Wadjay 1250mm electric sheet metal slitter machine cuts aluminum, copper, GI & PPGI coil 0.4-1.5mm at 0-25 m/min. 5 pairs high-carbon rotary blades, 2.2kW, 680kg frame. Factory direct price. Get quote.
1250mm Sheet Metal Slitter Machine — Compact Electric Slitting Line for GI, PPGI, Aluminum & Copper Coil
Why Choose a 1250mm Sheet Metal Slitter Machine?
A sheet metal slitter machine is the productivity multiplier for any HVAC ductwork fabricator, roofing contractor, electrical transformer strip producer, or metal service center that needs to convert wide master coils into precise narrow strips — quickly, cleanly, and with minimal material waste.
The Wadjay 1250mm electric sheet metal slitter machine is engineered for exactly that. It handles aluminum, copper, galvanized iron (GI), and pre-painted steel (PPGI) coils in the 0.4–1.5mm thickness range at variable speeds up to 25 meters per minute. Five pairs of hardened high-carbon rotary blades execute clean, parallel cuts without burrs or edge burring, while synchronized anti-scratch feed rollers preserve the surface finish of delicate copper and pre-painted aluminum.

Key Technical Specifications
| Parameter | Wadjay 1250mm Sheet Metal Slitter |
|---|---|
| Max. Coil Width | 1250 mm |
| Material Thickness | 0.4 – 1.5 mm |
| Material Types | Aluminum, Copper, GI, PPGI (color-coated steel) |
| Line Speed | 0 – 25 m/min (variable speed) |
| Rotary Blades | 5 pairs, hardened high-carbon tool steel |
| Blade Adjustment | Sliding along main arbor, width change in minutes |
| Feed Rollers | Synchronized anti-scratch drive rollers (rubber-coated optional) |
| Motor Power | 2.2 kW |
| Entry Guide | Adjustable precision sheet alignment |
| Frame Construction | Rigid heavy-duty frame, 680 kg net weight |
| Cut Quality | Clean, parallel cuts — no burrs, no edge burring |
| Control | Speed-matched motor drive with variable torque |
| Upgrade Option (Wadjay industrial line) | 914–1450mm width, 0.15–2.5mm thickness, 20–30 m/min, 3–10 blade sets, 5.5–11kW, 2–4 tons, programmable touch screen, up to 9 knives / 10 strip widths, CE/ISO certified |

Core Engineering Features
The Wadjay sheet metal slitter machine integrates six engineering advantages that set it apart in the compact slitting segment:
- Multi-Cut Rotary Gang Blades — hardened high-carbon tool steel blades execute clean, parallel cuts without burrs or edge burring across the full 1250mm width
- Synchronized Anti-Scratch Feed Rollers — drive rollers eliminate coil slipping while preserving pre-painted or delicate copper/aluminum finishes
- Adjustable Width Positioning — slitting knives slide easily along the main arbor, switching strip width setups in minutes rather than hours
- Precision Sheet Alignment — adjustable entry guides align heavy sheet coil feed seamlessly into the cutting arbor, eliminating skew and edge variation
- Speed-Matched Motor Drive — 2.2kW motor provides variable torque output suited for thin copper foil to 1.5mm galvanized steel
- Easy Blade Resharpening Layout — quick tool dismounting setup allows factory operators to maintain blade edges without extended downtime
Optional Add-ons:
- Extra pairs of high-carbon rotary slitting blades
- Rubber-coated anti-scratch protection rollers for polished stainless steel or copper
- Custom electrical motors matching localized factory grids (220V / 415V / 440V at 50Hz / 60Hz)

Application Scenarios
The 1250mm sheet metal slitter machine serves a wide spectrum of metal processing industries :
- 🌬️ HVAC Ductwork Fabrication — slitting wide coils into precise strips for rectangular and spiral duct manufacturing
- 🏠 Roofing Panel Strip Slitting — producing narrow strips for standing seam roofing, flashing, and edge trim
- ⚡ Electrical Transformer Strip Production — high-precision aluminum and copper strip slitting for transformer windings
- 🏢 Commercial Metal Service Centers — multi-width slitting for inventory diversification and just-in-time delivery
- 🏭 Appliance & Automotive Suppliers — narrow strip preparation for stamping, punching, and roll forming lines
- 📦 Food Packing & Container Manufacturing — coated steel and aluminum strip slitting for can and container production
The machine’s ability to process aluminum, copper, GI, and PPGI in a single compact line makes it exceptionally versatile — one machine serves mixed-material workshops without retooling.

Why Wadjay’s 1250mm Sheet Metal Slitter Stands Out
- True multi-material capability — one machine processes aluminum, copper, GI, and PPGI coils in the 0.4–1.5mm range
- Burr-free cutting — 5 pairs of hardened high-carbon rotary blades deliver clean, parallel edges without secondary deburring
- Surface protection — synchronized anti-scratch feed rollers (rubber-coated option) preserve delicate copper and pre-painted finishes
- Rapid width changeover — sliding knife arbor allows strip width adjustments in minutes, not hours
- Variable speed precision — 0–25 m/min range with speed-matched 2.2kW motor handles thin foil to 1.5mm steel seamlessly
- Rigid 680kg frame — heavy-duty construction eliminates vibration, ensuring straight, consistent strips
- Compact footprint — electric compact design fits any workshop without the floor space demands of full slitting lines
- Factory-direct pricing — no distributor markup; direct from Wadjay Machinery
- Upgrade path — Wadjay’s industrial slitting line option scales to 0.15–2.5mm thickness, 20–30 m/min, programmable touch screen, and CE certification

Frequently Asked Questions
Q1: What materials can the 1250mm sheet metal slitter process?
A: The machine handles aluminum, copper, galvanized iron (GI), and pre-painted steel (PPGI) coils in the 0.4–1.5mm thickness range . For thicker materials up to 2.5mm, Wadjay offers an industrial-grade slitting line with 5.5–11kW motor power .
Q2: How fast is the slitting speed?
A: Variable speed from 0 to 25 meters per minute, controlled by a 2.2kW speed-matched motor . The industrial upgrade line reaches 20–30 m/min with programmable touch screen control .
Q3: How many strips can be produced simultaneously?
A: The standard 1250mm compact machine features 5 pairs of rotary blades. Wadjay’s industrial slitting line can hold up to 9 knives, cutting up to 10 different strip widths for trim production .
Q4: How clean are the cut edges?
A: The hardened high-carbon rotary blades deliver clean, parallel cuts without burrs or edge burring . Rubber-coated anti-scratch feed rollers are available as an option to further protect polished surfaces of stainless steel or copper .
Q5: How long does a width changeover take?
A: The slitting knives slide easily along the main arbor, allowing strip width setup changes in minutes rather than hours . This minimizes downtime between production batches.
Q6: Can the voltage be customized for my country?
A: Yes. While the standard machine operates on customizable electrical configurations, Wadjay offers custom electrical motors matching localized factory grids (220V / 415V / 440V at 50Hz / 60Hz) . The industrial line is available with CE certification .
Q7: What is the footprint and weight of the machine?
A: The compact 1250mm sheet metal slitter has a rigid 680kg frame — heavy enough to eliminate vibration during high-speed slitting, yet compact enough for any workshop . Full industrial lines range from 2 to 4 tons .