Injection molding is a common protection process for motor parts, and its main functions include:

1. Insulation protection: Injection molding provides effective insulation protection for the iron core. This helps prevent the core from coming into direct contact with moisture, dust, and other contaminants in the external environment, thereby preventing degradation of the insulation of the motor components.

2. Anti-corrosion: Injection molding can prevent the iron core surface from being corroded to a certain extent. This is especially important for motors that are used in wet environments or harsh weather conditions to extend the life of the core.

3. Mechanical protection: Injection molding can provide additional mechanical protection to protect the core from external shock and vibration. This helps prevent deformation or damage to the core and improves the durability and reliability of the motor.

4. Reduce noise and vibration: Injection molding has a certain sound absorption and buffering effect, which helps to reduce the noise and vibration generated during the operation of the motor and improve the operation stability of the motor.

5. Improve the insulation performance: The injection molding encapsulating material itself usually has good insulation performance, so it can improve the overall insulation performance of the motor and reduce the risk of insulation breakdown.

6. Environmental protection requirements: Some injection molding materials have environmental protection characteristics and can meet relevant environmental protection standards and regulations to ensure that the motor has no adverse impact on the environment during use.

Generally speaking, the function of injection molding is to comprehensively protect, insulate and improve the overall performance of the motor, making it more suitable for operation in different environments and working conditions. This process is usually used for iron core protection in motors, transformers and other equipment to ensure long-term stable operation of the equipment.

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