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Steel coil processing is the foundation of modern manufacturing. To transform wide steel coils into smaller, usable widths, industries rely on the steel slitting machine — a precision-engineered line designed for accuracy, speed, and efficiency.
Shijiazhuang Faith Machinery Co., Ltd., one of China’s professional steel slitting machine manufacturers, provides complete coil slitting solutions for hot rolled steel, cold rolled steel, stainless steel, and galvanized steel coils. With decades of experience and advanced engineering, Faith Machinery ensures your production line runs smoothly, efficiently, and with the highest precision.
A steel slitting machine is an automated production system that takes a wide steel coil, passes it through rotary knives, and divides it into several narrower coils — each with uniform width and smooth edges. These slit coils are then rewound for use in further processes such as tube making, roll forming, stamping, and welding.
Unlike cut to length lines, which cut sheets to specific lengths, slitting lines specialize in width division — optimizing material for efficient downstream production.
The steel slitting process involves precision coordination between several mechanical and electrical systems.
Uncoiling – The steel coil is placed on a hydraulic uncoiler and fed into the line.
Leveling & Guiding – The material passes through pinch rolls and guides for smooth feeding.
Slitting – Rotary knives mounted on arbors slit the steel into narrow strips.
Tension Control – Ensures consistent pressure and prevents stretching or telescoping.
Recoiling – Each strip is rewound into compact, high-quality coils.
Strapping & Discharge – Finished coils are automatically strapped and unloaded for delivery.
Each stage is precisely synchronized to maintain high cutting accuracy and edge quality, even at speeds exceeding 150 m/min.
| Component | Description | Key Feature |
|---|---|---|
| Uncoiler | Holds and feeds the master coil | Hydraulic expansion, 35-ton capacity |
| Leveler & Feeder | Straightens coil and feeds material to knives | Servo-driven for high precision |
| Slitting Head | Cuts the coil into strips | Rotary knives with micrometric adjustment |
| Tension Stand | Maintains uniform tension | Pneumatic brake and pressure sensors |
| Recoiler | Rewinds slit strips into new coils | Motor-driven recoiling system |
| Scrap Winder | Collects edge trims | Automatic trimming and rewinding |
| Electrical Cabinet | Controls the entire line | Siemens PLC + touchscreen interface |
| Parameter | Specification |
|---|---|
| Material | Hot Rolled Steel, Cold Rolled Steel, Galvanized Steel, Stainless Steel |
| Coil Width | 500–2000 mm |
| Coil Thickness | 0.3–6.0 mm |
| Coil Weight | Up to 35 Tons |
| Line Speed | 60–200 m/min |
| Knife Shaft Diameter | 200–260 mm |
| Slitting Accuracy | ±0.1 mm |
| Recoiler ID | 508 / 610 mm |
| Power Supply | 380V / 50Hz / 3Phase |
All systems can be customized based on coil properties and production requirements.
Faith Machinery uses CNC-ground alloy steel blades and hydraulic knife positioning systems for precise and consistent slitting, ensuring edge smoothness and uniform width tolerance.
The machine processes hot rolled steel, cold rolled steel, stainless steel, pre-painted steel, and galvanized sheets, making it versatile for multiple industries.
Equipped with pneumatic braking and automatic feedback systems, the line maintains perfect tension balance across all strips to prevent edge curl and coil misalignment.
Each line is built with heavy-duty steel frames, machined rollers, and anti-vibration mounts, ensuring long-term operational stability even under continuous high-speed workloads.
Using Siemens PLC, touchscreen interface, and automatic memory systems, the line ensures consistent operation, quick setup, and reduced manual intervention.
