Dry Grinding
m-Jet High Density Bed Jet Mill
Precision Dry Fine Grinding for Rare Earth Magnetic Powders
The NETZSCH m-Jet High Density Bed Jet Mill is specifically designed for the precise dry fine grinding of rare earth magnetic powders such as NdFeB. Its narrow particle size distribution and defined top cut ensure consistently high product quality – a crucial factor for high-performance magnets.
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Key Benefits
Precise particle size distribution with defined top cut
Inert gas operation for sensitive materials
High efficiency with independent fine adjustment via classifier wheel speed
Residue-free grinding for consistent product quality
Compact design for easy cleaning and maintenance
Gas-tight lab-scale system available for inert gas applications
Technical Features
- Grinding technology: Combination of spiral jet mill and integrated classifier wheel
- Adjustable fineness: Independent of product load, controlled by classifier speed
- Inert gas operation: Argon/N2 purge air connections for sensitive materials
- Efficient extraction: Removes difficult-to-grind components such as ductile neodymium or α-iron
- PU lining: Prevents product adhesion
Application Literature
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