Leveling Systems
High Strength Leveling Machine
Engineered for thick, high-yield plate processing. Eliminates internal material stresses, edge-waves, and coil breaks efficiently.
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Primary Line Solutions
High-Performance Slitter & Rewinder Machinery
Engineered to deliver tight tolerance, minimal burr, and high throughput across hot-rolled, cold-rolled, galvanized, and stainless steel master coils.
Straightening Tech
Professional Straightening Machine
Heavy-duty roll configurations for rapid cross-section straightening, ensuring precise dimensional tolerance prior to secondary processing.
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Moving Shear Lines
Hot Rolled Plate Moving Shear Line
High-speed dynamic shear technology engineered to track moving steel strip synchronously, maximizing volume output without line deceleration.
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Surface-Critical Line
Stainless Steel Cut-To-Length Line
Zero-mar uncoiling, fine leveling, non-marking hydraulic shearing, and automatic aerodynamic stacking for 2B, BA, and mirror finishes.
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Hybrid Line
Combined Slitting & CTL Production Line
Integrates longitudinal slitting with high-precision transversal cut-to-length. Reduces factory footprint and cuts material transfer cycles.
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Slitter Rewinder
Heavy HR Coil Slitter & Rewinder Line
Rotary arbor slitting system equipped with dual-head quick changeover, hydraulic loop tension control, and tight multi-strand recoil mandrels.
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High-Volume Slitting
Automated HR Recoiling Production Line
Designed for heavy strip delivery to tube mills and roll-forming sectors, featuring automated edge trimming and scrap-balling modules.
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Stacking Line
Heavy Sheet CTL & Stacking System
Complete coil-to-pallet automation. Multi-roll precision leveler, robust stop-action hydraulic shear, and auto packaging conveyer units.
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Industrial Leadership & Engineering
Engineering Dominance in China’s Slitter & Rewinder Manufacturing
Wuxi Jianfa Machine-Building Co., Ltd. has stood at the core of metallurgical machinery innovations since the early 1980s, driving global coil conversion standards.
Vertical Integration & Precision
Unlike sourcing intermediaries, our 40,000 m² modern production facility features in-house heavy CNC boring mills, gear-grinding machinery, arbor hardening furnaces, and dynamic balancing testers. Every critical slitter head arbor and recoiler drum is fabricated under strict ISO 9001 protocols to secure minimal runout (≤ 0.005mm).
High-Yield Strength Adaptability
Global demand has shifted sharply toward Advanced High-Strength Steels (AHSS) such as DP980, DP1180, and silicon electrical steel. Our high-rigidity slitter arbors and customized hydraulic tensioning units are engineered to absorb peak cutting shock loads without arbor deflection, preserving tool sharpness and ensuring strip shape integrity.
Intelligent Automation Architecture
Modern slitter rewinder lines manufactured at Jianfa incorporate advanced Siemens or Mitsubishi PLC systems, EtherCAT fieldbus architecture, and closed-loop hydraulic tension controls. This provides automated strip width positioning, digital blade clearance adjustment, line-speed monitoring, and real-time remote diagnostics.
40+
Years of Manufacturing Experience
40,000m²
Heavy Machining Factory Base
45M RMB
Corporate Registered Capital
30+
Global Export Destinations
Engineering Matrix
Macro Industry Solutions & Process Differentiation
A structured technical comparison to assist steel service centers, automotive stamping facilities, and tube manufacturers in selecting optimal line configurations.
| Evaluation Parameter | High-Precision Slitter & Rewinder Line | Conventional Cut-To-Length Line | Synchronous Flying Shear Line |
|---|---|---|---|
| Target Output Profile | Multiple precision-slit narrow coils wound tightly on recoil mandrels. | Flat, de-stressed rectangular sheets/plates stacked precisely on pallets. | Ultra-high-volume precision sheets sheared dynamically at high velocity. |
| Line Speed & Dynamic Flow | Continuous high-speed web tension control (up to 150 - 250 m/min). | Start-stop intermittent shearing motion (typically 30 - 80 m/min). | Continuous uninterrupted strip feeding with flying shear sync (up to 100+ m/min). |
| Primary Industries | Automotive chassis, ERW pipe/tube mills, cold roll forming, transformer core lamination. | Heavy plate fabrication, shipbuilding, metal enclosures, construction panels. | Appliance outer panels, automotive white body components, contract service centers. |
| Critical Technical Focus | Arbor deflection control, shim precision, burr height ≤ 3% thickness, tension pad regulation. | Inter-roller penetration, 4-Hi / 6-Hi leveling cassette stiffness, squareness tolerance. | Servo tracking accuracy, cutting knife synchronization, flying acceleration profile. |
| Applicable Thickness Band | 0.2 mm to 16.0 mm (Thin gauge aluminum/copper up to heavy structural HR plate). | 0.5 mm up to 25.0 mm heavy-gauge plate. | 0.3 mm up to 6.0 mm medium/thin sheet stock. |
Local Application Scenarios Across China
Within key domestic industrial hubs—from the Yangtze River Delta automotive cluster in Jiangsu/Zhejiang to the heavy fabrication corridors of Hebei and Shandong—slitter rewinder systems must accommodate 24/7 continuous operation. Lines configured with dual-head quick cutter changers enable changeovers in under 8 minutes, dramatically improving overall equipment effectiveness (OEE).
