BRJ-800 Foil Winding Machine
BRJ-800 Transformer Foil Winding Machine | Bailipower CNC
High-Precision Transformer Foil Winding Machine for Dry-Type & Oil-Immersed Transformers
The BRJ-800 Transformer Foil Winding Machine from Bailipower CNC is a high-precision automated winding solution designed for manufacturing low-voltage foil coils used in dry-type transformers, oil-immersed transformers, reactors, and related electrical equipment.
Engineered for stable operation, precise tension control, and high-efficiency production, the BRJ-800 series supports copper foil and aluminum foil winding for round, oval, and rectangular transformer coils. The machine integrates decoiling, leveling, deburring, dust removal, welding, winding, insulation feeding, and cutting into one intelligent production system.
With full servo and variable-frequency control technology, the BRJ-800 series delivers outstanding winding accuracy, reduced labor costs, and reliable long-term performance for transformer manufacturers worldwide.
Why Choose Bailipower BRJ-800 Foil Winding Machine?
High-precision servo tension control
Automatic photoelectric edge alignment
Stable winding for copper and aluminum foil
Suitable for dry-type and oil transformer coil production
Modular design for customized configurations
Integrated welding, insulation feeding, and cutting system
Siemens or Mitsubishi PLC control system
Low maintenance and long service life
Competitive factory-direct pricing
1. Machine Overview
| Item | Specification |
|---|---|
| Machine Model | BRJ-800 / BRJ-800-2 |
| Machine Type | Transformer Foil Winding Machine |
| Application | LV Transformer Foil Coil Production |
| Coil Shapes | Round, Oval, Rectangular |
| Suitable Materials | Copper Foil / Aluminum Foil |
| Machine Dimensions | 4200 × 1800 × 2200 mm |
| Machine Weight | Approx. 5000 kg |
| Power Supply | 220v/380V/415v… 50Hz /60Hz/ 3 Phase |
| Total Power | Approx. 22–30 kW |
| Air Supply | 0.5–0.6 MPa, 1.5 m³/min |
2. Application Industries
The Bailipower BRJ-800 series is widely used in:
Dry-type transformer manufacturing
Oil-immersed transformer production
Reactor coil manufacturing
Current transformer production
Power distribution equipment industry
Electrical equipment factories
3. Foil Material Specifications
| Item | Specification |
|---|---|
| Foil Width | 150–800 mm |
| Copper Foil Thickness | 0.3–2.0 mm |
| Aluminum Foil Thickness | 0.5–2.5 mm |
| Coil Inner Diameter | φ400–φ500 mm |
| Max Coil Outer Diameter | φ800 mm (Standard) / φ1000 mm (Heavy Duty) |
| Max Coil Weight | 3000–5000 kg |
4. Coil Winding Specifications
| Item | Specification |
|---|---|
| Axial Coil Length | 300–800 mm |
| Coil Inner Diameter | φ130–φ500 mm |
| Max Coil Outer Diameter | φ800 mm |
| Winding Layers | Single Layer (BRJ-800) / Double Layer (BRJ-800-2) |
| Winding Speed | 0–20 r/min |
| Main Shaft Height | 1100 mm |
| Tension Control Accuracy | ±5% |
| Edge Alignment Accuracy | ±0.1 mm |
| Turn Counting Accuracy | ±0.1 Turn |
5. Decoiler System
| Item | Specification |
|---|---|
| Decoiler Quantity | 2 Sets |
| Shaft Type | Pneumatic Expanding Shaft |
| Supported Inner Diameter | φ400–500 mm |
| Material Width Capacity | 850 mm |
| Edge Alignment | Automatic Photoelectric Servo Correction |
6. Leveling, Deburring & Dust Removal System
| Function | Configuration |
|---|---|
| Leveling | Upper & Lower Rollers with Pneumatic Pressure |
| Deburring | Disc Knife / Brush |
| Dust Removal | Electrostatic Dust Removal + Brush Cleaning |
7. Welding System
| Item | Specification |
|---|---|
| Welding Type | TIG / Plasma / Resistance Welding |
| Guide Rail | Linear Guide + Ball Screw |
| Control Method | PLC + Servo System |
8. Main Winding Unit
| Item | Specification |
|---|---|
| Main Motor Power | 15–22 kw, Inverter Control |
