Engineering Vehicle Starter Motor Magnet
Designed for the most demanding applications in construction, mining, and agricultural machinery, our engineering vehicle starter motor magnet is built to withstand extreme operating conditions, including intense vibration, shock, and environmental contaminants. We employ a special composite ferrite material, enhanced with additives like Zirconium Oxide (ZrO₂) and Titanium Oxide (TiO₂).
Product Introduction
Engineering vehicles, including construction, mining, and agricultural machinery, demand starter motor magnets capable of withstanding extreme operating conditions such as high vibration, mechanical shock, and exposure to dust and moisture.
The magnet is manufactured from a composite ferrite material, with carefully controlled additions of zirconium oxide and titanium oxide.
This combination provides high magnetic performance along with enhanced mechanical strength.
Raw materials are processed using a chemical co-precipitation method, allowing precise control over pH and reaction temperature to produce uniform nano-scale precursor powders.
Forming is performed using cold isostatic pressing at pressures up to 250 MPa, ensuring homogeneous density throughout the compact and reducing weak points.
Sintering is conducted via Hot Isostatic Pressing (HIP) at 1280°C under an argon atmosphere with 50 MPa applied pressure. This produces a near-theoretical dense microstructure, eliminating porosity and maximizing magnetic output and structural robustness.
Magnetization uses a multi-stage pulsed field process, applying a 4T field with 20 ms pulse width to ensure complete magnetic saturation.
These magnets are rated IP68 through specialized encapsulation, effectively preventing ingress of dust and moisture. Anti-vibration performance is optimized via finite element analysis, allowing them to withstand shock loads up to 25G for operation on rough terrain.
High-temperature resistant epoxy resin encapsulation allows an extended operating range from –55°C to 220°C, ensuring reliable performance under extreme environmental conditions.
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