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Silicon Motor cores


Silicon motor cores

Silicon motor cores:

Motor cores(Rotor cores and Stator cores), consisting of laminated electrical steel sheets (silicon steel as the primary material), serve as the critical magnetic circuit component in electric motors, generators, and related electromagnetic devices . Their core function is to facilitate efficient energy conversion between electrical and mechanical forms while minimizing eddy current and hysteresis losses—achieved through high magnetic permeability, low iron loss properties of the material, and insulated lamination stacking . These cores are categorized into stator and rotor cores, which form the stationary and rotating magnetic structures of motors respectively . Widely adopted across key sectors, they power electric vehicle (EV) traction motors, industrial automation servo systems, household appliance compressors, renewable energy generators, and HVAC equipment, where high efficiency and torque density are paramount . The manufacturing process begins with material selection—high-grade electrical steel with controlled silicon content (up to 3.2%) and thin gauges—to optimize magnetic performance . Precision stamping follows, utilizing techniques like progressive stamping (for high-volume small parts), compound stamping (for medium-sized components), or rotary notching (for large-diameter laminations) to form stator/rotor sheets with micron-level tolerance . Post-stamping, laminations undergo deburring, insulation coating (via

spraying or dipping), and curing to prevent inter-layer short circuits . They are then stacked tightly with minimal air gaps—fixed by riveting, welding, or adhesive bonding—and subjected to annealing in a protective atmosphere (hydrogen/nitrogen) to

relieve processing stress and enhance magnetic properties . Final steps include precision machining (turning, grinding), cleaning, andcomprehensive testing (dimensional, magnetic, and insulation checks) to ensure compatibility with motor assemblies .
The material we can produce:
20JNE1200, 20JNE1500, 20CS1200, 20CS1500,35JNE210, 35JNE250, 35CS250, 35A300,50A470, 50A400, 50A350, 50A250 or as your request.


Surface treatment:

Powder coating or as your request.

Equipments:
High speed punching machines and progressive dies,laser cutting machines,wire cutting machines,welding machines.

Industry:
Silicon motor cores are used in UAV,new energy vehicles,electric toothbrushes,ships and so on.


Samples:
We’ll provide you some samples for your approving before mass production.


Lead time:
1. Less than 10pcs samples,we can finish it in 3~10 days via cutting and welding.
2. For mass production,the time for moulds is 10~30days,then we can make the cores 500~3000pcs per day.
Packaging:
Cartons and wooden case or as your requirement.
We’ll offer unique solutions to your products with competitive price, good quality and best service.




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