Neodymium Magnets Package
2 year ago
What's Neodymium Magnet?
Sintered Neodymium Magnet are a type of permanent magnet made by mixing magnetic powder with a non-magnetic binder, such as epoxy or nylon, and then pressing the mixture into a desired shape. The magnetic powder used in bonded Nd-Fe-B magnets is typically made of neodymium-iron-boron (Nd-Fe-B), which is a very strong magnetic material. The binder helps to hold the magnetic particles together and also provides some protection against corrosion. Bonded Nd-Fe-B magnets are often used in applications where a strong magnetic field is required, such as in electric motors, sensors, and speakers. They are also known for their high resistance to demagnetization.
The production process of neodymium magnets involves several steps:
1. Raw material preparation: The raw materials used in the production of neodymium magnets are neodymium, iron, and boron. These materials are first prepared and mixed in the correct proportions.
2. Melting: The mixed raw materials are melted in a furnace at high temperatures of up to 1500°C.
3. Casting: The molten mixture is then poured into a mold to form a solid block.
4. Grinding: The solid block is then ground into a fine powder using a ball mill.
5. Pressing: The powder is then pressed into a compact shape using a hydraulic press.
6. Sintering: The compacted powder is then sintered in a furnace at high temperatures of up to 1200°C. This process helps to fuse the powder particles together to form a solid magnet.
7. Machining: The sintered magnet is then machined into the desired shape and size using various cutting tools.
8. Coating: Finally, the magnet is coated with a protective layer to prevent corrosion and damage.
The entire production process of neodymium magnets is complex and requires a high level of precision and expertise.
Neodymium magnets are a type of rare-earth magnet, which are the strongest permanent magnets available. They are made from an alloy of neodymium, iron, and boron and have a very high magnetic energy density. They are commonly used in motors, generators, and speakers.
Permanent ferrite magnets, also known as ceramic magnets, are made from a composite of iron oxide and barium or strontium carbonate. They are less powerful than neodymium magnets but are more affordable and have good resistance to corrosion. They are commonly used in refrigerator magnets, loudspeakers, and small electric motors.
In summary, neodymium magnets are stronger and more expensive than permanent ferrite magnets, which are more affordable and have good resistance to corrosion. The choice between the two depends on the specific application and magnetic strength required.
