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Grain-oriented coils
Cold-rolled oriented silicon steel is an indispensable and important soft magnetic functional material in the power and electronic industries, with high magnetic induction and low iron loss characteristics.
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Mainly used in various industries such as rectifiers, transformers, reactors, and large motors to manufacture iron cores for various types of transformers.
Thickness of grain-oriented coils :0.20mm ,0.23mm,0.27mm,0.30mm,0.35mm ,etc
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By core Construction-Magnetic Path& Manufacturing, to Identify cores of transformer
Core‑Type Transformers
Windings surround the limbs. Stepped lap joints reduce joint losses; cores are assembled from laminations or wound strip. High‑permeability GO minimizes core cross‑section and copper losses.
Shell‑Type Transformers
Core surrounds the windings. Flux‑dividing structure with stacked laminations; precise stacking ensures magnetic symmetry. GO with excellent flatness and uniform coating for consistent stacking factor.
Wound Cores (C‑cores, toroidal)
Continuous strip wound into a ring, cut or uncut. Used in single‑phase distribution, instrument, and specialty transformers. GO requires high ductility, uniform tension, and narrow strip widths for toroids.
