N45 magnetic block thickness magnetization vacuum packaging

1.Product Information  Product InformationProduct namePermanent, Nd Rectangular Block magnet,Neo Rectangular Block magnet, Rare earth Rectangular Block magnetMaterialNeodymium iron boron, Neo Magnet, Nd Magnet, Rare earth MagnetGrade& workingTemperatureGradeMax Operating TemperaturesN35-N5480°C&n

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1.Product Information
Product Information
Product namePermanent, Nd Rectangular Block magnet,
Neo Rectangular Block magnet, Rare earth Rectangular Block magnet
MaterialNeodymium iron boron, Neo Magnet, Nd Magnet, Rare earth Magnet
& working
GradeMax Operating Temperatures
N35-N5480°C     (176°F)
35M-52M100°C   (212°F)
35H-50H120°C   (248°F)
33SH-48SH150°C   (302°F)
28UH-45UH180°C   (356°F)
28EH-42EH200°C   (392°F)
28AH-40AH230°C   (446°F)
ShapeBlock or Rectangular or Cuboid, but Disc, Ring, Cylinder, Arc and Irregular shape are also available
CoatingNi, Ni-Cu-Ni, Electroless Nickel, Zinc, Colored Zinc, Epoxy, Passivation, Phosphated, Everlube, Au, Ag, Sn etc.
Thickness Magnetized, but Axially, Diametrical, Multipoles and Radial magnetization are also available, Customized magnetization is welcome.
ApplicationServo motor,Brushless motor, Linear Motor, Automotive Motor, HEV& EV motor, Robot Driving Motor, Inverter Compressor Motor , Rail Transit Traction Motor, Consumer Electronics, Wind turbine, Energy-saving Elevator, Loudspeaker, Magnetic switch, VCM, MRI, Magnetic separator, sensor etc.
CertificateISO/TS 16949, ISO9001, ISO14001, RoHS, REACH
PackingStandard sea or air packing, such as carton, wooden box, pallet etc.
Lead time7 days for samples, 15-20 days for mass production.
TransportationAll shipping methods are available: courier (TNT, DHL, FedEx, UPS), air or sea.
Shipper or freight forwarder can be appointed by either purchaser or TC.

2.Magnet common shapes
1. Block Magnet
Extreme sizeDimensionToleranceParallelism
Cuboid typeL15020030L50±0.080.08
2. Arc/C Magnet
SortSpecificationRecommendSizeExtreme sizePartDimensionTolerance
  C typeL150200LengthL10±0.03
Chordal LengthW50±0.05
3. Cylinder Magnet
SortSpecificationRecommendExtreme sizeOutter DiameterToleranceParallelism
Cylinder typeD100150D>30±0.040.04
4. Ring Magnet
  Sort Specification
Inner DiameterToleranceCoaxiality
Ring type  D30d50±0.060.08

3.Magnetizing method

N45 Magnet Block Thickness Magnetization with Vacuum Packaging

4.Available Coatings Of Sintered NdFeB Magnets
Available Coatings Of Sintered NdFeB Magnets
Zn4-8umBright Blue/>24H~48HRegular Protection Applicable to most products
Colored ZN4-8umShining Color/>48H-72HExcellent salt spray resistance,Excellent adhesion
NiCuNi10-20umBright Silver>48H~72H>24H-72HExcellent humidity,heat&salt spray resistance
Electroless Nickel10-20umBright Silver>72H>96HExcellent humidity,heat&salt spray resistance
Black Nickel10-20umBright Black>72H>48H-96HExcellent humidity.
heat xsalt spray resistance
Sn10-20umSilver>48H>36H-72HExcellent humidity.
heat&salt spray resistance
Epoxy10-20umBlack or Grey/>72H~108HExcellent humidity,heat&salt spray resistance,excellent adhesion
<=1umDark Grey/≤2.5H
Emerge in 3%Nad lovor
Temporary Protection
Everlube8-20umYellow>72H>96HExcellent salt spray resistance,Excellent adhesion
Golden10-15umGolden>48H>12HGood looking

5.Magnet grade performance distribution chart
N45 Magnet Block Thickness Magnetization with Vacuum Packaging

6.The package
1.The magnets are separated by plastic sheets for easy operation when removing Each block is wrapped in a plastic bag to prevent corrosion.2.Insert foam board, iron board, carton from inside to outside at once. Used for buffering, magnetic isolation and protection3. The small size magnet carton is individually packaged to ensure safe and convenient transportation, storage, and use.
N45 Magnet Block Thickness Magnetization with Vacuum Packaging
4.The outer layer of the carton is fixed with plastic steel straps5.After packaging, measure the magnetic field intensity outside the carton to ensure compliance with air transport standards.6. Recycled wooden pallets, wrapped with waterproof membrane to prevent moisture and loss during sea transportation.
N45 Magnet Block Thickness Magnetization with Vacuum Packaging

7.Production Process

N45 Magnet Block Thickness Magnetization with Vacuum Packaging

8.Testing Equipment
N45 Magnet Block Thickness Magnetization with Vacuum Packaging


N45 Magnet Block Thickness Magnetization with Vacuum Packaging

10.Production execution standard reference
ProcessExecutive standard Process record Test record
Order evaluationCP / Products specificationOrder review record/
IngredientsCP / Raw-materials standard/ SOPPreparation record
Circulation card
Raw-materials test the reports
The balances daily check record
The balances calibrate record
SmeltCP / Strip casting standard /SOP Strip casting process recordSC test the report
Hydrogen breakCP / Hydrogen decrepitation
standard / SOP
Hydrogen decrepitation process record
Powder circulation card
Jet millCP / Jet milling decrepitation
standard / SOP
Jet milling process recordParticle size test report
FormingCP / Pressing standard
Pressing process record
Pressing block circulation card
SinteringCP / Sintering standard
Sintering process recordNdFeB materials performance test
Size and density test report
Surface test report
Approval warehouse card
Machining draw
Picking record
Send the machining record
Machining products test report
Surface treatmentCP
Surface treatment draw
Send the surface treatment record
Circulation card
Finished goods size hand surface
test report
Magnetization and packagingCP / Packing specification
Magnetized record
Packing record
Finished goods performance test

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