Sintered Neodymium Magnets:
|
Technical data of sintered NdFeb |
||||||||||
|
Material |
Grade |
Remanence |
Coercive Force |
Intrinsic Coercive |
Maximum Energy product |
Maximum working temp |
||||
|
Br |
Hcb |
Hcj |
(BH)max |
Tw |
||||||
|
mT |
kGs |
kA/m |
kOe |
kA/m |
kOe |
Kj/m3 |
MGOe |
（℃） |
||
|
Sintered NdFeb
|
N28 |
1040-1090 |
10.4-10.9 |
796 |
10.0 |
955 |
12.0 |
199-223 |
25-26 |
80 |
|
N30 |
1080-1130 |
10.8-11.3 |
796 |
10.0 |
955 |
12.0 |
223-247 |
28-31 |
80 |
|
|
N33 |
1130-1170 |
11.3-11.7 |
836 |
10.5 |
955 |
12.0 |
247-271 |
31-34 |
80 |
|
|
N35 |
1170-1220 |
11.7-12.2 |
868 |
10.9 |
955 |
12.0 |
263-287 |
33-36 |
80 |
|
|
N38 |
1220-1250 |
12.2-12.5 |
899 |
11.3 |
955 |
12.0 |
287-310 |
36-39 |
80 |
|
|
N40 |
1250-1280 |
12.5-12.8 |
923 |
11.6 |
955 |
12.0 |
302-326 |
38-41 |
80 |
|
|
N42 |
1280-1320 |
12.8-13.2 |
923 |
11.6 |
955 |
12.0 |
318-342 |
40-43 |
80 |
|
|
N45 |
1320-1370 |
13.2-13.7 |
876 |
11.0 |
955 |
12.0 |
342-366 |
43-46 |
80 |
|
|
N48 |
1370-1420 |
13.7-14.2 |
892 |
11.2 |
955 |
12.0 |
366-390 |
46-49 |
80 |
|
|
N50 |
1390-1440 |
13.9-14.4 |
836 |
10.5 |
955 |
12.0 |
374-406 |
47-51 |
80 |
|
|
N52 |
1420-1470 |
14.2-14.7 |
836 |
10.5 |
876 |
11.0 |
390-422 |
49-53 |
60 |
|
|
N30M |
1080-1130 |
10.8-11.3 |
796 |
10.0 |
1114 |
14.0 |
223-247 |
28-31 |
100 |
|
|
N33M |
1130-1170 |
11.3-11.7 |
836 |
10.5 |
1114 |
14.0 |
247-271 |
31-34 |
100 |
|
|
N35M |
1170-1220 |
11.7-12.2 |
868 |
10.9 |
1114 |
14.0 |
263-287 |
33-36 |
100 |
|
|
N38M |
1220-1250 |
12.2-12.5 |
899 |
11.3 |
1114 |
14.0 |
287-310 |
36-39 |
100 |
|
|
N40M |
1250-1280 |
12.5-12.8 |
923 |
11.6 |
1114 |
14.0 |
302-326 |
38-41 |
100 |
|
|
N42M |
1280-1320 |
12.8-13.2 |
955 |
12.0 |
1114 |
14.0 |
318-342 |
40-43 |
100 |
|
|
N45M |
1320-1370 |
13.2-13.7 |
995 |
12.5 |
1114 |
14.0 |
342-366 |
43-46 |
100 |
|
|
N48M |
1360-1420 |
13.6-14.2 |
1019 |
12.8 |
1114 |
14.0 |
358-390 |
46-49 |
100 |
|
|
N50M |
1390-1440 |
13.9-14.4 |
1035 |
13.0 |
1114 |
14.0 |
374-406 |
47-51 |
100 |
|
|
N52M |
1420-1470 |
14.2-14.7 |
995 |
12.5 |
1035 |
13.0 |
390-422 |
49-53 |
90 |
|
|
N30H |
1080-1130 |
10.8-11.3 |
796 |
10.0 |
1353 |
17.0 |
223-247 |
28-31 |
120 |
|
|
N33H |
1130-1170 |
11.3-11.7 |
836 |
10.5 |
1353 |
17.0 |
247-271 |
31-34 |
120 |
|
|
N35H |
1170-1220 |
11.7-12.2 |
868 |
10.9 |
1353 |
17.0 |
263-287 |
33-36 |
120 |
|
|
N38H |
1220-1250 |
12.2-12.5 |
899 |
11.3 |
1353 |
17.0 |
287-310 |
36-39 |
120 |
|
|
N40H |
1250-1280 |
12.5-12.8 |
923 |
11.6 |
1353 |
17.0 |
302-326 |
38-41 |
120 |
|
|
N42H |
1280-1320 |
12.8-13.2 |
955 |
12.0 |
1353 |
17.0 |
318-342 |
40-43 |
120 |
|
|
N45H |
1320-1370 |
13.2-13.7 |
