Project Overview
Wadjay SSL-1250HD automatic steel coil slitting line processes 500–1600mm wide, 0.3–4.0mm thick coils at 50 m/min. Dual-arbor quick change, 15-ton hydraulic decoiler, hydraulic tension, PLC touchscreen. CE/ISO. Get quote.
Automatic Steel Coil Slitting Line SSL-1250HD — Heavy Duty Metal Slitter Machine for High-Volume Coil Processing
Why Choose the SSL-1250HD Automatic Steel Coil Slitting Line?
An automatic steel coil slitting line is the productivity powerhouse for metal service centers, automotive stamping plants, steel pipe mills, and HVAC hardware manufacturers that need to transform wide hot-rolled, cold-rolled, stainless steel, galvanized iron (GI), and aluminum coils into precise, custom-width narrow strips with exceptional dimensional accuracy .
The Wadjay SSL-1250HD heavy duty metal slitter machine is purpose-built for exactly that. It integrates hydraulic decoiling, multi-blade precision slitting, and automated recoil tensioning into a single continuous production line, handling master coils up to 15 tons with a line speed of up to 50 meters per minute . Every machine is CE/ISO certified and features a centralized PLC touchscreen control station for programmable batch setup and multi-language operation.

Key Technical Specifications
| Parameter | SSL-1250HD Specification |
|---|---|
| Model | SSL-1250HD |
| Processing Width | 500 – 1600 mm |
| Material Thickness | 0.3 – 4.0 mm |
| Material Types | Hot-rolled steel, Cold-rolled steel, Stainless steel, Galvanized iron (GI), Aluminum |
| Line Speed | 0 – 50 m/min |
| Total Machine Weight | 12,000 kg |
| Motor Power | 30 – 55 kW (speed-matched heavy-duty configuration) |
| Operation Voltage | 220V / 380V / 440V Three-Phase (customizable) |
| Max. Coil Weight | 15 Tons |
| Decoiler | Heavy-duty hydraulic expansion pay-off reel with coil car |
| Slitting System | Dual-arbor head with high-carbon tool steel rotary gang blades |
| Edge Scrap Handling | Synchronized automatic scrap rewinder (dual side winders) |
| Tension System | Hydraulic tension station with multi-stage tension pads & separator discs |
| Control System | Smart PLC touchscreen station with multi-language controls & automated length counting |
| Cutting Quality | Multi-strip parallel cutting with zero burrs |
| Certification | CE / ISO |
| Options | Hydraulic coil loading/unloading cars; Extra hardened rotary slitting knives & rubber spacer rings; Custom electrical voltage transformers (220V/415V/440V at 50Hz/60Hz) |

How the SSL-1250HD Slitting Line Works
The Wadjay automatic steel coil slitting line executes a fully synchronized 5-stage continuous production cycle :
- Hydraulic Decoiling — heavy-duty hydraulic expansion pay-off reel with integrated coil car handles master coils up to 15 tons smoothly without material distortion
- Precision Slitting — dual-arbor head equipped with high-carbon tool steel rotary gang blades performs multi-strip parallel cutting with zero burrs
- Scrap Discharge — synchronized automatic scrap rewinders on both sides immediately gather trimmed edge waste during high-speed operation
- Hydraulic Tensioning — multi-stage tension pads and separator discs ensure uniform coil tightness across all slit strips during high-volume recoiling
- Automated Batch Tracking — smart PLC touchscreen with built-in high-precision encoder measures coil feed length continuously, executing automated stop triggers and quantity tracking
The entire process is orchestrated by the centralized PLC computer platform, allowing operators to program batch setup, switch between multi-language controls, and monitor production in real-time.

Application Scenarios
The SSL-1250HD automatic steel coil slitting line serves a wide spectrum of heavy sheet metal manufacturing sectors :
- 🏭 Steel coil service centers — converting wide master coils into custom-width narrow strips for inventory diversification and just-in-time delivery
- ⚙️ ERW pipe & tube mills — rapidly converting wide raw coils into exact band widths needed for high-frequency resistance welding pipe manufacturing
- 🚗 Automotive component manufacturers — relying on dynamic tensioning units to process high-tensile steel sheets without surface scratches or edge bow deformation
- 🏠 HVAC hardware manufacturers — producing precise strips for flange, ductwork, and fittings fabrication
- ⚡ Electrical equipment & transformer production — smooth rotary arbor assembly for slitting polished copper foils, silicon steel, and pre-painted steel sheets
- 📺 Home appliance fabricators — benefiting from burr-free precision slitting of pre-painted steel and stainless steel for appliance panels and internal components
- 🏢 Metal stamping plants — high-volume narrow strip preparation for progressive dies and transfer presses
By integrating line speeds up to 50 m/min, dynamic hydraulic scrap tensioners, and quick-change cutter arbor setups, this automatic steel coil slitting system drastically minimizes downtime during batch switching while boosting overall workshop productivity .

