Monte-Bianco Magnets Co., Ltd.
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Sintered NdFeB Magnets Square Countersunk Holes Magnets Block
Neodymium (NdFeB) permanent magnet is composed of neodymium, iron, boron and a few transition metals. It has many advantages like high coercive force, high energy, high performance/ cost ratio and can be easily formed into various shapes and widely used in many fields such as aviation, electronics, instruments, meters, DC motors, Liner motors, MRI, medical and health products.
There are many levels of NdFeB magnets
| grade | Max Operating Temperature | grade | Max Operating Temperature |
| N30-N54 | 80℃(176℉) | N30UH-N45UH | 180℃(356℉) |
| N30M-N52M | 100℃(212℉) | N30EH-N38EH | 200℃(392℉) |
| N30H-N52H | 120℃(248℉) | N32AH | 220℃(428℉) |
| N30SH-N45SH | 150℃(302℉) |
Process flow: batching → melting and ingot making/strip throwing → powder making → molding → sintering and tempering → magnetic testing → grinding processing → pin cutting processing → electroplating → finished product. The ingredients are the foundation, and sintering and tempering are the key.
Production tools and performance testing tools for Nd-Fe-B magnet blanks: smelting furnace, belt throwing furnace, jaw crusher, air flow mill, press forming machine, vacuum packaging machine, isostatic press, sintering furnace, heat treatment Vacuum furnace, magnetic property tester, Gauss meter.
Neodymium iron boron magnet machining tools: centerless grinding, rounding machine, double end grinding, flat grinding, slicing machine, double-sided grinding, wire cutting, bench drill, irregular grinding, etc.
