Cylindrical NdFeB can be applied in magnets for speakers, doors, receivers, microphones, alerters, servo motors, mini-motors, vibrating motors, magnetic vacuum circuit breakers, instrumental meters, space instruments, GPS of Shenzhou VII and security devices.
It can also be used for magnetic separation, magnetic lifters, magnetic sucking discos, magnetic valves, magnetic drivers, magnetic bearing.
Ube Magnets is similar as Ring Magnets, one popular shape of Rare earth magnets and perment magnets.
It is always manufactured via Cutting,Slicing,Drilling, and grinding etc .Ring magnets have the following important factors such as ,Outer Diameter,Inner Diameter,Height etc
It can also be used for magnetic separation, magnetic lifters, magnetic sucking discos, magnetic valves, magnetic drivers, magnetic bearing.
Ube Magnets is similar as Ring Magnets, one popular shape of Rare earth magnets and perment magnets.
It is always manufactured via Cutting,Slicing,Drilling, and grinding etc .Ring magnets have the following important factors such as ,Outer Diameter,Inner Diameter,Height etc
Our factory produce and manufacture magnets according to customer's design on shape, dimension, grades, coatings etc.
To offer you our tube magnets price,please offer the following details :
Magnets grade :from N35 To N50 ,from N Series to UH Series.
Magnets size : Outer Diameter,Inner Diameter,Height
Magnetism direction :which direction to oriented The north pole and south pole
Magnets coating :Nickel ,Zn,Black Epoxy,Ag,Au Etc.
Quantities: More mass order quantities. More Lower the prices. Original factory .
To offer you our tube magnets price,please offer the following details :
Magnets grade :from N35 To N50 ,from N Series to UH Series.
Magnets size : Outer Diameter,Inner Diameter,Height
Magnetism direction :which direction to oriented The north pole and south pole
Magnets coating :Nickel ,Zn,Black Epoxy,Ag,Au Etc.
Quantities: More mass order quantities. More Lower the prices. Original factory .
Speaker magnets,which are used in loudspeaker and sound devices.
Such as D13*D10*1mm,N42 Magnets .Cr3+Zn etc.
Such as D13*D10*1mm,N42 Magnets .Cr3+Zn etc.
Product Description
Neodymium-iron-boron magnet is one kind of the permanent magnets.
Material Grade of NdFeB magnets:
Magnet N-( N35, N38, N40, N42, N45, N48, N50,N52),
Magnet M-(35M, 38M, 40M, 42M, 45M, 48M),
Magnet H-(35H, 38H, 40H, 42H, 45H),
Magnet SH-(30SH, 33SH, 35SH, 38SH, 40SH, 42SH),
Magnet UH-( 28UH, 30UH, 33UH, 35UH, 38UH),
Magnet EH-(28EH, 30EH, 30EH, 33EH, 35EH)
Magnetic Properties of Sintered NdFeB Magnets
Speaker magnets
1) Application of NdFeB magnet: Toys, package, Printer, Switchboard, Phone, voice coil motors (VCM's) in hard disk drives, high performance motors, brushless DC motors, magnetic separation, magnetic resonance imaging, sensors, loudspeakers etc.
2) The coating of NdFeB magnets can be Zn, Ni, Ni-Cu-Ni, Epoxy, CR3+ZN, NI+AG, NI+AU.
3) Our factory can also manufacture various sizes of NdFeB magnet, according to the customer's specification
Neodymium-iron-boron magnet is one kind of the permanent magnets.
