Transformers are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction. Transformers consist of two main components: a primary winding and a secondary winding, both wound around a core. The transformer core of a transformer plays a crucial role in its efficient operation. It is typically made using laminations or stacked layers of a magnetic material, such as silicon steel. But why is lamination used in the core of a transformer? Let's delve deeper into this question. The primary reason for using laminations in the transformer core is to minimize energy losses. When an alternating current (AC) flows through a transformer, the magnetic field generated by the current causes the core to undergo rapid magnetization and demagnetization cycles. These cycles lead to two types of energy losses in the transformer core: hysteresis loss and eddy current loss. Hysteresis loss occurs due to the repeated flipping of magnetic domains within the core material, resulting in energy dissipation in the form of heat. Laminating the core helps to reduce this loss by segmenting the core into thin layers. These layers disrupt the continuous path for magnetic flux, reducing the area enclosed by the hysteresis loop and thus minimizing hysteresis loss. Eddy current loss, on the other hand, is caused by the circulating currents induced within the core material due to the varying magnetic field. By using laminations, the transformer core is effectively divided into isolated pieces, reducing the continuous loops that the eddy currents can flow through. This segmentation significantly decreases the cross-sectional area available for eddy currents and, consequently, reduces eddy current losses. Moreover, laminations also enhance the mechanical strength and stability of the transformer core. By stacking and tightly clamping the laminations together, the core becomes more rigid and less susceptible to mechanical stresses and vibrations. This ensures that the core maintains its integrity and optimal magnetic properties throughout the transformer's operation. In summary, the use of laminations in the core of a transformer is essential for minimizing energy losses, particularly hysteresis and eddy current losses. By dividing the core into thin layers, laminations reduce the path for magnetic flux and circulating currents, resulting in improved efficiency and overall performance of the transformer. Additionally, laminations enhance the mechanical stability of the core. These factors collectively contribute to the reliable and efficient operation of transformers in applications.

The exceptional performance of cores relies on high-quality prime electrical steel raw materials and an advanced manufacturing system. Shunge Steel employs professional production lines equipped with precise high-speed mold punching machines to stamp the sheets, ensuring optimal results. Electrical steel from leading or private steel mills Through extensive testing and adjustments, we have achieved the capability to process stamping sheets within a thickness range of 0.1-1.0mm. Our cutting precision tolerance is tightly controlled, with a deviation of only ±0.01mm.   Customized steel sheet based on customer's drawing of design Our mold punching process offers several advantages, including high guiding precision, stable punching performance, uniform blanking clearance, and extended service life. To support our production needs, we currently operate 8 one-go punching machines and 10 high-speed punching machines. These machines, combined with rigorous quality checks, enable us to maintain high quality standards and ensure fast production lead times.   One-go punching production line   High-speed punching production line      Mature quality check system Over time, we have established successful partnerships with nearly 200 motor companies. Our expertise lies in solving production and processing challenges that demand diverse product varieties, small-batch production, and customized non-standard sheet R&D.   Regular stamping sheet product demonstration If you would like to customize silicon steel sheet for own transformer core, motor core, stator and so on, it would be really helpful when more specifications and datas are provided: Specification of material Drawing of design Required Quantity Production technique Production lead time Required certificates of import

Our Domestic Sales Department of Silicon Steel has over 10 years' history, which now consists of 6 experienced and professional team members. Product range includes: Cold Rolled Non Grain Oriented Silicon Steel and Cold Rolled Grain Oriented Silicon Steel. Sales volume has reached 1,500 tons every month. Our end customers cover many industries: motors, transformers, manufactures, home appliance factories such as Media, pumps industry which is a listed company, car manufacturers including Japanese and Korean brands.     Silicon Steel Domestic Sales Team and Overseas Sales Team Among this amazing team, all the members have been working hard for more than 10 years to offer prime products and devoted service to customers, witnessing the growth of Shunge Steel and being more and more professional in silicon steel one-stop supply chain. On the 15th anniversary, they were awarded for the prize of "Outstanding Service".   We work closely with Chinese leading steel mills such as Shou Steel, Bao Steel, An Steel, etc. Especially, we’re the A-level agent of Shou Steel and Bao Steel - which means we have regular stock of 180,000 tons annually for most general steel grades and could ensure high quality, competitive pricing and fast delivery. Moreover, we have close long-term partnerships with private steel mills in China as well. Raw materials are optional for different pricing so we could be your flexible steel supplier. Regular warehouse stocking of silicon steel Besides raw material, we also provide value added processing services for electrical steel sheets and lamination, such as stamping sheets in shapes of UI, EI and customized shapes and sizes. Both CRGO and CRNGO electrical steel are available. Punching line                                                                                        Annealing line   Silicon steel semi-final products   In addition, quotation for steel products could be based on EXW, FOB, CIF, DDP..., thoughtful shipping services could be provided based on needs.   Shunge Silicon Steel Domestic Sales Team will continuously make progress in providing customers with better products and service.   Silicon Steel Domestic Sales Team received award on Shunge Steel 15th anniversary