permanent motor magnet from China manufacturer - Ningbo Able Magnetic Co., Ltd.

Price:	10.0 USD
Payment Terms:	T/T,L/C,WU
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Means of Transport: Ocean,Land,Air

Packing: As your requirements

Application: Motor Magnet

Type: Permanent

Brand Name: Able Magnet

Coating: Zn, Ni, Ni-Cu-Ni, Epoxy, CR...

Port of loading: Ningbo

Production Capacity: 90,000,000 pcs/month

Delivery Date: 3-25 days

Shape: Block

Composite: Neodymium Magnet

Main Market: Worldwide

Shapes and sizes: Various kinds or according ...

Applications: sensors, motors, rotors, wi...

Magnet block is the most permanent magnet in the contemporary. Due to it have good remanence, coercivity and high performance,

product name: Sintered Neodymium Block magnet

Detailed Product Description

Relatively low cost ;
poor resistance to corrosion and should have a coating ;
Very high strength;
can replace SmCo magnets

Sintered neodymium-iron-boron (Nd-Fe-B) magnets are the most powerful commercialized permanent magnets available today, with maximum energy product ranging from 35 MGOe to 52 MGOe. Nd-Fe-B is the third generation of permanent magnet developed in the 1980s. It has a combination of very high remanence and coercivity, and comes with a wide range of grades, sizes and shapes. With its excellent magnetic characteristics, abundant raw material and relatively low prices, Nd-Fe-B offers more flexibility in designing of new or replace the traditional magnet materials such as ceramic, Alnico and Sm-Co to achieve high efficiency, low cost and more compact devices.

Neodymium magnets are the most powerful commercially produced magnets.
NdFeB magnets have a higher Maximum Energy Product, (BH).max, which can easily reach 30 MGOe and even goes up to 50 MGOe.
NdFeB magnets can replace SmCo magnets in most cases, especially where operating temperature is less than 80 degrees Centigrade.
Very high strength.
Relatively low cost.
Compared to Alnico and SmCo magnets, relatively easy to machine.

Quick Leads

Manufacturing process - sintering (most common), injection molding, and compression bonding.
Shapes available - blocks, bars, discs, rings, cylinders, arc segments, or irregular shapes, etc.
Wide range of Grades available- from about 3330 to 5311. (First 2 digits represent BH.max, and second two digits represent Intrinsic Coercivity, Hci.)
Density: 7.4 -7.6 g/ cm³; Hardness: 600 {Hv}
Some particular grades can achieve 200°c the max working temperature.
Saturation magnetizing field required - about 35kOe
Machining - Neodymium magnets should be machined by grinding using diamond wheels, however, of the hard magnet materials, Neo magnets are the least difficult to machine. We can successfully machine very small magnets.

Magnetic characteristics of sintered NdFeb
(Br) (bHc) (iHc) (BH)max
GRADE Tw °C
T KGs KA/m KOe KA/m KOe KJ/m3 MGOe

N35M 1.18-1.23 11.8-12.3 ≥868 ≥10.9 ≥1114 ≥14 263-287 33-36 ≤100
N38M 1.22-1.28 12.2-12.8 ≥899 ≥11.3 ≥1114 ≥14 287-310 36-39 ≤100
N40M 1.26-1.31 12.6-13.1 ≥923 ≥11.6 ≥1114 ≥14 302-326 38-41 ≤100
N42M 1.28-1.34 12.8-13.4 ≥923 ≥11.6 ≥1114 ≥14 318-342 40-43 ≤100
N45M 1.34-1.39 13.4-13.9 ≥876 ≥11.0 ≥1114 ≥14 342-366 43-46 ≤100
N48M 1.36-1.42 13.6-14.2 ≥876 ≥11.0 ≥1114 ≥14 366-390 46-49 ≤100
N35H 1.18-1.23 11.8-12.3 ≥868 ≥10.9 ≥1353 ≥17 263-287 33-36 ≤120
N38H 1.22-1.28 12.2-12.8 ≥899 ≥11.3 ≥1353 ≥17 287-310 36-39 ≤120
N40H 1.26-1.31 12.6-13.1 ≥923 ≥11.6 ≥1353 ≥17 302-326 38-41 ≤120
N42H 1.28-1.34 12.8-13.4 ≥923 ≥11.6 ≥1353 ≥17 318-342 40-43 ≤120
N45H 1.33-1.39 13.3-13.9 ≥923 ≥11.6 ≥1353 ≥17 342-366 43-46 ≤120
N48H 1.36-1.42 13.6-14.2 ≥923 ≥11.6 ≥1274 ≥16 366-390 46-49 ≤120
N33SH 1.14-1.19 11.4-11.9 ≥836 ≥10.5 ≥1592 ≥20 247-270 31-34 ≤150
N35SH 1.18-1.23 11.8-12.3 ≥868 ≥10.9 ≥1592 ≥20 263-287 33-36 ≤150
N38SH 1.22-1.28 12.2-12.8 ≥899 ≥11.3 ≥1592 ≥20 287-310 36-39 ≤150
N40SH 1.26-1.31 12.6-13.1 ≥923 ≥11.6 ≥1592 ≥20 302-326 38-41 ≤150
N42SH 1.28-1.34 12.8-13.4 ≥923 ≥11.6 ≥1592 ≥20 318-342 40-43 ≤150
N45SH 1.33-1.39 13.3-13.9 ≥923 ≥11.6 ≥1592 ≥20 342-366 43-46 ≤150

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