Primary Coil Processing & Slitting Systems
Engineered to handle ultra-high yield strengths, extreme plate thicknesses, and high line speeds without edge camber or surface marring.
High Strength Leveling Machine
Engineered with multi-roll cassettes to eliminate coil set and internal stress in heavy-gauge high-strength steels up to 1200 MPa yield strength.
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Professional Straightening Machine
Ultra-rigid configuration designed to correct transverse bow, wave edges, and center buckles before high-speed longitudinal slitting processes.
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Hot Rolled Plate Moving Shear Line
Continuous dynamic cutting synchronized with line velocity, ensuring zero stop-mark defects and massive volumetric daily throughput.
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Stainless Steel Processing Line
Specialized protective handling mechanics featuring non-marking urethane coatings, anti-scratch air-cushion conveyors, and robotic drop stackers.
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HR Combined Slit & CTL Line
Hybrid architectural line execution allowing continuous longitudinal slitting followed by flying blank shearing within an optimized footprint.
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Hot Rolled Slitting & Recoiling
Designed for medium-to-heavy gauge steel coils, using heavy double eccentric slitter arbors and responsive tension bridles for tight recoil coils.
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Heavy Duty HR Slitter Line
Optimized for tube mill supply and structural roll-form feeds. Includes dual arbor quick tool-change turntables reducing changeovers to under 5 minutes.
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Continuous Plate Shearing Line
Complete uncoiling, multi-cassette 4-Hi/6-Hi leveling, optical encoder measurement, mechanical/hydraulic shear, and auto-palletizing workflow.
View SpecificationFour Decades of Engineering Excellence: Wuxi Jianfa
Established in the early 1980s, recognized as a National Key Developing Enterprise in China's metallurgical machinery sector.
Vertical Integration & QC
Unlike trading assemblers, Wuxi Jianfa preserves 100% in-house manufacturing oversight. From initial structural welding and stress-relief annealing of welded bodies to ultra-precise five-axis CNC machining of slitter arbors and bearing chocks, every stage is checked with laser tracking.
Delta Industrial Strategic Base
Situated in Xinwu District, Wuxi, Jiangsu Province, our production compound leverages the heavy metallurgy supply ecosystem of the Yangtze River Delta. High-grade metallurgical alloy steels, heat treatments, and port accessibility via Shanghai ensure smooth shipping worldwide.
Metallurgical Innovation Heritage
From the first generation of hydraulic cut-to-length shear lines in China to advanced servo-vector synchronized rotary continuous slitters, our R&D team holds multiple patents in blade clearance compensation and automatic shimless tooling management.
Macro Industry Solutions: Engineering Selection Guide
Selecting the right coil processing line architecture based on metallurgy, operational throughput, and downstream strip specifications.
| Evaluation Parameter | High-Precision HR Slitter Line | Cut to Length (CTL) Line | High-Speed Flying Shear Line |
|---|---|---|---|
| Primary Output | Multiple precision-slit strips rewound into coils | Flat rectangular sheets & plates stacked on skids | High-volume continuous sheared sheets |
| Material Kinematics | Continuous pull-through or driven rotary shear | Intermittent start-stop indexing shearing | Continuous movement; shear matches web speed |
| Mechanical Tolerance | Width: ±0.03 mm to ±0.05 mm (burr < 5% t) | Length: ±0.5 mm / Flatness: ≤ 1.0 mm/m² | Length: ±0.3 mm at line speeds > 80 m/min |
| Target Sectors | Tube/Pipe Mills, Roll Formers, Automotive Stamping | Steel Service Centers, Heavy Structural Fabrication | Appliance Enclosures, High-Volume Mill Centers |
| Scrap Management | Dual edge trim scrap winders / rotary choppers | End trim drop gates & integrated guillotine scrap | Continuous edge-trimming side shears |
Hot-rolled coil slitting presents unique challenges compared to cold-rolled processing. Scale build-up, yield variation across the master coil, and heavy gauge spring-back demand robust machine structures. Wuxi Jianfa HR Slitter lines use ultra-stiff arbor assemblies backed by zero-clearance four-row cylindrical roller bearings and dynamic back-tension regulators to control coil shape and edge straightness across runs up to 25mm thickness.
China Factory 4.0: Supply Chain Resilience & Efficiency
How Jianfa's smart manufacturing infrastructure delivers shorter lead times and reliable machine performance.
Intelligent Industrial Automation
Each Jianfa HR Slitter incorporates a Siemens S7-1500 PLC paired with Sinamics S120 drives and Profinet IO architectures. Closed-loop tension control systems monitor strip tension in real time, preventing slippage, edge distortion, or loose inner wraps on recoiling mandrels.
Supply Chain Cluster Advantages
By producing in Wuxi's metallurgical manufacturing belt, Jianfa procures forged steel blanks, hydraulic valves (Rexroth/Yuken equivalents), and electrical enclosures within a 50 km logistics radius. This vertical consolidation keeps lead times 25-35% shorter than Western competitors.
Rugged Heavy Structural Integrity
All fabricated beds undergo vibrational stress relief or thermal normalizing to ensure permanent alignment under heavy loading. Machine frames use high-grade plate steel to withstand continuous mechanical deflection during multi-cut HR slitting runs.
Global Enterprise Procurement: Critical Engineering Specifications
Engineering parameters required by procurement teams and plant managers when specifying a Jianfa HR Slitter line.
Material Form & Yield
Full metallurgical analysis including Q235, Q355, ASTM A36, Corten, and Strenx equivalent high-yield grades (yield strengths up to 1200 MPa; coil thickness ranges from 1.0mm to 25.0mm).