971 |
12.2 |
1353 |
17.0 |
342-366 |
43-46 |
120 |
|
|
N48H |
1360-1420 |
13.6-14.2 |
1027 |
12.9 |
1353 |
17.0 |
358-390 |
45-49 |
120 |
|
|
N50H |
1390-1440 |
13.9-14.4 |
1035 |
13.0 |
1274 |
16.0 |
374-406 |
47-51 |
110 |
|
|
N30SH |
1080-1130 |
10.8-11.3 |
804 |
10.1 |
1592 |
20.0 |
223-247 |
28-31 |
150 |
|
|
N33SH |
1130-1170 |
11.3-11.7 |
844 |
10.6 |
1592 |
20.0 |
247-271 |
31-34 |
150 |
|
|
N35SH |
1170-1220 |
11.7-12.2 |
876 |
11.0 |
1592 |
20.0 |
263-287 |
33-36 |
150 |
|
|
N38SH |
1220-1250 |
12.2-12.5 |
907 |
11.4 |
1592 |
20.0 |
287-310 |
36-39 |
150 |
|
|
N40SH |
1250-1280 |
12.5-12.8 |
939 |
11.8 |
1592 |
20.0 |
302-326 |
38-41 |
150 |
|
|
N42SH |
1280-1320 |
12.8-13.2 |
971 |
12.2 |
1592 |
20.0 |
318-342 |
40-43 |
150 |
|
|
N45SH |
1320-1370 |
13.2-13.7 |
979 |
12.3 |
1592 |
20.0 |
342-366 |
43-46 |
150 |
|
|
N48SH |
1360-1420 |
13.6-14.2 |
995 |
12.5 |
1512 |
19.0 |
358-390 |
45-49 |
140 |
|
|
N28UH |
1020-1080 |
10.2-10.8 |
764 |
9.6 |
1990 |
25.0 |
207-231 |
26-29 |
180 |
|
|
N30UH |
1080-1130 |
10.8-11.3 |
812 |
10.2 |
1990 |
25.0 |
223-247 |
28-31 |
180 |
|
|
N33UH |
1130-1170 |
11.3-11.7 |
852 |
10.7 |
1990 |
25.0 |
247-271 |
31-34 |
180 |
|
|
N35UH |
1170-1220 |
11.7-12.2 |
860 |
10.8 |
1990 |
25.0 |
263-287 |
33-36 |
180 |
|
|
N38UH |
1220-1250 |
12.2-12.5 |
876 |
11.0 |
1990 |
25.0 |
287-310 |
36-39 |
180 |
|
|
N40UH |
1250-1280 |
12.5-12.8 |
915 |
11.5 |
1990 |
25.0 |
302-326 |
38-41 |
180 |
|
|
N42UH |
1270-1320 |
12.7-13.2 |
971 |
12.2 |
1990 |
25.0 |
310-342 |
39-43 |
180 |
|
|
N28EH |
1040-1090 |
10.4-10.9 |
780 |
9.8 |
2388 |
30.0 |
207-231 |
26-29 |
200 |
|
|
N30EH |
1080-1130 |
10.8-11.3 |
812 |
10.2 |
2388 |
30.0 |
223-247 |
28-31 |
200 |
|
|
N33EH |
1130-1170 |
11.3-11.7 |
820 |
10.3 |
2388 |
30.0 |
247-271 |
31-34 |
200 |
|
|
N35EH |
1170-1220 |
11.7-12.2 |
836 |
10.5 |
2388 |
30.0 |
263-287 |
33-36 |
200 |
|
|
N38EH |
1220-1250 |
12.2-12.5 |
915 |
11.5 |
2388 |
30.0 |
279-310 |
35-39 |
200 |
|
|
N28AH |
1020-1090 |
10.2-10.9 |
780 |
9.8 |
2706 |
34.0 |
199-231 |
25-29 |
200 |
|
|
N30AH |
1070-1130 |
10.7-11.3 |
812 |
10.2 |
2706 |
34.0 |
215-247 |
27-31 |
200 |
|
|
N33AH |
1110-1170 |
11.1-11.7 |
836 |
10.5 |
2706 |
34.0 |
239-271 |
30-34 |
200 |
|
Neodymium Magnets package details:
Similar Video Recommendation
You May Also Like
If you are interested in the product, contact Bossgoovideo.com for more information
- *To:
- HU NAN YUBANG MAGNETIC MATERIAL CO.,LTD
- *Message:
-
Submit
Main Product:
Permanent Ferrite Magnets,
Isotropic Ferrite Magnets,
Anisotropic Ferrite Magnets ,
Anisotropic Ferrite Magnet Rotor,
Isotropic Multipole Magnetic Rotor,
Sintered Neodymium Magnets
You May Also Like