Slitting & CTL

Flexible dual-capability processing directly configured on a single machine base.

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Rotary Slitter
Series 06

Rotary Knife Slitting Plant

Micrometer knife positioning providing clean edges with minimal burr formation.

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Slitting & Recoiling
Series 07

Tube Line Feed Slitter

Reliable strip width supply engineered for continuous roll tube mills.

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Automated Shearing Plant
Series 08

Automatic Stack Shear Plant

Fully automated uncoiling, leveling, cutting, and stack offloading system.

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