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Compression Molded Neodymium Magnets, Compression Molding NdFeB Magnets, Bonded Neodymium Iron Boron Magnets, Bonded neodymium compression permanent magnet, Isotropic or Anisotropic magnets China supplier
Compression Molded Neodymium Magnets Feature:
Part No.: BNMPC-19
Composite: Neodymium Magnet
Application: Motors, Devices, Printers, Sensors, CD/DVD ROM and so on.
Packing: cartons / pallets
Delivery Date: 10-18 days
Place of Origin: Zhejiang, China (Mainland)
Means of Transport: Ocean, Air
Production Capacity: 10,000 pc per day
Compression bonded magnets are available using many isotropic neodymium iron boron material grades as well as crushed & powdered samarium cobalt materials. Combinations of different material grades may also be used to create specific magnetic characteristics. Compression bonded magnets offers higher magnetic strength than injection molded magnets due to their higher magnetic particle density, but are limited to simpler geometries. The epoxy binder used is resistant to normal industrial solvent and automotive fluids. To reduce corrosion of the rare earth magnetic materials, they are further coated with epoxy after shaping. The normal application temperatures range from below -40°C to above 165°C.
Compression bonding is most appropriate for relatively simple geometries due to limitations of the compaction process. The tooling costs for compression bonding is comparatively low, making it a better choice than injection molding where volumes are small. However, with modest automation, compression bonding can also be adopted for high volume manufacturing, with volumes upto millions of pieces per year.
Composition of NdFeB powder and plastic material
Can be produced into varous kinds of sizes and shapes
Good stability and can be coated with resin
Widely application in auto. Electronics, and many other fields
Production Flow Chart for Compression Bonded NdFeB
Raw material (Mainly NdFeB powder and binder) preparation—Blending NdFeB powder and binder—Compaction molding—Machining—Surfacetreatment—Magnetizing—Final inspection—Packing—Warehousing
Production Flow Chart for Injection Bonded NdFeB
Raw material (Mainly NdFeB powder and binder) preparation—Blending NdFeB powder and binder—Injection molding—Machining—Surface treatment—Magnetizing—Final inspection—Packing—Warehousing