The superior of bonded neodymium magnets

Bonded neodymium magnets around when the SmCo has reached commercialization in the 1970s.

Bonded neodymium magnets appeared when the market of Sintered neodymium magnets is good, but difficult to make into special shapes, and in the process prone to cracking, breakage, out side, off angle and so on, also easy to assemble, so its application is limited. To solve this problem, the neodymium magnet has been crushed , and mixed with plastic, pressing in a magnetic field, which is probably the most primitive of the bonded magnet manufacturing methods.

Bonded NdFeB magnets are widely used due to low cost, high dimensional accuracy, shape large degree of freedom, good mechanical strength, light weight, etc. and annual growth 35%. Since the emergence of NdFeB magnet powder, due to its high magnetic properties, so flexible bonded magnets made a rapid development.

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