Double servo clamping foil winding machine

Machine uses:

The dual-servo double-layer foil winding machine is a high-precision automated equipment designed specifically for the foil coil winding of electrical equipment such as transformers and reactors. Its core consists of two independent servo motors that drive the feeding, tensioning, and correction of the upper and lower layers of foil, respectively. Combined with a PLC, it achieves synchronous winding of the double-layer foil. Compared with traditional single-servo/frequency conversion foil winding machines, it has a qualitative leap in efficiency, accuracy, and stability, and is the core equipment for the large-scale production of medium and high voltage transformer coils.

Machine composition:

The CNC double servo foil winding machine is two independent servo motors that drive the feeding, tensioning, and correction of the upper and lower layers of foil respectively. All components work together to achieve synchronous winding of the double-layer foil. The overall structure can be divided into nine core units according to functional modules: dual unwinding unit, dual servo tension control unit, dual-path photoelectric correction unit, layer insulation/end insulation unwinding unit, dual servo winding spindle unit, foil cutting and automatic welding unit, PLC main control and touch screen operation unit, hydraulic and pneumatic auxiliary unit, machine frame and auxiliary guide unit.

 Technical parameters :

No.	Project	Brj-400-2	Brj-600-2	Brj-800-2
		Technical reference number
1	Coil working range
1.1	The foil material width	50-400mm	50-600mm	50-800mm
2	Foil feeding  ( 2 Sets )
2.1	Uncoiler motor power	3000Nm  Tension motor	6000Nm  Tension motor	8000Nm Tension motor
2.2	Effective width of rack mm	450mm	650mm	850mm
2.3	Rack bearing(Max)kg	1T	2T	2.5T
2.4	When tight force	2500Nm*2	4500Nm*2	6500Nm*2
3	Coiler  (2 sets) one set left/one set right
3.1	Wind speed	0~30r/min	0~30r/min	0~30r/min
3.2	Wind power	Double servo 4KW*2	Double servo 5 KW*2	Double servo 7 .5KW*2
4	Fixtures and fittings (2 sets)
4.1	Minimum fixture range	10mm	10mm	10mm
4.2	Maximum range of fixture	350mm	350mm	350mm
5	Layer insulation device (2 sets)
5.1	Insulated motor power	0.37KW*2	0.37KW*2	0.37KW*2
5.2	Insulating paper width	100-450mm	100-650mm	100-850mm
6	Electric control system
6.1	Encoder count	（0-9999.9）	（0-9999.9）	（0-9999.9）
7	Automatic welding (1 set)
7.1	Welding width	400mm	600mm	800mm
8	The transmission way	Linkage and manual
9	Operating mode	Control box

Advantages:

• Doubled Production Efficiency: The dual-layer, dual-servo foil winding machine enables synchronous winding of both layers, eliminating the need for two separate winding operations and increasing efficiency by 3-5 times; automatic welding/cutting reduces manual intervention and shortens material changeover time by 50%.
• Precise Tension Control: TheDouble servo clamping foil winding machine features independent closed-loop control by two servos, ensuring tension error ≤±1%, consistent tension between the two foil layers, tight coils, and an outer diameter tolerance ≤±0.1mm.
• Higher Correction Accuracy: The dual-layer, dual-servo foil winding machine utilizes dual-channel servo correction with a response speed ≤10ms and accuracy up to ±0.05mm, preventing interlayer misalignment.

• Synchronization and Stability: The Synchronous servo clamping winding features synchronous drive from both servo spindles, ensuring consistent torque at both ends, eliminating wobbling during winding, and achieving uniform axial/radial coil density.
• Optimized Electrical Performance: The Double servo control system clamping mechanism can achieve tight coil bonding, reduce resistance, reduce transformer no-load loss by 15%-20%, and reduce load loss by about 10%.
• Highly maintainable and expandable: The CNC double servo foil winding machine’s servo motor has no mechanical contacts, resulting in a low failure rate; it supports expansion modules to add interfaces and adapt to different foil specifications.

Product Images：

 

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