EI Lamination is made by the silicon steel strip. The model of EI lamination in standard sizes is from EI 28 to EI -240, and the model of EI lamination in non-standard sizes is from EI-36 to EI-360. the gap sizes of transformer lamination core can be customized.
Three -phase EI lamination is made by the silicon steel strip. The model of three-phase EI lamination is from three-phase (20) to three phase (100), and the hole size is from Φ4.5 to Φ14, The gap sizes of transformer lamination core can be customized.
UI lamination is made by the silicon steel strip.the model of UI lamination is from UI-30 to UI-100, and the hole size is from Φ 8 to Φ 14. The gap sizes of transformer lamination core can be customized.
Model
A
B
C
D
E
F
G
Hole Size
EI-28
28
25
8
4
4
17
21
EI-30
30
25
10
5
5
15
20
EI-35
35
29.5
10
5
7.5
19.5
24.5
EI-38.4
38.4
32.2
12.8
6.4
6.4
19.2
25.7
EI-38.4
38.4
52
12.8
6.4
6.4
38.4
45.5
EI-41
41
27
13
6
8
21
27
EI-42
42
35
14
7
7
21
28
3.5
EI-48
48
40
16
8
8
24
32
3.5
EI-50
50
42
14
9
9
25
34
EI-54
54
45
18
9
9
27
36
3.5
EI-57
57
47.5
19
9.5
9.5
28.5
38
4.0
EI-60
60
50
20
10
10
30
40
3.5
EI-66
66
55
22
11
11
33
44
4.5
EI-75
75
62.5
25
12.5
12.5
37.5
50
EI-76.2
76.2
63.5
25.4
12.7
12.7
38.1
50.8
5.0
EI-78
78
65
26
13
13
39
52
5.0
EI-78
78
67
22
14
14
39
53
5.0
EI-84
84
70
28
14
14
42
56
5.0
EI-85.8
85.8
71.5
28.6
14.3
14.3
42.9
57.2
5.0
EI-96
96
80
32
16
16
48
64
6.2
EI-105
105
87.5
35
17.5
17.5
52.5
70
6.0
EI-108
108
90
36
18
18
54
72
5.5
EI-114
114
95
38
19
19
57
76
7.0
EI-120
120
100
40
20
20
60
80
7.0
EI-132
132
110
44
22
22
66
88
7.0
EI-133.2
133.2
111
44.4
22.2
22.2
66.6
88.8
7.0
EI-144
144
124
40
26
26
72
98
7.0
EI-150
150
125
50
25
25
75
100
8.0
EI-152.4
152.4
127
50.8
25.4
25.4
76.2
101.6
8.0
EI-162
162
135
54
27
27
81
108
8.0
EI-168
168
140
56
28
28
84
112
9.0
EI-171
171
142.5
57
28.5
28.5
85.5
114
9.0
EI-174
174
145
58
29
29
87
116
9.0
EI-180
180
150
60
30
30
90
120
10.0
EI-192
192
160
64
32
32
96
128
10.0
EI-210
210
175
70
35
35
105
140
10.0
EI-240
240
200
80
160
40
120
160
10.0
Item
Ballast Core
Type
Steel Coil
Thickness
0.35 ~ 0.50mm
Width
According to your requests
Coil Weight
4 ~ 8 tons
Material
BAO Stleel: B501300, B50A1000, B50A800, B50A700, B50A600, B50A470, B35A440, B35A550, B65A600, B65A1600 B
Tai Steel: 50TW290, 50TW310, 50TW470, 50TW600, 50TW800
Surface Treatment
C-4 Insulated Coated
OEM and ODM
Welcome
Application
Motor, electric engine, dynamo, transformer, electromagnetic switch, reactor, magnetic amplifiers, ballast, relay, yoke flow circle and other industry usage.
1. Low iron loss, high magnetic flux strength, comes up to the international advance standard 2. Slight thickness difference between the horizontal and the longitudinal direction, promising the high lamination factor 3. Processing Performance: Easily punched and cut, high dimensional accuracy 4. Insulating Coating: Uniform color, good insulation, strong adhesive, high heat resistance, high putrescibility 5. Smooth surface, no rust, no rolling marks, no cold lap, no crease, no bubble cell, no delamination defects.
Company Information
Established in 1986, our company is one of the earliest enterprises engaged in the Ballast Cores production. We are located in Jiangyin City, Jiangsu Province, enjoying a convenient location and transportation.
We have been specialized in the development and manufacture of Ballast Cores for more than 20 years. Till now, we have introduced dozens of fully automatic high-speed precision punch presses and other punch presses, and hundreds of international standard series of high-precision carbide dies.
We produce all kinds of power transformer and ballast supporting series EI type Ballast Core (EI CORE), HID series and BTA series ballast Ballast Core, fixed rotor of electric tool, and we also produce many special specifications of Ballast Cores, including EI type, F type, inductors and reactor.
Packaging & Shipping
Our Services
1. Directly manufacturing factory with competitive price and quality control, we check all material when we start to bulk productions.
2. Professional advice to help you purchase the products you wanted 3. Professional export service team servers in the deal. 4. Customization service is available, OEM business is appreciated. 5. We will inspect and test all products material carefully to ensure no damage and lost. 6. The success of our cooperation can be guaranteed for our company is a credible and honest partner.
Sample
Stock sample is free, but client must pay for sample express cost.
Sample not in stock will be charge on client.
Customized sample cost will be based on design
About our technical support
We own DOUBLE-HEAD COIL CRADLE(without motor):
Feature:Suitable for straightening machine.
Save the time for feeding ,improve the ability for producing,low cost,be more competitive.
FAQ
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment. If you have another question, pls feel free to contact us as below:
