Transformer Coil Winding Machine

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Transformer Coil Winding Machine

There are different transformer coil winding machines in different capacity and configurations.

Semi-automatic Coil Winding Machine (with Wire Traversing Device)

This transformer coil winding machine is suitable for winding HV coils in round or rectangular shape for 30-2500kVA distribution transformers.

It consists of main winding device, auto wire traversing device, interlaminar insulation feeding device, tension-adjustable wire pay-off stand, pneumatic system, PLC & servo control system, etc.

This machine is of high automation, complete functions, and powerful dynamic force. It can promise the axial tightness and latitudinal compactness and so it is especially suitable for winding rectangular coils.

1. Max. coil outer diameter: less than 600mm
2. Axial height: less than 700mm
3. Diagonal length of rectangular coil: max. 1000mm
4. Weight of coil: max. 500kg
5. Suitable wire: flat wire max. 3x12mm; lacquered round wire diameter 0.3-3mm
6. Winding speed: 0~200rmp

Fully-automatic Coil Winding Machine (with Auto Insulation Applying)

This machine is specially designed for winding high voltage coils with an automatic conductor guidance and interlaminar insulation paper application. It is fully automatic.

Technical Data

No.	Item	Data
1	Machine function
1.1	Center height	850mm
1.2	Suitable max. coil width	Max. 800mm
1.3	Suitable coil	OD 700mm; ID:80mm
1.4	Main spindle torque	800N·m
1.5	Main spindle speed	Standard 0-210rpm (max. 0-370rpm)
1.6	Main spindle motor power	3kW
1.7	Main spindle length	900mm
1.8	Servo motor guiding stroke	800mm
1.9	Conductor guiding method	Ball screw + linear guide + servo drive
2	Conductors
2.1	Round wire	0.6-4.5mm
2.2	Flat wire	1 x 12mm
3	Interlaminar insulation (Two pay-off devices)
3.1	Tensioning method	pneumatic
3.2	Insulation paper width	10-20mm
3.3	Insulation applying method	Both left & right sides, servo drive
3.4	Insulation paper reversing	Servo driving

Fully Automatic Multiple Coil Winding Machine

This is a fully automatic coil winding machine that has been specially designed for winding primary coils used in voltage transformers of less than 110kV and when winding the primary coils of 110Kv or less, one at a time. When winding primary coils for 35kV voltage transformers, two or three coils will be wound simultaneously, with a maximum ability of winding 9 coils at a time. It is also suitable for distribution transformer coils.

Technical Data

No.	Item	Data
1	Suitable enameled wire diameter	0.08-0.3mm(SWG 26~40)
2	Wire ordering pitch	0.08-5mm
3	Wire ordering resolution ratio	0.001mm
4	Space between each coil	4mm
5	Winding turns	1-99999±1
6	Single coil width	40-160mm
7	Single coil weight	≤7.5kg
8	Suitable coil OD	Max. Φ190mm
9	Insulation material	Paper or film, width 350mm, OD max. 300mm, ID 76mm, max. weight 10kg
10	Max. spindle speed	800rpm (@5kg x 2); 600rpm (@7.5kg x 2)
11	Main spindle OD	32mm (with pads for 5 sizes OD)
12	Main spindle driving motor power	3kW
13	Wire guiding servo motor power	3.5kW
14	Machine dimension	About 2500 x 2580 x 1840mm

Horizontal Coil Winding Machine with Flexible Compacting Device

This kind of horizontal coil winding machine is used for winding coils of big capacity transformers and reactors from 5 tons to 35 tons!

This machine can be equipped with vertical and horizontal compacting device and so the windings will be more compact and even, ensuring the quality of winding coils.

Applied with advanced electronic counter which can count both positive and reverse turns, our equipment also comes with power-off memorizing function.

Main Technical Data of Horizontal Coil Winding Machine

Parameters	WRJ-5	WRJ-10	WRJ-15	WRJ-20	WRJ-25	WRJ-35
Max. load (T)	5	10	15	20	25	35
Max. coil diameter (mm)	1500	1800	2000	2800	2800	3000
Chuck diameter (mm)	750	1000	1400	1800	1800	2000
Distance between chuck and tail (mm)	3000	3000	3500	4600	4600	4600
Height of main spindle (mm)	1200	1400	1600	1800	1800	1800
Stroke of tail stock (mm)	2000	2000	2000	2600	2600	2600
Turning range of compacting device	35°
Stroke of compacting head (mm)	500	750	750	750	1040	1040
Speed of main spindle (r/min)	0~10	0~10	0~10	0~10	0~10	0~7
Max. vertical compacting force (kgf)	120	160	160	160	160	160
Max. horizontal compacting force (kgf)	250	300	300	300	300	300
Max. torque (N.m)	8000	15000	2000	25000	30000	40000

Vertical Coil Winding Machine

This machine is special for winding coils for high voltage and super high voltage transformers. The chuck can raise/drop according to the height of coil so as to keep the working height.
This machine is inverter control, with stable start-up, low noise and easy operation.
It is equipped with electronic counter which can reduce turns when reversing.
It can automatically stop at pre-set turns.

Main Technical Data of Vertical Coil Winding Machine

	10T	20T	25T	30T
Chuck diameter mm	ф1500	ф2900	ф2200	ф2800
Max. turning diameter mm	ф2200	ф3000	ф3400	ф3500
Chuck elevating stroke mm	2200	3000	3000	3500
Max. bearing weight T	10	20	25	30
Max. torque N.m	9000	15000	16500	23000
Chuck rotating speed r/min	0~10	0~10	0~10	0~10
Chuck elevating speed m/min	0.5	0.5	0.5	0.5
Covering plate stretching speed m/min	2.5	2	2.5	2.5
Covering plate stretching range mm	ф680~ф2232	ф1040~ф3040	ф1800~ф3600	ф1800~ф3600
Dimension mm	5086×4586×4263	6500×6000×5020	6856×6356×5020	6856×6356×5020

We can provide any kind of coil winding machines, not only for transformers, but also for other electric apparatus.

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