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Stepper Motor Core
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| Stator OD | Stator ID | Rotor OD | Rotor ID | Material Thickness |
| 28mm | 17.73mm | 17.85mm | 5/6.5/7/8mm | 0.35mm |
Yuma Precision continues to develop stepper motor cores, currently there are NEMA6 / NEMA8 / NEMA12 / NEMA14 / NEMA16 / NEMA17 / NEMA23 / NEMA24 / NEMA34 and other series, providing customers with sufficient model choices.
Laminated rotor cores are typically made from electrical steel, also known as silicon electrical steel or silicon steel . This material is characterized by its high magnetic permeability and low core loss, making it ideal for applications where the motor's efficiency and performance are critical.
The steel is manufactured in thin sheets or laminations, which are then stacked and insulated from each other to reduce eddy current losses . Commonly used grades include M400-50A, each with specific properties that can affect the motor's efficiency and power density . The choice of material for the laminated rotor core can significantly influence the motor's overall performance, particularly in high-power-density applications .
The design and construction of the stator and rotor can vary depending on the type of AC motor, such as induction motors, synchronous motors, or universal motors, to optimize their performance for different applications.
