Product Description
Manufactured at our precision metallurgical equipment base in Jingjiang, our Strip Steering Guide Roller is an electro-hydraulic tracking and position-correction roller unit engineered to maintain central strip alignment across high-speed continuous strip processing lines. Drawing on 26 years of specialized manufacturing experience and serving international steel producers including POSCO, Shagang, and Baowu, we construct each Strip Steering Guide Roller with a swiveling steering cradle, precision pivot bearings, and low-friction hydraulic servo cylinders or linear electric actuators. By monitoring strip position via optical or inductive edge sensors and making real-time angular roll adjustments, this responsive Strip Steering Guide Roller corrects strip wander, eliminates edge trimming damage, and prevents web walk-off through furnaces, pickling tanks, and coating sections, providing cold-strip processors with a dependable web-guiding asset.
Applications
Continuous Galvanizing & Color Coating Lines: Correcting strip tracking at furnace entries, cooling towers, and accumulator exits.
Continuous Pickling Lines: Preventing strip wander in shallow acid baths and rinsing channels.
Continuous Annealing Lines (CAL): Maintaining center-line alignment inside high-temperature vertical furnace loops.
Coil Slitting & Recoiling Lines: Aligning strip edges prior to edge trimmers and recoiler mandrels for uniform coil sidewalls.
Technical Specifications
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Design Standards |
Cold Strip Web Handling Machinery Standards, ISO 9001, JB/T 5000 |
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Guiding Types |
Steering roll unit (swivel frame pivoting on an inclined axis) or displacement roll guide |
|
Strip Width Range |
600 mm to 2,200 mm; Strip thickness: 0.15 mm to 4.0 mm |
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Roll Diameters |
250 mm to 800 mm; Roll barrel lengths up to 2,500 mm |
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Guiding Accuracy |
Centerline deviation controlled within ±1.0 mm (Sensor-dependent) |
|
Line Speed |
Up to 900 m/min |
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Actuation System |
High-frequency electro-hydraulic servo cylinder or precision ball-screw servo motor actuator |
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Roll Surface Treatment |
Chrome plating, rubber/polyurethane lining, or tungsten carbide coating |
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Dynamic Balancing |
ISO 1940 Grade G2.5 |
Customization Capabilities
Sensor Compatibility: Direct electrical and mechanical integration with optical, inductive, or ultrasonic edge-detection systems (e.g., EMG, BST).
Single or Dual Roll Cradles: Customizing single-roll steering frames or two-roll Z-wrap assemblies based on allowable wrap angle and line tension.
Specialized Roll Metallurgy: Rubber/polyurethane covers for wet pickling lines, or heat-resistant alloy barrels for annealing furnace exits.
Compact Modular Footprints: Self-contained skid packages incorporating the pivot base, steering cradle, servo manifold, and feedback LVDT sensors.
Zero MOQ Restriction: Custom engineered for individual positioner replacements or complete processing-line packages.
Quality Control
Manufacturing Accreditations: ISO 9001:2015, ISO 14001:2015, and ISO 3834-2 welding quality management.
Full Process QR Code Traceability: Every forged roll body, pivot spherical bearing, servo cylinder, and structural bracket carries an individual QR code linked to certified inspection records.
Pivot Kinematics & Alignment Verification: Factory testing verifies pivot geometric accuracy, cylinder stroke repeatability, and zero bearing backlash.
Dynamic Balancing & Runout Checks: 100% dynamic balancing and radial runout testing (within 0.03 mm) across the full roll face.
Heavy Ocean Packaging: Protective grease, roll barrel cushioning, structural skid bolting, and vacuum barrier packing.
FAQ
Q: How does a steering roll correct strip tracking without wrinkling light-gauge strip?
A: The steering roll swivels about an inclined instantaneous center of rotation that combines tilt with axial displacement. This changes the angle of entry while balancing lateral friction forces, guiding the strip smoothly back to center without causing edge stretching or diagonal wrinkling.
Q: What is the typical production lead time for a steering guide roller unit?
A: Manufacturing and shop testing typically take 3 to 4 months from drawing sign-off to factory dispatch.
Q: What warranty coverage do you provide?
A: We provide an 18-month warranty from site arrival or 12 months from commercial operation (whichever comes first).
Q: What payment terms are accepted?
A: Standard commercial terms are 30% advance deposit, 40% manufacturing milestone payment, and 30% balance prior to export shipment, payable in USD, EUR, or RMB.
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