Jiangyin Centersky Electrical Appliance Co., Ltd

Cutting strip lamination cores are widely used in the manufacturing of inductors and huge size transformers. We cutting strip  ei lamination cores with grain oriented and not oriented material, from 0.35mm thickness to 0.50mm thickness. The width range (a) from 20mm to 300mm and length (b) from 20mm to 3000mm, to meet 99% industry requirements of our clients. In the actual process application, it can also replace the standard (3UI) three phase lamination, or a larger model of (3UI) three phase lamination, so as to achieve the effect of assembling without opening the new mold, which greatly saves the manufacturing cost of the process costs. (source:https://www.ei-lamination.com/cutting-strip-lamination-cores/)

3UI lamination cores are used in the manufacturing of three-phase transformers. In transformers with 3 UI lamination cores, each of the three ei lamination core arms bears a coil body. In contrast to the EI sheets, the 3UI sheets cannot be welded since the joints of the E and I sheets are within the coil body. The E and I sheets therefore have to be nested reciprocally during transformer manufacturing. As a result, either one or multiple identical sheets are slid in from one side of the coil body. Nesting machines are available for the nesting of 3UI sheets, which can significantly reduce manufacturing times. (source:https://www.ei-lamination.com/3-phase-3ui-lamination-cores/)

Commonly used transformer cores are generally made of silicon steel sheet s. Silicon steel is a kind of silicon (silicon is also called silicon) steel, and its silicon content is 0.8 to 4.8%. The core of the transformer made of silicon steel is because silicon steel itself is a magnetic substance with strong magnetic permeability. In the energized coil, it can generate a large magnetic induction intensity, which can reduce the size of the transformer. We know that the actual transformer always works in AC state, and the power loss is not only in the resistance of the coil, but also in the iron core under the alternating current magnetization. The power loss in the iron core is usually called “iron loss”. The iron loss is caused by two reasons, one is “hysteresis loss” and the other is “eddy current loss”. Used as the iron core of the transformer, cold-rolled silicon steel sheets of 0.5mm and 0.35mm thickness are generally selected. According to the size of the iron core