High Permeability Motor Stator and Rotor Stack Silicon Steel Laminations with ±0.01 mm Tolerance and Customizable Thickness for EV Motors

Our Motor Stator and Rotor Stack Silicon Steel Laminations are high-precision electrical core components designed for electric motors, especially for Electric Vehicle (EV) drive systems, industrial motors, servo motors, and energy-efficient motor applications.

Manufactured using high-quality silicon steel sheets through advanced precision stamping and high-speed lamination stacking technology, these stator and rotor cores deliver excellent magnetic performance, low core loss, and high energy efficiency.

The stator and rotor stack plays a critical role in motor performance, directly affecting torque output, energy consumption, heat generation, and operational stability. Our lamination stacks are engineered to minimize eddy current loss and hysteresis loss, ensuring superior motor efficiency and long service life.

With advanced tooling capabilities and automated production lines, we provide high-volume manufacturing with consistent dimensional accuracy, tight tolerances, and excellent lamination alignment. We support OEM and custom motor core development based on customer drawings, performance requirements, and motor design specifications.

• High-quality silicon steel material for superior magnetic performance
• Low core loss and high energy efficiency design
• Precision stamping for consistent lamination geometry
• Excellent stacking accuracy and alignment control
• Optimized for EV motors and high-speed applications
• Reduced eddy current and hysteresis losses
• High torque density and stable motor performance
• Customizable lamination thickness and stack height
• Suitable for automated mass production
• Strong mechanical bonding for improved durability
• OEM and ODM design support available

Motor Stator and Rotor Stack laminations are widely used in modern high-efficiency electrical systems where performance, energy savings, and reliability are critical.

Electric Vehicles (EV Motors): Used in traction motors, drive motors, and hybrid electric vehicle systems, providing high torque density and improved energy efficiency.

Industrial Motors: Applied in pumps, compressors, conveyors, and automation systems requiring stable and continuous operation.

Servo Motors: Ideal for precision control systems in robotics, CNC machines, and automated manufacturing equipment.

Home Appliances: Used in washing machines, air conditioners, refrigerators, and other household motor systems.

Renewable Energy Systems: Applied in wind turbines and energy generation systems requiring efficient electromagnetic performance.

Power Tools: Used in high-speed electric drills, grinders, and cutting machines requiring durable motor cores.

We offer full OEM and ODM customization services for motor stator and rotor stack laminations.

• Silicon steel grades selection (M19, M27, etc.)
• Special alloy electrical steel options
• High-efficiency low-loss materials

• Stator inner/outer diameter design
• Rotor slot shape and number optimization
• Stack height adjustment
• Slot geometry customization

• Interlocking lamination
• Laser welding
• Riveting stacking
• Adhesive bonding

• Low noise motor design support
• High-speed rotor balancing
• Energy efficiency optimization
• Thermal performance improvement

We support customer-provided CAD drawings, samples, or motor performance requirements to develop fully optimized lamination solutions.

We provide comprehensive engineering and manufacturing support throughout the entire project lifecycle.

• Motor core design optimization (DFM)
• Material selection consultation
• Prototype development and testing
• Simulation support for magnetic performance

• Tooling design and fabrication
• Sample production
• Small batch trial production
• High-volume continuous manufacturing

• Incoming material inspection
• In-process dimensional control
• Electrical performance testing
• Final inspection and packaging verification

• Technical consultation
• Product improvement support
• Long-term supply stability
• Rapid response engineering support

We ensure safe and secure packaging to protect lamination stacks from deformation, rust, and damage during transportation.

• Anti-rust oil protection
• Vacuum packaging (optional)
• Plastic film wrapping
• Foam protection layers
• Strong export cartons
• Wooden pallet or wooden box packaging

• Express delivery (DHL, FedEx, UPS, TNT)
• Air freight for urgent orders
• Sea freight for bulk production
• Railway transportation for cost efficiency
• Customer-designated logistics partners

• Tooling Development: 20-35 days
• Sample Production: 10-20 days
• Mass Production: 25-45 days

Lead time may vary depending on complexity and order volume.