DOUBLE-HEAD 4 TON UNCOILER

Double Head Steel Coil Decoiler

The Double-Head 4 Ton Uncoiler is a high-efficiency decoiling machine designed for continuous production. With its double-mandrel structure, it allows seamless coil changeover without stopping the line, making it ideal for ERW tube mills, roll forming lines, and slitting lines.

Product Details

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Product Details

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Product Description

The Double-Head 4 Ton Uncoiler is a high-efficiency decoiling machine designed for continuous production. With its double-mandrel structure, it allows seamless coil changeover without stopping the line, making it ideal for ERW tube mills, roll forming lines, and slitting lines.

✅ Key Features

Dual-mandrel design for non-stop coil changeover
Hydraulic expansion with adjustable coil centering
Compatible with PLC & auto-shear welding systems
Ideal for ERW tube mills, slitting lines, and forming lines

2. Technical Parameters

Parameter	Value
Structure Type	Double-Head
Coil Weight Capacity	4 Tons per Mandrel
Coil Width Range	100–600 mm
Coil ID Range	Φ450–Φ508 mm
Coil OD Max	≤ Φ2000 mm
Expansion Type	Hydraulic
Motor Power	3 kW × 2
Control Mode	Manual / Optional PLC
Material Type	Carbon Steel, Galvanized, SS
Coil Change Time	≤ 1 min

3. Workflow Overview
1. Load coils onto both mandrels
2. Expand mandrel hydraulically to secure the coil
3. Feed strip into the production line
4. Prepare the next coil on the idle side
5. Cut and weld to new coil for continuous operation

Customer Cases

🌍 Global Success Stories
- 🇻🇳 Vietnam: 24-hour ERW pipe mill with auto switch system
- 🇷🇺 Russia: Cold-roll Z-section line in sub-zero conditions
- 🇲🇾 Malaysia: High-speed slitting line with dual decoilers

📦 Packing & Shipping

Anti-rust coated, film wrapped, secured with steel frame
Available for sea/land transport
Delivered within 30–35 working days
Includes manuals, spare parts & tool kits

Customers Feedback

🇻🇳 Case 1: Vietnam ERW Tube Mill

To improve production efficiency, the client introduced our Double-Head 4 Ton Uncoiler with a PLC automatic control system.
The coil loading and changeover time was reduced from 3 minutes to less than 1 minute, effectively cutting downtime caused by coil replacement by over 40%.

"This double-head uncoiler truly enabled non-stop coil change, significantly boosting our production capacity. Very stable performance." — Technical Director

🇷🇺 Case 2: Russia Roll Forming Line

This customer integrated our Double-Head 4 Ton Hydraulic Uncoiler into their Z-shaped cold roll forming line.
The machine ensured continuous feeding and heavy-duty decoiling performance, even in extremely low temperatures down to -20°C, meeting the harsh operation conditions in Russia.

"The machine runs stably. The hydraulic expansion and coil switching system are very user-friendly and greatly reduced manual work."

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Double head Uncoiler FAQS

Is the uncoiler compatible with other brands of production lines?

Absolutely. The uncoiler supports a wide range of coil widths, thicknesses, and inner diameters. The hydraulic expansion system and adjustable guides make it easy to accommodate various material specifications, including carbon steel, galvanized steel, and stainless steel.

Does it support automatic tension control or PLC integration?

Yes, we offer optional PLC integration and automatic tension control systems. These features allow seamless synchronization with the entire production line for improved automation and precision.

Is the machine difficult to operate? How many people are needed?

No, it is very user-friendly. The basic model can be operated manually by a single worker. If equipped with PLC and auto-feeding features, operation becomes even more simplified and efficient.

What’s the average delivery time after ordering?

Our standard lead time is 25 to 35 working days, depending on the order quantity and customization requirements.

Is installation and training provided?

Yes, we offer both remote and on-site technical support, including installation guidance, commissioning, and operator training upon request.

How to select the right pipe specifications and production requirements?

When selecting the right pipe specifications, evaluate the market demand and the intended use of the product. The 12.7mm-50.8mm longitudinal seam welding pipe equipment is widely used for producing small to medium-sized pipes and is suitable for various wall thicknesses. It is ideal for industries such as construction, machinery, and oil and gas transportation. Choose the appropriate material, welding process, and sizing settings based on the application. It’s advisable to communicate with the technical team to determine the optimal production process for precise pipe specifications.

Does the equipment's electrical system support remote monitoring and fault diagnosis?

Yes, the 12.7mm-50.8mm longitudinal seam welding pipe equipment is equipped with an advanced PLC control system that allows for remote monitoring and fault diagnosis. By connecting the equipment to a cloud platform or remote interface, users can monitor the production status in real time, analyze fault causes, and make necessary adjustments. This remote functionality significantly reduces downtime and enhances the equipment’s operational efficiency.

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