| Max Torque | 8000–10000 N·m |
| Pressure Roller | Pneumatic / Hydraulic Gantry Roller |
9. Cutting System
| Item | Specification |
|---|---|
| Cutting Type | Electric Screw Disc Cutter |
| Cutting Speed | Approx. 1.5 m/min |
10. Insulation Feeding System
| Item | Configuration |
|---|---|
| Layer Insulation Feeding | 2 Shafts |
| End Insulation Feeding | 1 Shaft |
11. Control System
| Item | Specification |
|---|---|
| Main Controller | Siemens / Mitsubishi PLC |
| Operation Interface | Touch Screen + Push Buttons |
| Drive System | Full Variable Frequency + Servo Drive |
12. Core Advantages of BRJ-800 Transformer Foil Winding Machine
High Precision Winding Performance
The BRJ-800 series adopts advanced closed-loop servo control technology to ensure stable winding quality and consistent coil dimensions. The automatic servo edge alignment system achieves up to ±0.1 mm correction accuracy, significantly improving transformer coil consistency and reducing material waste.
Stable Tension Control
The constant tension system maintains stable foil feeding during operation, ensuring wrinkle-free and deformation-free winding of both copper foil and aluminum foil materials.
Fully Integrated Automation
The machine combines multiple production functions into one automated line, including:
Decoiling
Leveling
Deburring
Dust removal
Welding
Winding
Insulation feeding
Cutting
This integrated structure greatly improves production efficiency while reducing labor dependency.
Flexible Customization
Bailipower offers modular customization options based on customer production requirements, including:
Single-layer or double-layer winding
Automatic welding system
End insulation feeding
TIG welding
Plasma welding
Resistance welding
Heavy-duty coil loading system
13. Standard Price Reference (2026)
| Model | Reference Price |
|---|---|
| BRJ-800 Single Layer/China | CNY 280,000 – 380,000 |
| BRJ-800-2 Double Layer/China | CNY 380,000 – 500,000 |
| FOB Price/International | USD 25,000 – 40,000 |
Final pricing depends on machine configuration, automation options, and order quantity.
14. Frequently Asked Questions (FAQ)
14.1 Q: What products can the BRJ-800 foil winding machine produce?
A: The BRJ-800 series is mainly used for manufacturing low-voltage foil coils for dry-type transformers, oil-immersed transformers, reactors, and current transformers.
14.2 Q: What materials are supported?
A: The machine supports both copper foil and aluminum foil processing, with foil widths from 150 mm to 800 mm.
14.3 Q: How does the machine ensure winding accuracy?
A: The machine uses Siemens or Mitsubishi PLC control systems combined with full servo drive technology to achieve:
±5% constant tension control
±0.1 mm edge alignment accuracy
±0.1 turn counting accuracy
14.4 Q: Can the machine be customized?
A: Yes. Bailipower provides customized solutions based on customer production requirements, including:
Single or double layer winding
Automatic welding systems
End insulation feeding
Different welding technologies
14.5 Q: Why do transformer manufacturers choose Bailipower?
A: Bailipower focuses on transformer manufacturing equipment with years of industry experience. Our machines are known for:
Reliable mechanical structure
Stable long-term operation
Competitive pricing
Professional technical support
Fast after-sales service
Installation and operator training
Customized production solutions
15. Contact Bailipower CNC
If you are looking for a reliable transformer foil winding machine manufacturer, the BRJ-800 series from Bailipower CNC provides an ideal solution for efficient and precise transformer coil production.
Contact us today for:
Technical consultation
Machine configuration recommendations
Factory pricing
Video demonstrations
Overseas installation support
Customized transformer winding solutions



