Analysis of key factors in magnetizer selection

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Choosing the right magnetizer requires comprehensive consideration of a number of key factors and cannot be determined by a single parameter alone. Correct selection is not only related to the magnetizing effect, but also directly affects the service life and productivity of the equipment.

When selecting a model, you need to focus on the following areas:

1. Magnetic field strength requirement: this is the most central parameter. The magnetic field strength of the magnetizer must reach 3-5 times of the endowed coercivity of the magnetized material in order to achieve saturation magnetization. For example, NdFeB material usually needs more than 1T magnetic field strength.

2. Capacitance capacity and magnetizing voltage: Capacitance capacity determines the magnetizing energy and magnetizing voltage determines the magnetic field strength. The formula for calculating the magnetizing energy is: E = 0.5 × C × V², where C is the capacitance capacity and V is the magnetizing voltage.

3. Coil Size: The coil size must match the product being magnetized, too large or too small will affect the magnetizing effect. Generally, the inner diameter of the coil is slightly larger than the product size to ensure uniform coverage of the magnetic field.

4. Production efficiency requirements: Different models of magnetizers have different working cycles, ranging from 1.6 to 6 seconds. It is necessary to choose the appropriate equipment according to the production beat.

5. Safety performance: the magnetizer involves high-voltage operation and must have perfect safety protection functions, including over-current, over-voltage and over-temperature protection.

JiuJu magnetizer has rich experience in selection, its professional technical team can provide personalized selection plan according to the specific needs of customers. JiuJi magnetizers use imported core components, such as rectifier modules from Toshiba, Japan, and thyristors from ABB, to ensure the stability and reliability of the equipment. When selecting a magnetizer, it is recommended to provide the manufacturer with detailed product parameters, including the type of material, size specifications, magnetic performance requirements, etc., and JiuJi's technical staff will provide the most suitable equipment configuration recommendations based on this information.

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