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Help CenterHigh Strength Motor Neodymium Block Magnets , Sintered Neodymium Iron Boron Magnets
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Certification:CE,FCC,MSDS
Industrial Neodymium Block Magnets For Motor , Sintered Neodymium Iron Boron magnets
1. What is Rare Earth Magnet
Neodymium magnets are actually composed of neodymium, iron and boron (they are also referred to as NIB or NdFeB magnets). The powdered mixture is pressed under great pressure into molds. The material is then sintered (heated under a vacuum), cooled, and thenground or sliced into the desired shape. Coatings are then applied if required. Finally, the
blank magnets are magnetized by exposing them to a very powerful magnetic field in excess
of 30 KOe.
2. Manufacture process
| Process No | Process details |
| 1 | Raw Matrial Preparation |
| 2 | VIM |
| 3 | Jet Milling |
| 4 | Compacting |
| 5 | Sintering & annealing |
| 6 | B-H Curve Testing |
| 7 | Maching |
| 8 | Coating |
| 9 | Magnetizing &Packaging |
| 10 | Customer Support |
3. FAQ
Is it possible to make customized irregular shape magnet?Yes,we can do varied shape magnet,customized shape and drawings are welcome.
What is the strength of magnet?In theory, Magnets can suck up 64 times is equivalent to its own weight of iron.If you have the strength request,we can design the magnet size for you.
What is the magnet working temperature?We can do the magent as your working temperature demand range of 80°c to 230°c
Low lost weight and Salt Spray test available?Yes, We are equipped with complete equipments for plating and function test.
What is the delievery time ?It depends on product shape, plating technology and amount.In general, The Small lot production in usual shape is about 7 days after the confirmation.Mass production or irregular shape with epoxy or cadimium plating will take longer time.
4. More Choose
Grade:N33, N35, N38, N40, N42, N48, N50, N52 (M, H, SH, EH, UH,AH)
Shape:Disc, Ring, Block, Segment, Cylinder, Trapezoid, Customized Design (Design proper magnets for clients specific requirements)
Coating:Ni, Ni-Cu-Ni, Zn, Tin, Epoxy, Ni-Ag, Ni-Au, etc.
5.Product Picture
6.Company Information
DJH Magnetics Co., Ltd found in 2001,R&D from the 33rd Ministry of Information Industry Institute, is the
professional development and production of neodymium iron boron(NdFeB) rare earth permanent magnet
materials, our company formed the production, sales, research and development of magnetic materials in group companies.
Send Inquiry to This Supplier
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