Precision cutting tools and optimized feed paths minimize edge burrs and material wastage — improving yield and cost efficiency.
| Type | Thickness Range | Suitable Material | Application |
|---|---|---|---|
| Light Gauge Slitting Line | 0.2–2.0 mm | Cold-rolled, coated steel | Home appliances, electronics |
| Medium Gauge Slitting Line | 2.0–4.0 mm | Hot-rolled, galvanized steel | Construction, automotive |
| Heavy Gauge Slitting Line | 4.0–6.0 mm | Structural steel, stainless | Industrial fabrication, shipbuilding |
| Narrow Width Slitting Line | 0.3–1.0 mm | Thin stainless steel, copper | Tube manufacturing |
| High-Speed Precision Line | 0.3–3.0 mm | CR/HR coils | Steel service centers |
Faith Machinery’s steel slitting machines are designed to meet the diverse needs of industrial production lines, serving a wide range of industries:
Steel Service Centers – Coil distribution and resale operations.
Automotive Industry – Production of frames, body panels, and reinforcements.
Construction – Roofing, wall panels, and purlins.
Home Appliances – Refrigerator panels, washing machine parts.
Electrical & Electronics – Transformer laminations and casings.
Pipe & Tube Manufacturers – Strip preparation for welding and forming.
The slitting head is the heart of every steel slitting machine. Its precision determines both the accuracy and edge quality of the output coils.
Knife Setup: Faith Machinery uses hydraulic knife locking and quick-change systems, allowing fast tool setup and minimal downtime.
Blade Material: Knives are made of SKD11, H13, or tungsten carbide, depending on the material hardness.
Edge Control: Dual tension stands and loop pits maintain coil alignment, preventing telescoping and edge burr formation.
This ensures every strip meets the highest surface and dimensional standards.
The automation system integrates all modules into a single control platform for smart, efficient operation.
Key control features include:
Real-time speed synchronization between uncoiler, slitter, and recoiler
Tension feedback monitoring
Automatic coil edge guiding
Fault alarm and diagnostic interface
Data memory for multiple coil sizes
This enables operators to manage high-speed production with consistent performance and safety.
Shijiazhuang Faith Machinery Co., Ltd. combines over 20 years of coil processing experience with modern design and engineering capabilities.
Advanced production facilities with CNC machining and laser cutting
ISO9001-certified quality system
In-house R&D for customized slitting line development
Exports to over 40 countries including Europe, Southeast Asia, and the Middle East
Full-service technical support from design to after-sales maintenance
Faith Machinery stands as a trusted supplier of reliable and affordable slitting lines in the global steel processing industry.
Faith Machinery provides a complete solution package that covers every stage of your project:
Consulting & Layout Design – Based on coil specifications and plant layout
Manufacturing & Testing – Each line is fully tested before shipment
Installation & Commissioning – Professional engineers available worldwide
Operator Training – Comprehensive training for safe, efficient operation
After-Sales Service – Spare parts, technical support, and remote diagnostics
We handle hot rolled, cold rolled, stainless, galvanized, and pre-painted steel coils.
Yes. Coil width, thickness, speed, and knife configurations are all customizable.
Depending on configuration, up to 200 meters per minute.
Yes. Our engineers provide on-site installation, commissioning, and training worldwide.
A standard one-year warranty and lifelong technical support are included.
Typical slitting tolerance is ±0.1 mm, ensuring precise, consistent results.
As global manufacturing demands shift toward precision steel processing and smart automation, the steel slitting line market continues to grow.
Faith Machinery integrates intelligent control systems, energy-saving drives, and quick setup mechanisms — aligning with Industry 4.0 trends. Its equipment meets modern expectations for efficiency, data control, and product quality, making it a strong competitor among China’s slitting line suppliers.
The steel slitting machine is a key asset in every steel service or fabrication plant. It ensures high productivity, precision width control, and material consistency — all critical for today’s manufacturing demands.
By choosing Shijiazhuang Faith Machinery Co., Ltd., you gain not just a machine, but a complete, reliable coil processing solution engineered for performance and durability. With proven quality, advanced automation, and professional service, Faith Machinery continues to lead in steel slitting line technology both in China and globally.
Contact Information
Shijiazhuang Faith Machinery Co., Ltd.
Tel: +86 15350593960
Email: crystal@faith-machinery.com
Address: Shijiazhuang, Hebei, China
High-quality steel slitting machine from Shijiazhuang Faith Machinery Co., Ltd. — engineered for precision, durability, and efficiency. Suitable for hot rolled, cold rolled, and stainless steel coil processing.
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