Zhejiang, China
Business Type:
Registered Capital:
1200000 USD
Plant Area:
>2000 square meters
Management System Certification:
ISO 9001, ISO 14000
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available

Motor Magnets, Magnets Strength, Neodymium Ring Magnet manufacturer / supplier in China, offering Customized Ring Shaped NdFeB N45 Neodymium Magnet, Neodymium Bar Magnets for Linear Motors, Neodymium Cubic Magnet with Central Countersink and so on.

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Customized Ring Shaped NdFeB N45 Neodymium Magnet

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Min. Order / Reference FOB Price
1 Piece US $1/ Piece
Port: Ningbo, China
Production Capacity: 1, 000, 000 PC / Month
Payment Terms: L/C
Application: Industrial Magnet, Motor Magnet
Shape: Ring Shaped NdFeB Magnet
Coating: Nickel
Grade: N45
Description: Tailored NdFeB Permanent Magnet
Transport Package: Standard for Sea and Air Delivery

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Basic Info

Model NO.: n45
Trademark: SHINE
Specification: neodymium iron boron
Origin: Ningbo
HS Code: 8505119000

Product Description

Neodymium magnets
The neodymium magnet is the third generation permanent magnet which have the most extensive application in the modern industries. Neodymium magnets, or ndfeb rare earth magnets, are with amazing strong magnetic power. The neodymium is a kind of rare earth element that mainly used to compound with iron and boron.

Main Manufacturing process of ndfeb magnets  

1.Pressing ndfeb garins: pressing process was operated in strong magnetic environment. 
2.Sintering of ndfeb blocks: sintering was processed in a vacuum furnace.
3.Wire cut: ndfeb magnet are fragile materials,usually specified dimensions was required, genneral cutting process could not reach the standard of sizes,usually cutting process had operated in wire cut machines. 
4.Grinding process: Grinding process: To reach the tolerance, a diamond polish tool is needed. 
5.Plating: Neodymium magnets had been treated with electrical plating,otherwise it will rust in the air. Platings that have been successfully applied to neodymium magnets are epoxy plating,nickel plating,NICUNI plating,zinc palting and even silver plating and gold plating. 
6.Magnetization:the procedure are processed with magnetization machine which have a magnetic feild ranged from 2~100 koe.

Customized Ring Shaped NdFeB N45 Neodymium Magnet

Coatings available & Tests

Coatings Available: Zinc, NiCuNi, Epoxy, Gold, Silver, Tin etc.
Plating Thickness Test,Salt Spray Test,PCT Test

Shine Magnetics has focused on quality control since its founding. Necessary and strict checks and tests are taken in all production processes to make sure any products made by us are trouble free. To work with Shine Magnetics is to get the most reliable supplier of magnetic products. It goes without saying that our magnetic products comply with the highest quality standards. We are working continually to improve the quality and process of the products.
Following Tests Could be made as per customers' requirements:
HAST Test: Test Condition: 132.9ºC, 95% humidity, 2.9 ATM, 7 days
Weight Loss: 3mg/cm2
Customized Ring Shaped NdFeB N45 Neodymium Magnet
Customized Ring Shaped NdFeB N45 Neodymium Magnet

Customized Ring Shaped NdFeB N45 Neodymium Magnet

Package and Delivery

Customized Ring Shaped NdFeB N45 Neodymium Magnet
Standard package for sea and air delivery.
Delivery is about 15~20 day after confirm the order.

Our Advantages

1 All NdFeB magnets used are made by our own magnet factory.
2 Standard producing process and strict quality checking
3 Our know-how experts of the magnet industry.
4 Competitive price,stable quality, timely reponse

Detail Properties 

 Magnetism:                  45 MGOe
 Working temperature:       80 ºC
 Curie Temperature:         312 ºC
 Br Temp Coiffecient   -0.11%/ ºC
 Physical characteristics:   fragile
 Operate:                    Dry situation

 Application: Linear motor, wind power generator, magnetic controled assemblies, DIY 

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