MPV Starter Motor Magnet

Designed for Multi-Purpose Vehicles where smooth operation and passenger comfort are key, our MPV starter motor magnet prioritizes high efficiency and minimal vibration and noise (NVH). We utilize anisotropic Strontium Ferrite material, enhanced with precise additions of Cobalt Oxide (CoO) and Zinc Oxide (ZnO). This optimized formula grants the MPV starter motor magnet high magnetic permeability while simultaneously achieving low magnetic loss characteristics.

The production begins with a co-precipitation method for raw material preparation, ensuring exceptional chemical composition homogeneity. The Fe₂O₃ content is tightly controlled between 68-72%, and SrO between 13-15%. We employ injection molding technology for forming, using a specialized binder system constituting 15-18% of the mix. A carefully calibrated debinding process gradually removes this binder before final sintering at 1260°C.

A standout feature is the unique double-arc design engineered using CAD/CAM technology. This precision design ensures an optimal fit between the magnet and the motor stator, minimizing air gaps and controlling the assembly gap to within 0.05mm. This precise fit is crucial for smooth operation. Furthermore, these magnets undergo rigorous NVH testing. Using laser vibrometers for vibration analysis, we ensure the vibration amplitude during motor operation is kept below 0.03mm, and operating noise is reduced to levels below 60 dB.

Manufactured on automated production lines, each MPV starter motor magnet undergoes 100% inspection via machine vision systems. This guarantees impeccable surface quality and dimensional consistency, with tolerances held within ±0.03mm. Choose our MPV starter motor magnet for a blend of efficient performance, remarkably quiet operation, and assured quality, contributing to a more comfortable and refined driving experience.

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