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Contact: William Chang
Company: Hangzhou Vector Magnets Co., Ltd
6-1A, 88 Jiangling Rd, Binjiang
Hangzhou 310051
Phone: +8657156668956
Fax: +8657156668957
E-Mail: Send Inquiry
Date/Time:  8/17/16 1:32 GMT

Bonded NdFeB Magnet

In the 70s,Bonded NdFeB magnets came to being when SmCo magnets started to get
commercialised. Bonded NdFeB magnets are strong magnets which are used for
various applications. They are manufactured by binding rapid-quenching NdFeB
powde mixed with resin to form a magnet by compression molding with epoxy or
injection molding with nylon. The latter technique is particular effective in
large volume production, though the magnetic value of products is lower than
those made with compression molding because of their relatively lower density.
Bonded NdFeB is easily machined. Coolants must be used while machining this
material in order to avoid spontaneous combustion of powder. Machining this
material removes a layer of protective coating, and re-coating for corrosion
resistance may be necessary. Various shapes of high dimensional accuracy can be
produced without further processing. Epoxy coating is mostly common used for
bonded NdFeB magnets, nickel-plating is also used to prevent corrosion.Confined
by its physical property, Sintered magnets are not always available for
irregular shapes required in fine machining. Moreover, sintered magnets were
easy to crack,break, chip and not easy for assembling. Bonded NdFeB magnet is
the mixture of pulverised magnet powder and melted plastic and moulded in a
magnetic field.

Minimum Order: 1 pieces

Bonded NdFeB Magnet
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SOURCE: Import-Export Bulletin Board (
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