Material Grade of NdFeB magnets:
Magnet N-( N35, N38, N40, N42, N45, N48, N50,N52),
Magnet M-(35M, 38M, 40M, 42M, 45M, 48M),
Magnet H-(35H, 38H, 40H, 42H, 45H),
Magnet SH-(30SH, 33SH, 35SH, 38SH, 40SH, 42SH),
Magnet UH-( 28UH, 30UH, 33UH, 35UH, 38UH),
Magnet EH-(28EH, 30EH, 30EH, 33EH, 35EH)
Magnetic Properties of Sintered NdFeB Magnets
| Grade | Max. Energy Product | Remanence | Coercive Force | Rev. Temp. Coeff. | Curie Temp. | Working Temp. | ||||||
| (BH)max | Br | Hc | Hci | Bd | Hd | Tc | Tw | |||||
| MGOe | kJ/m3 | kG | mT | kOe | kA/m | kOe | kA/m | %/oC | %/oC | oC | oC | |
| N33 | 31-33 | 247-263 | 11.30-11.70 | 1130-1170 | >10.5 | >836 | >12 | >955 | -0.12 | -0.60 | 310 | 80 |
| N35 | 33-36 | 263-287 | 11.70-12.10 | 1170-1210 | >10.9 | >868 | >12 | >955 | -0.12 | -0.60 | 310 | 80 |
| N38 | 36-39 | 287-310 | 12.10-12.50 | 1210-1250 | >11.3 | >899 | >12 | >955 | -0.12 | -0.60 | 310 | 80 |
| N40 | 38-41 | 302-326 | 12.50-12.80 | 1250-1280 | >11.6 | >923 | >12 | >955 | -0.12 | -0.60 | 310 | 80 |
| N42 | 40-43 | 318-342 | 12.80-1320 | 1280-1320 | >11.6 | >923 | >12 | >955 | -0.12 | -0.60 | 310 | 80 |
| N45 | 43-46 | 342-366 | 13.20-13.80 | 1320-1380 | >11.0 | >876 | >12 | >955 | -0.12 | -0.60 | 310 | 80 |
| N48 | 46-49 | 366-390 | 13.80-14.20 | 1380-1420 | >10.5 | >835 | >11 | >876 | -0.12 | -0.60 | 310 | 80 |
| N30M | 28-32 | 223-255 | 10.90-11.70 | 1090-1170 | >10.2 | >812 | >14 | >1114 | -0.12 | -0.59 | 320 | 100 |
| N33M | 31-35 | 247-279 | 11.40-12.20 | 1140-1220 | >10.7 | >851 | >14 | >1114 | -0.12 | -0.59 | 320 | 100 |
| N35M | 33-37 | 263-294 | 11.80-12.50 | 1180-1250 | >11.0 | >875 | >14 | >1114 | -0.12 | -0.59 | 320 | 100 |
| N38M | 36-40 | 286-318 | 12.30-13.00 | 1230-1300 | >11.5 | >915 | >14 | >1114 | -0.12 | -0.59 | 320 | 100 |
| N40M | 38-42 | 302-334 | 12.60-13.20 | 1260-1320 | >11.8 | >939 | >14 | >1114 | -0.12 | -0.59 | 320 | 100 |
| N42M | 40-44 | 318-350 | 13.00-13.50 | 1300-1350 | >12.0 | >955 | >14 | >1114 | -0.12 | -0.59 | 320 | 100 |
| N45M | 42-46 | 334-366 | 13.20-13.80 | 1320-1380 | >12.2 | >971 | >14 | >1114 | -0.12 | -0.59 | 320 | 100 |
| N33H | 31-34 | 247-271 | 11.30-11.70 | 1130-1170 | >10.5 | >836 | >17 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
| N35H | 33-36 | 263-287 | 11.70-12.10 | 1170-1210 | >10.9 | >868 | >17 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
| N38H | 36-39 | 287-310 | 12.10-12.50 | 1210-1250 | >11.3 | >899 | >17 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
| N40H | 38-41 | 302-326 | 12.40-12.80 | 1240-1280 | >11.6 | >923 | >17 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
| N42H | 40-43 | 318-342 | 12.80-13.20 | 1280-1320 | >12.0 | >955 | >17 | >1360 | -0.11 | -0.58 | 320-350 | 120 |
| N33SH | 31-34 | 247-272 | 11.30-11.70 | 1130-1170 | >10.6 | >844 | >20 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
| N35SH | 33-36 | 263-287 | 11.70-12.10 | 1170-1210 | >11.0 | >876 | >20 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
| N38SH | 36-39 | 287-310 | 12.10-12.50 | 1210-1250 | >11.4 | >907 | >20 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
| N40SH | 38-41 | 302-326 | 12.10-12.80 | 1240-1280 | >11.8 | >939 | >20 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
| N28UH | 26-29 | 207-231 | 10.20-10.80 | 1020-1080 | >9.6 | >768 | >25 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
| N30UH | 28-31 | 223-247 | 10.80-11.30 | 1080-1130 | >10.2 | >816 | >25 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
| N33UH | 31-34 | 247-271 | 11.30-11.70 | 1130-1170 | >10.7 | >856 | >25 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
| N28EH | 26-29 | 211-236 | 10.40-10.90 | 1040-1090 | >9.8 | >784 | >30 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
| N30EH | 28-31 | 223-247 | 10.80-11.30 | 1080-1130 | >10.2 | >812 | >30 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
Speaker magnets
1) Application of NdFeB magnet: Toys, package, Printer, Switchboard, Phone, voice coil motors (VCM's) in hard disk drives, high performance motors, brushless DC motors, magnetic separation, magnetic resonance imaging, sensors, loudspeakers etc.
2) The coating of NdFeB magnets can be Zn, Ni, Ni-Cu-Ni, Epoxy, CR3+ZN, NI+AG, NI+AU.
3) Our factory can also manufacture various sizes of NdFeB magnet, according to the customer's specification
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