Factory-direct high-performance cut to length lines and slitting configurations fully compliant with European CE machinery standards, tailored to the high-yield structural and surface-critical demands of the Marmara manufacturing belt.
Engineered for heavy-gauge carbon steel & galvanized coils with precision 4-Hi/6-Hi cassette levelers and automated hydraulic shearing.
Designed specifically for S355 and S700MC high-strength steel plate processing across Tuzla and Gebze shipbuilding & chassis plants.
CNC rotary head slitter providing ultra-low burr tolerances for tube manufacturing, roll-forming lines, and automotive stamping presses.
Synchronized servo rotary flying shear eliminating start-stop cycles. Designed for maximum sheet production volume without surface scratching.
An executive engineering assessment of Turkish metal processing trends, port throughput, and downstream quality expectations.
The Marmara region, centered around Istanbul and spanning the industrial corridors of Kocaeli (Gebze, Dilovası), Bursa, Tekirdağ (Çorlu, Çerkezköy), and Sakarya, constitutes the epicenter of the Republic of Türkiye's steel consumption and secondary manufacturing. Accounting for over 65% of national metal processing and vehicle assembly, this transcontinental crossroads demands high-capacity cut-to-length (CTL) equipment capable of handling stringent automotive sheet standards, heavy structural steel fabrication, and expansive white goods manufacturing.
Facilities across Bursa and Kocaeli process Advanced High-Strength Steels (AHSS) and Dual-Phase (DP600/DP800) coils. Flattening these substrates requires leveling machines with high plastic strain deformation and backed backup-roll nests to eliminate residual stress that would otherwise cause springback during deep stamping.
Dilovası, Tuzla, and İkitelli metal distributors operate in high-turnaround, multi-client models. Their CTL lines require rapid cassette roll changeover (under 15 minutes) to switch from 1.2 mm prepainted architectural steel to 12 mm hot-rolled S275JR plate without edge-wave or coil-break marks.
Coil delivery through the Port of Ambarlı and the Gulf of İzmit (Evyapport, Yılport) means Istanbul service centers handle imported and domestic hot/cold-rolled coils exposed to maritime humidity. Integrated descaling brush units and edge-trimming scrap winders are essential upstream configurations.
A granular comparison of leveling roll physics, shear cycle kinematics, and downstream stacking automations for plant directors.
| Technical Parameters | Light-Gauge Flying Shear CTL | Medium Universal Servo CTL | Heavy-Plate Stop-Go Hydraulic CTL |
|---|---|---|---|
| Target Substrate | Cold-Rolled, Galvanized, Aluzinc, SS304 | HRPO, Mild Carbon, S355JR, Aluminum | Heavy Plate, S700MC, Hardox, Pressure Vessel |
| Thickness Range | 0.3 mm – 3.0 mm | 1.5 mm – 8.0 mm | 4.0 mm – 20.0 mm |
| Leveler Configuration | 6-Hi Cassette (19-23 rolls, Ø40-Ø55mm) | 4-Hi / 6-Hi Universal (15-19 rolls, Ø70-Ø95mm) | 4-Hi Heavy-Duty (9-13 rolls, Ø140-Ø210mm) |
| Yield Strength Handling | Up to 450 MPa | Up to 700 MPa | Up to 960 MPa |
| Shear Mechanism | Synchronized Rotary / Crank Flying Shear | Hydraulic Swing Beam / Fast Mechanical | Heavy-Duty Down-Cut Hydraulic Guillotine |
| Length Tolerance | ±0.25 mm at 80 m/min | ±0.50 mm at 45 m/min | ±1.00 mm at 25 m/min |
| Stacker Type | Air-Cushion Flotation / Vacuum Drop | Bomb-Bay Drop / Drop Arm Magnet | Heavy Roller Table / Scissor Hydraulic Lift |
| Drive & Automation | Full Siemens S7-1500 + Sinamics S120 | Siemens / Inovance Motion Controller | Integrated Hydraulic Proportional Valves |
The core challenge of leveling high-strength coil in Istanbul plants lies in symmetrical internal stress redistribution. Jianfa integrates high-rigidity intermediate rolls between work rolls and backup rolls in our 6-Hi levelers. This design prevents backup roll shadow lines on sensitive bright annealed (BA) stainless steel or mirror aluminum sheet. The motorized tilting wedge system allows independent servo-screwdown adjustments for front-to-back immersion and cross-sectional crowning, counteracting central buckle, quarter buckle, and edge wave in real-time.
