Jinyu Magnet (Ningbo) Co., Ltd.
Model No.: bonded magnet
Application: Speaker Magnet, Industrial Magnet, Motor Magnet, Solenoid
Coating: Black Epoxy
Packaging: Carton box size: 35cm*25cm*15cm
Place of Origin: NINGBO/CHINA
Supply Ability: 50000pcs/month
Certificate: ISO 9001:2008
HS Code: 85051110
Bonded magnet materials can be made from Ceramic, NdFeB, or SmCo powders which are combined with a variety of plastic binders (Matrix). They can be either Injection Molded or Compression Bonded into complex magnet shapes with finished dimensions. Bonded magnet materials have a moderate resistance to corrosion and a low tolerance to heat because of the binder material. Bonded magnet materials are commonly used in automotive parts because they lend themselves to large production quantities and complex shape can be produced at a low cost.
In contrast to sintered magnets, for plastic bonded pressed magnets are already considerably more delicate shapes producable. So, for example thin-walled rings with Ø 27 x Ø 24 x 30 mm and diameter tolerances of only approx. ±0,05 mm can be produced. Normally afterwards no mechanical machining is needed. In the case of very high demands the magnets can however also be grinded to tigther tolerances.
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