International Procurement Dynamics
Global EPC contractors and international steel service center operators demand robust factory-direct verification. International sourcing metrics require complete adherence to CE machinery directives, ISO conformity, localized HMI language support, robust international sea freight packaging, and available overseas on-site commissioning teams.
Technical Clarifications
Frequently Asked Technical & Sourcing Questions
In-depth responses compiled by Wuxi Jianfa's Chief Technical Engineers to address core buyer procurement checkpoints.
How do you resolve winding edge misalignment and camber on high-strength thin gauge slit coils?
Edge stagger and camber typically arise from uneven master coil stress, improper arbor knife alignment, or fluctuating recoil strip tension. Wuxi Jianfa lines integrate a hydraulic loop pit with precision drag tension stands (belt-bridle or pneumatic felt pads) and laser edge guide sensors (EPC), maintaining recoil face alignment within ±0.5 mm even at 200 m/min.
What metallurgical data is strictly required before issuing a formal technical proposal?
To accurately compute motor power, arbor diameter, and gear torque, we require: strip material grade, yield strength (σs in MPa), tensile strength (σb), coil thickness range (min-max mm), mother coil entry width, maximum coil weight, required slit cuts per thickness band, target line speed, and factory power specifications (e.g., 380V/480V 3-phase).
How does Wuxi Jianfa preserve surface integrity when processing mirror-grade stainless or pre-painted sheet?
For surface-critical processing, our lines incorporate rubber-coated feeding rolls, polyurethane protective sleeves on de-coiler and re-coiler mandrels, non-contact optical inspection stations, and automatic PVC/PE film applicators to prevent gouges, roll marks, or scratch defects across the entire throughput cycle.
What is your global commissioning protocol and warranty fulfillment framework?
We provide full turnkey overseas deployment. A dedicated squad of electrical and mechanical installation engineers is deployed to your plant for foundation positioning, hardware integration, cold/hot commissioning runs, and operator calibration training. Our equipment carries a standard 12-month mechanical warranty backed by lifetime remote PLC telemetry support.
Factory Equipment Directory
Verified Machine Catalog References
Original factory registry of standard equipment lines and direct procurement URLs.
Industrial Product Portfolio
Comprehensive Metallurgical Automation Systems
Explore our heavy-duty coil uncoiling, slitting, rotary shearing, and stacking equipment lines built for rigorous plant environments.
Coil Preparation
High Strength Leveling Machine
Heavy-gauge leveler engineered with reinforced backing bearings to eliminate cross-bow and coil memory from thick steel plates.
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Precision Straighteners
Professional Straightening Machine
Multi-roll configurations delivering superior structural flatness, serving cold forming roll mills and high-speed punching presses.
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High-Velocity Shearing
Hot Rolled Plate Moving Shear Line
Cuts strip continuously without stopping feed rollers. Delivers smooth cutting edges, tight length tolerance, and superior production yields.
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Critical Surface Lines
Stainless Steel Cut-To-Length Line
High-precision leveling and protective-film lamination for premium stainless, titanium, and aluminum surface finishes.
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Custom Integrated Systems
Slitting & CTL Production Line
Unified dual-purpose architecture capable of slitting coils into narrow bands and shearing them into sheets simultaneously.
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Slitter Rewinder Systems
HR Sheet Slitting & Recoiling Line
High-rigidity slitter arbors and responsive tensioning stations for processing hot-rolled coils into neatly wound slit baby coils.
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High-Output Slitters
Heavy Strip HR Slitting Line
Designed for continuous duty cycles, providing high reliability for pipe manufacturing plants and heavy machinery fabricators.
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Heavy Plate Lines
Hot Rolled Sheet Stacking Line
Heavy-gauge leveler and precision cutting shear equipped with automated magnetic and air-cushioned sheet stackers.
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