Coil Weight & Geometry
Accommodating mother coil weights from 15 to 40 metric tons, entry coil widths from 600mm to 2200mm, and arbor configurations suited to inner coil diameters of Φ508mm, Φ610mm, and Φ760mm.
Slit Tolerances & Edges
Slitting width tolerances within ±0.04mm. Reduced burr generation (< 4% strip thickness) through micro-gap screw-down mechanics and hardened alloy tooling.
Speed & Recoil Tension
Processing line speeds up to 150 m/min with variable tensioning options: felt tension drag pads, multi-roll bridle units, pneumatic belt bridles, and push-pull slitting modes.
Compliance, Safety Standards & Field Support
Ensuring compliance with international safety protocols and delivering turnkey installation support worldwide.
CE Machine Safety Directive
Fully compliant with European CE machinery standards (2006/42/EC). Outfitted with safety interlocks, optical perimeter light curtains, fail-safe hydraulic dump valves, and automated dynamic braking.
Overseas Dispatch & Training
Certified mechanical and software commissioning engineers deploy to the buyer's plant. Services cover full alignment, anchor grouting, hydraulic piping purges, PLC networking, and operator training.
Remote IoT Telemetry Diagnostics
On-board industrial VPN routing gateways provide remote system monitoring. Wuxi Jianfa control engineers can run remote diagnostics, evaluate fault logs, and deliver firmware optimization anywhere in the world.
Audited Quality Credentials & Certifications
Technical Roadmap: The Next Generation of HR Slitters
Continuous development toward automated tooling setups, predictive maintenance, and higher energy efficiency.
Robotic Shimless Tooling Systems
Integration of gantry-mounted pick-and-place robotic tooling arms that assemble slitter knives and spacers automatically according to cutting programs, cutting setup time down to under 3 minutes.
AI Acoustic & Vibration Diagnostics
Piezoelectric accelerometers mounted to slitter bearing chocks and gearbox pinions detect high-frequency acoustic waves, flagging blade dulling and bearing wear before quality drops.
Regenerative Common DC Bus Drives
Braking uncoilers and tension bridles feed regenerated kinetic electrical power back into the common DC bus of recoiler drives, dropping total plant energy consumption by up to 28%.
Frequently Asked Questions (Technical & Commercial FAQ)
Key technical and operational questions asked by plant managers and procurement leads.
What coil processing equipment does Wuxi Jianfa manufacture?
We manufacture complete coil processing lines: high-precision slitting lines (rotary shear lines), cut to length lines, flying shear production lines, precision multi-roll leveling machines, plate straightening machines, and galvanizing lines. Equipment can be supplied as complete turnkey lines or individual modular retrofits.
Which materials can your slitting and cut to length lines process?
Our lines process hot-rolled, cold-rolled, pickled and oiled (P&O), galvanized, silicon, stainless steel, and aluminum coils. We build specific configurations for high-strength materials (yield strengths reaching 1200 MPa) and heavy thickness bounds up to 25.0mm.
How do I choose between a slitting line, a CTL line, and a flying shear?
Choose a slitting line when you need master coils cut into multiple narrow strips and recoiled for roll formers, tube mills, or stamping presses. Choose a cut to length line when you require flat sheets stacked on pallets. Choose a flying shear line when continuous high-speed cutting without stop-and-go marks is essential.
What parameters are needed for an engineered technical proposal?
Please share material grade, tensile and yield strengths, strip thickness range (min/max), entry coil width and weight, inner/outer coil diameters, target slitting cuts per cycle, cut-sheet length ranges, preferred line speed (m/min), and plant utility voltages.
Do you provide turnkey installation, commissioning, and training overseas?
Yes. Our field service team assists with foundation design, mechanical installation, electrical piping, wet commissioning, and operator training on site, backed by long-term spare parts supply and remote software diagnostics.
Can buyers inspect equipment and run test material at the factory?
Yes. We welcome buyers and third-party inspectors (SGS, TUV, Bureau Veritas) to inspect machinery, verify tolerances, and witness dry-run and coil tests at our 40,000 m² Wuxi facility prior to export crating.
Complete Equipment Range & Production Offerings
Explore our full selection of leveling, shearing, and slitting equipment engineered for global steel service centers.
High Strength Leveling Machine
Designed with individual backup roll deflection adjustment to produce dead-flat plates from high-tensile coil stocks.
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Professional Straightening Machine
High-torque gear distribution box driving hardened work rolls, relieving stress in heavy plates ahead of secondary processing.
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HR Plate Moving Shear Line
Rack-and-pinion servo acceleration matches strip velocity on the fly, delivering accurate square cuts at high line speeds.
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Stainless Coil CTL Line
Includes protective film applicators, rubber-sleeved transfer tables, and soft drop stackers to preserve mirror finishes.
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HR Combined Slit & Shearing
Dual-function layout configured for service centers handling custom lot orders requiring narrow mults and flat sheets.
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HR Slitting & Recoiling Line
Equipped with dual eccentric arbors, pneumatic tension separators, and an automated push-off arm with turnstile transfer.
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HR Strip Slitting Unit
Designed for heavy structural tube mills, processing strip gauges up to 16mm with automated scrap balling systems.
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HR Uncoil-Level-Shear-Stack
Heavy-gauge sheet leveling paired with mechanical cut-to-length indexing and high-capacity hydraulic scissor lifting tables.
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Consult with Wuxi Jianfa Engineering Specialists
Send your strip thickness, yield strength, and daily target throughput. Our design engineers will prepare a technical layout and equipment proposal within 24 hours.