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Types and differences of neodymium iron boron magnets

The types of neodymium iron boron magnets mainly include:
Bonded neodymium iron boron: made by injection molding.
Sintered neodymium iron boron: made by vacuum pumping and high-temperature heating to form.
The above are the main types of neodymium iron boron magnets, which play their respective roles in different application scenarios.
The main difference between bonded neodymium iron boron and sintered neodymium iron boron lies in the process:
Process difference: Bonding neodymium iron boron is made by adding NdFeB magnetic powder to a binder, and bonding is actually injection molding; The sintering of neodymium iron boron adopts powder metallurgy technology. The melted alloy is made into powder and pressed into a compact in a magnetic field. The compact is sintered in an inert gas or vacuum to achieve densification. In order to improve the coercivity of the magnet, aging heat treatment is usually required.

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Ningbo Henghong Magnetic Industry Co., Ltd. was established in 2022, covering an area of 3000 square meters. The company is located in Ningbo, Zhejiang, one of the three major bases for NdFeb magnetic materials in China. Tongjiaosi Industrial Park, Yunhu Town, Fenghua District, Ningbo City, has beautiful scenery. It is 50 kilometers east of Beilun Port International Port in Ningbo and 25 kilometers north of Lishe Airport in Ningbo, with convenient transportation. Ningbo Henghong Magnetic Industry Co., Ltd. is a professional enterprise engaged in technological innovation of high-performance permanent magnet materials. Its products are exported through independent research and development, design, production, and sales. The product is widely used in high-precision magnetic steel fields such as communication, automotive, servo motors, computers, and household appliances. Our company specializes in producing consumer electronics, Haier Beck components, high-temperature resistant magnets, etc. We have absolute technical and service advantages to provide you with.
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