Traditional start-stop cut to length lines decelerate and clamp the strip for each cut, introducing bottleneck dwell times and potential roll slippage marks on delicate coil surfaces. Jianfa's continuous flying shear production lines employ high-inertia servo kinematics to synchronize blade velocity with strip speed. Cutting occurs dynamically within milliseconds. The result is a cycle speed reaching up to 120 cuts per minute with zero surface abrasion, maximizing ton-per-hour efficiency for high-volume Istanbul service centers.
Factory-direct engineering, proprietary component machining, and direct sea-freight access from Wuxi to Istanbul’s deepwater ports.
Turnkey commissioning protocols, European standard electrical architectures, and responsive spare parts logistics across the Marmara region.
All cut-to-length lines destined for Istanbul comply with European Machinery Directive 2006/42/EC, Low Voltage Directive 2014/35/EU, and Electromagnetic Compatibility 2014/30/EU. Integrated perimeter safety light curtains, interlocking enclosure gates, and dual-channel safety relays meet Turkish Labor Ministry inspections effortlessly.
Intuitive operator consoles programmed in Turkish and English with dynamic recipe storage for over 500 coil configurations. Built-in industrial VPN routers allow Wuxi electrical engineering specialists to perform remote logic audits, servo parameter tuning, and troubleshooting within minutes of a request.
Jianfa provides complete installation, commissioning, and training on-site at your facility in Gebze, Çorlu, or Tuzla. We supply standardized high-wear spares (Cr12MoV shear blades, backup bearings, hydraulic seal kits) along with the initial machine shipment to secure continuous production.
Advancing sheet planarity through machine-learning thickness compensation and real-time stress feedback.
As Istanbul metal centers transition towards fully automated smart manufacturing, coil quality variability remains a major challenge. Coils from different international origins often display inconsistent yield strength along their strip length. Jianfa's technical roadmap addresses this through advanced digital closed-loop architectures:
In-line laser triangulators positioned after the leveling cassette scan sheet flatness across hundreds of points per millisecond. When edge wave or center buckle exceeds predetermined I-unit tolerances, the system dynamically communicates with servo-actuated backup wedges to adjust work roll bend profiles on the fly.
Heavy uncoiler braking and high-frequency shearing generate significant kinetic and regenerative electrical energy. Jianfa incorporates common DC bus architectures with regenerative active front-end (AFE) drive units, feeding captured deceleration energy directly back into plant electrical grids and slashing net kilowatt consumption per processed ton.
Direct answers to core mechanical, electrical, logistical, and warranty considerations.
Explore our field-tested line architectures built with 40+ years of manufacturing expertise. Every machine is available with localized customization for Istanbul clients.
Multi-roll leveling configured to eradicate coil set, crossbow, and edge wave in heavy-gauge high-yield steel.
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Precision straightening delivering completely stress-relieved sheets ahead of automated laser cutting or deep drawing.
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Synchronized traveling shear head cuts heavy plate on the fly, eliminating start-stop delays for high plant throughput.
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Scratch-free leveling and automatic film application designed for architectural SS304/SS316 sheet suppliers in Marmara.
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Space-efficient dual-function machine that performs slitting and cross-cutting within a single automated floor footprint.
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Heavy-duty rotary slitter line engineered for reliable slit strip supply into ERW pipe mills and structural roll formers.
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Fast changeover slitting system with dual recoiling mandrels, precision tension stands, and scrap winders.
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Complete heavy plate CTL line incorporating hydraulic coil car, 4-Hi leveler, hydraulic shear, and auto scissor-lift stacking.
View Line DetailsShare your coil specifications, yield requirements, and target sheet output. Our senior mechanical engineering team will deliver a customized technical proposal and floor layout blueprint within 24 hours.