Why Wadjay’s SSL-1250HD Stands Out
- True heavy-duty configuration — 12,000kg total machine weight, 30–55kW speed-matched motor drive, 15-ton hydraulic decoiler capacity
- Dual-arbor quick change head — pre-set blades on secondary arbor while line runs, cutting changeover time by 70%
- Zero-burr multi-strip cutting — high-carbon tool steel rotary gang blades deliver clean parallel cuts in a single pass
- Synchronized scrap management — dual side winders automatically pull and pack trimmed edge scrap as the main coil feeds
- Uniform recoil tension — hydraulic tension station with multi-pad tension stand maintains uniform tightness across all slit coils without material slippage
- Smart PLC automation — centralized touchscreen with multi-language controls, programmable batch setup, and automated encoder-based length counting
- Multi-material versatility — processes hot-rolled, cold-rolled, stainless steel, galvanized iron, and aluminum coils in 0.3–4.0mm thickness range
- Global voltage ready — 220V/380V/440V three-phase standard, customizable to 220V/415V/440V at 50Hz/60Hz
- CE/ISO certified — compliant with international export standards
- Modular options — hydraulic coil loading/unloading cars, extra hardened rotary slitting knives, rubber spacer rings, and custom electrical transformers

Frequently Asked Questions
Q1: What coil widths and thicknesses can the SSL-1250HD process?
A: The machine handles 500–1600mm width and 0.3–4.0mm thickness, suitable for hot-rolled steel, cold-rolled steel, stainless steel, galvanized iron (GI), and aluminum coils . For reference, industry-standard 1600mm slitting lines in this thickness range typically operate at speeds up to 150 m/min ; the SSL-1250HD is configured for 0–50 m/min with a focus on heavy-duty continuous operation and rapid changeover.
Q2: How much coil weight can the decoiler handle?
A: The heavy-duty hydraulic expansion pay-off reel handles master coils up to 15 tons smoothly without material distortion . For comparison, industry 1600mm lines typically handle 20–30 ton coils ; the SSL-1250HD’s 15-ton capacity is optimized for service-center-scale operations.
Q3: How fast is the slitting line?
A: Line speed is 0–50 m/min, controlled by a 30–55kW speed-matched heavy-duty motor configuration . The dual-arbor quick change head allows pre-setting cutter blades on a secondary arbor while the line runs, cutting tool changeover times by 70% .
Q4: How many strips can be produced simultaneously?
A: The dual-arbor head uses high-carbon tool steel rotary gang blades for multi-strip parallel cutting . The exact strip count depends on material thickness — as a reference, industry 1600mm lines in the 0.3–4.0mm range typically produce 6–30 strips depending on gauge . Contact our engineering team with your specific strip width requirements for a customized configuration.
Q5: How clean are the cut edges?
A: The high-carbon tool steel rotary gang blades deliver multi-strip parallel cutting with zero burrs . The hydraulic tension station with multi-stage tension pads ensures uniform coil tightness, preventing edge bow deformation during recoiling.
Q6: Can the voltage be customized for my country?
A: Yes. Standard operation voltage is 220V/380V/440V three-phase, with custom electrical voltage transformers available for 220V/415V/440V at 50Hz/60Hz . The smart PLC touchscreen supports multi-language controls for global operation.
Q7: What safety and automation features are included?
A: The machine features a smart PLC touchscreen station with programmable batch setup, multi-language controls, and automated length counting via built-in high-precision encoder . Synchronized automatic scrap rewinders on both sides maintain clean, continuous operation. The entire line is CE/ISO certified.
Q8: What upgrade options are available?
A: Optional add-ons include:
- Hydraulic coil loading & unloading cars
- Extra sets of hardened rotary slitting knives and rubber spacer rings
- Custom electrical voltage transformers (220V/415V/440V at 50Hz/60Hz)
