Grain Oriented Electrical Steel Transformer Lamination in China
Lamnow can provide high-quality grain oriented electrical steel transformer laminations in China. Our material thickness options, such as 0.18mm, 0.20mm, 0.23 mm, 0.27 mm, and 0.30 mm, are sourced from top mills like Baosteel, Shougang, and international brands.
In addition, we also provide the grain oriented electrical steel lamination for motor stator core. It is commonly used in drone motor or hub motor, and high-frequency motor.
Customized Grain Oriented Silicon Steel Lamination For Transformer Core
We can supply E, EI, UI, and toroidal types in various sizes. Our GOES laminations ensure low core loss, high efficiency, and reliable performance, making them widely used in power and distribution transformers.
Grain Oriented Electrical Steel Transformer Lamination
The dimensions are 38.1 mm × 24.1554 mm × 0.102 mm. It is manufactured using 0.10 mm GT100 material with C5 insulation coating. The laminations are designed with two grain orientations.
EI Grain Oriented Electrical Steel Transformer Lamination
EI transformer laminations use material thicknesses of 0.10 mm, 0.23 mm, and 0.30 mm. They are commonly manufactured using wire cutting and stamping processes.
I Type Grain Oriented Steel Transformer Core
The dimensions are 21 mm × 36 mm × 11 mm. It is manufactured using 0.27 mm 27QG095 oriented electrical steel with C5 insulation coating. The laminations are produced through wire cutting and bonding technology.
Grain Oriented Steel Transformer Core
It is manufactured using 0.35 mm grain oriented electrical steel with insulation coating. It is produced through progressive stamping combined with in-die bonding technology, ensuring high efficiency, strong structural integrity, and reduced core loss.
Grain Oriented Steel Toroidal Transformer Core
Toroidal oriented steel lamiantion used in current transformers, voltage transformers, seactors, magnetic screens and audio transformers.
Our Production Process For GOES Transformer Lamination Core
Lamination Prototype - Laser Cutting & Wire Cutting
We provide fast prototyping services for transformer laminations using grain oriented electrical steel. Both laser cutting and wire cutting processes are available to ensure high precision and flexibility for small-batch production.
The typical lead time is around 15 days. We can deliver loose laminations or fully assembled transformer cores based on your requirements. Our solutions are ideal for design validation, testing, and customized transformer applications.
Lamnow now provides GOES transformer lamination stamping using both progressive and compound stamping processes. The manufacturing method is selected based on your production volume and technical requirements.
Compound stamping is suitable for small quantities and loose lamination delivery, offering flexibility and lower tooling cost.
Progressive stamping is ideal for high-volume production, ensuring high efficiency, consistent quality, and cost-effective manufacturing for transformer core applications.
GOES Transformer Lamination Stamping
We offer advanced bonding solutions including adhesive bonding, self-bonding (backlack), and in-die bonding to stack laminations into transformer cores.
These technologies replace traditional welding and interlocking methods, providing stronger bonding, smoother surfaces, reduced deformation, and lower core loss for high-performance transformer applications.
Transformer Lamination Stacking- Bonding Technology
Quality Control For Oriented Steel Transformer Lamination
- Incoming Material Inspection: We verify material grade, thickness, dimension, coating condition, core losses, and surface quality.
- 2D Projection: Each lamination is checked using 2D projection equipment to ensure dimensional accuracy, profile tolerance, and burr control.
- CMM Measurement: Assembled transformer cores are inspected using CMM to verify key dimensions, flatness, and positional tolerances.
Oriented Steel Transformer Lamination FAQS
Laser cutting is ideal for prototypes and small batch production, offering high flexibility without the need for tooling. It allows quick design changes and precise cutting of complex shapes.
Stamping, including progressive and compound stamping, is more suitable for mass production. It provides higher efficiency, consistent quality, and lower unit cost once tooling is established. The choice depends on quantity, tolerance requirements, and project stage.
Lamination thickness directly impacts core loss and efficiency. Thinner laminations, such as 0.10 mm or 0.23 mm, reduce eddy current loss and improve transformer performance, especially in high-frequency applications.
However, thinner materials are more challenging to process and may increase production cost. Thicker laminations, such as 0.30 mm, are more cost-effective but result in higher losses. Selecting the right thickness depends on performance requirements and budget.
C5 coating is an inorganic insulation layer applied to GOES materials. It provides excellent electrical insulation between laminations, reducing eddy current losses and improving overall efficiency.
GOES transformer laminations are widely used in power transmission and distribution, renewable energy systems such as wind and solar, industrial transformers, and high-efficiency electrical equipment.
Choose China supplier for Grain Oriented Electrical Steel transformer lamination
We offer consistent material quality, stable delivery, and support for customized requirements. Contact us for a quick quotation.
