Grain Oriented Silicon Steel Lamination

Transformer core of grain-oriented silicon steel , to be customized in accordance with the drawings .

A Transformer core of Grain-Oriented Silicon Steel – The Core of Transformer Excellence

At the heart of every high-performance transformer lies a critical component: the core. And at the heart of core lies Grain-Oriented Silicon Steel (GO) —a material engineered for precision, efficiency, and reliability.

1. Unmatched Magnetic Orientation

2. Superior Energy Efficiency

3. High Magnetic Induction

4. Excellent Mechanical & Dimensional Consistency

5. Low Magnetostriction for Quiet Operation

6. Advanced Insulation Coatings

7. Tailored for Modern Applications

8. Sustainable & Future-Ready

Core Manufacturing Excellence – From Coil to Core

The process from grain‑oriented silicon steel coil to core involves:

1. Slitting – Precision width cutting with controlled burr height.

2. Punching / Cutting – Step‑lap, mitered, or straight cuts with minimal magnetic degradation.

3. Stacking – Automated or manual, ensuring uniform stacking factor .

4. Annealing (if required) – Stress‑relief annealing restores magnetic properties after cutting; coating must survive this process.

5. Assembly & Clamping – Uniform pressure prevents lamination vibration and maintains low core loss.

Choosing the right core—and the right grain‑oriented silicon steel—based on transformer classification delivers:

· Energy savings – Correct grade and gauge minimize no‑load losses.

· Regulatory compliance – Meet efficiency standards.

· Operational reliability – Proper core design reduces hot spots, noise, and aging.

· Cost efficiency – Optimized material usage and yield lower total manufacturing cost.