Our Products
CRGO Electrical Steel Products
CRGO Mother Coils
SM Power Technology produces high-grade Cold Rolled Grain Oriented (CRGO) Mother Coils, the foundation for all electrical steel applications. These coils are manufactured using premium raw materials and advanced rolling techniques to ensure uniform grain orientation, superior magnetic properties, and minimal core losses. Each coil undergoes strict BIS and ISO-certified quality checks, guaranteeing consistent thickness, smooth surface finish, and optimal performance for transformer core production.
Key Features:
High magnetic permeability and low watt loss
Uniform grain alignment for maximum efficiency
Ideal for slitting and lamination processes
Available in multiple thicknesses (0.23 mm to 0.35 mm)
CRGO Slit Coils
Our CRGO Slit Coils are precision-cut strips derived from mother coils, tailored for transformer core assembly. Using advanced slitting machines, each strip is processed with exact dimensional accuracy and burr-free edges to maintain magnetic integrity. These coils are designed to meet the specific requirements of transformer manufacturers, ensuring ease of handling and superior electrical performance.
Key Features:
Precision slitting for tight dimensional tolerance
Burr-free edges for smooth assembly
Excellent magnetic flux density
Custom widths available for various transformer designs
CRGO Core Laminations
SMPT specializes in customized CRGO Core Laminations engineered to minimize core losses and enhance transformer efficiency. Each lamination is cut, annealed, and finished under controlled conditions to preserve magnetic properties and reduce eddy current losses. Our laminations are available in multiple grades and configurations, suitable for power, distribution, and instrument transformers.
Key Features:
High stacking factor and dimensional precision
Reduced core losses and improved energy efficiency
Custom shapes and sizes per client specifications
BIS-certified material ensuring reliability and durability
CRGO Core Assemblies
Our CRGO Core Assemblies are expertly designed and assembled for transformer manufacturers seeking ready-to-use solutions. Each assembly integrates precision-cut laminations, aligned and clamped to achieve optimal magnetic performance and mechanical stability. The process includes annealing, testing, and packing under strict quality protocols to ensure consistent performance and easy integration into transformer production lines.
Key Features:
Pre-assembled cores for faster production
High mechanical strength and magnetic efficiency
Tested for no-load loss and dimensional accuracy
Custom configurations for varied transformer capacities
Manufacturing Flow Chart
At SM Power Technology, every stage of our manufacturing process is designed for accuracy, efficiency, and quality assurance. Our advanced production flow ensures that each CRGO electrical steel product meets international standards and delivers superior performance for transformer applications.
Slitting Process
Mother coils are slit into precise strips for transformer core production.
Use automated slitting machines with burr-free cutting
Maintain tight dimensional tolerance and uniform width
Collect slit coils on pallets for further cutting
Coil Alignment
Ensures raw CRGO mother coils are properly positioned for processing.
Inspect incoming coils for surface quality and grain orientation
Align coils on specialized machinery to maintain uniform tension
Prepare for slitting with accurate positioning
Slit coils are cut into laminations tailored to transformer designs.
CNC-controlled cutting ensures accuracy and consistency
Shapes and sizes customized per client specifications
Preserve grain orientation to maximize magnetic efficiency
Cutting Process
Annealing Process
Relieves internal stresses and restores magnetic properties.
Place laminations in controlled annealing furnaces
Apply precise temperature cycles for stress relief
Enhance flux density and reduce core losses
Testing (No-Load Loss Test)
Final quality check to ensure performance and efficiency.
Conduct no-load loss testing on assembled cores
Measure watt loss and flux density with calibrated instruments
Verify compliance with BIS and ISO standards before dispatch
Gallery
Snapshots of our precision cut laminations and assembled cores
Contact Us
Reach out for quotes or product inquiries today.
Contact
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Phone
7449556677
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