The vertical coil winding machine is designed for winding coils used in high voltage and super high voltage transformers. It is available in both pit type and ground type configurations, which can be selected based on the workshop height.
Vertical coil winding machine features a flexible chuck that can be adjusted to lift according to the coil's height, ensuring an optimal working height. With inverter control, the machine offers stable start-up, low noise, and easy operation, among other advantages.
Equipped with an electronic counter, the machine allows for the reduction of turns when reversing. Moreover, it has the capability to stop automatically at pre-set turns, providing added convenience during the winding process.
The Vertical Coil Winding Machine is a high-performance industrial equipment designed for precision winding of transformer coils, reactor coils, and large-diameter electrical windings.
It is widely used in the manufacturing of:
Power transformers
Distribution transformers
Dry-type transformers
Reactors and inductors
High-voltage (HV) and low-voltage (LV) coil systems
This machine is engineered to deliver stable torque output, precise layer alignment, and high efficiency coil forming, making it an essential solution for modern transformer manufacturing plants.
Available in both pit type vertical coil winding machine and floor type vertical winding machine, it can be customized according to workshop layout and production requirements.
● Suitable for Iron Core and expandable winding core
● Chuck can move up and down upon winding coil height, lifting is soft start
● PLC programmable control, rotation speed can be controlled by the system
● Intelligent counting device, turning number can be preset, and has the function of with power off memory and automatic stop
| Item | LRJ-10 | LRJ-20 | LRJ-25 | LRJ-30 |
| Max capacity/t | 10 | 20 | 25 | 30 |
| Chuck diameter/mm | φ1500 | Φ2000 | φ2000 | Φ2500 |
| Max rotation diameter/mm | φ2000 | φ3000 | φ3000 | φ3200 |
| Chuck elevating stroke/mm | 2500 | 3000 | 3000 | 3000 |
| Max torque/Nm | 5000 | 15000 | 25000 | 35000 |
| Chuck rotating speed/ rpm | 0-20 | 0-10 | 0-7 | 0-5 |
| Chuck elevating speed/mpm | 1 | 0.7 | 0.7 | 0.5 |
| Covering plate stretching speed/mpm | 1 | 1 | 1 | 0.7 |
| Covering plate stretching range/mm | Φ700-Φ2200 | Φ900-Φ3000 | Φ900-Φ3000 | Φ1100-Φ3200 |
The vertical coil winding system is designed for a wide range of transformer and reactor manufacturing applications.
This machine is ideal for producing:
High-voltage disc coils (HV winding)
Low-voltage spiral coils (LV winding)
Helical windings
Pancake coils
Cylindrical coil structures
It ensures uniform tension control and consistent winding accuracy for high-performance transformer production.
Suitable for:
10kV–35kV distribution transformers
Oil-immersed transformer coils
Dry-type transformer windings
The system guarantees stable coil geometry and reduces insulation deformation during winding.
Widely used for:
Power reactors
Filter reactors
Industrial inductors
High-current coil systems
It supports large copper and aluminum conductor winding with high structural stability.
Designed for advanced electrical manufacturing, including:
UHV transformer coils
Extra-high voltage winding systems
Large-scale energy transmission equipment
Built for long-term heavy-duty operation in transformer factories with stable mechanical performance.
Widely used by:
Transformer manufacturers
Electrical equipment OEM factories
Coil winding workshops
Industrial automation plants
We provide OEM customization including:
Voltage adaptation
Machine size modification
Coil diameter customization
Automation integration (robotic wire feeding, CNC control)
CE certified equipment
Global shipping support
Installation guidance
Remote technical assistance
Looking for a reliable Vertical Coil Winding Machine manufacturer? We provide professional engineering solutions for transformer and reactor coil production worldwide.
Contact us with your:
Coil diameter requirements
Transformer capacity
Workshop layout
Automation needs
We will provide:
Technical proposal
Machine drawings
Competitive quotation
Delivery schedule
Installation support
Get your customized solution within 24 hours.
What is a vertical coil winding machine used for?
It is used for winding transformer coils, reactor coils, and high-voltage electrical windings with high precision and stability.
What is the difference between pit type and floor type machine?
Pit type machines are installed below ground level for easier operator handling, while floor type machines are suitable for workshops without pit construction.
Can the machine be customized?
Yes, we provide full OEM customization including load capacity, coil size, control system, and automation functions.
What materials can be wound?
The machine supports:
Copper wire
Aluminum wire
Insulated conductor
Flat and round wire
What industries use this machine?
It is mainly used in:
Transformer manufacturing
Power equipment production
Electrical coil winding industry
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