| Application: | Electronic Products, Speaker Magnet, Industrial Magnet, Motor Magnet |
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| Shape: | Radial Ring |
| Coating: | Ni-Cu-Ni, Zn, Epoxy, Parylene |
| Grade: | R, Mr, Hr, Shr, Uhr |
| Certification: | ISO9001:2008, ISO/Ts16949:2009 and RoHS |
| Type: | Radial Oriented NdFeB Ring Magnet |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier 17 Years Experiences Rare Earth Radial Oriented NdFeB Ring Magnet
SDM----A professional Neodymium Magnet manufacturer over 17 years
SDM Advantages
• Strategic cooperation with China's No.1 rare earth miner CHINALCO, which enables us strong and safe backup for rare earth raw materials cost stability, 3 x -3% annual price down guaranteed.
• ISO/TS 16949, VDA 6.3, ISO9001, ISO14001 certified company, RoHS, REACH, SGS, FDA complied product.
• 0 PPM performance for General Motor's OEM since 2010, remarkable customers such as SIEMENS, BMW, REGAL BELOIT, NIDEC, S&T Motiv.
• Over 100 million neodymium magnets delivered to American, European, Asian and African countries.
• One stop service from R&D to mass production.
Radial oriented NdFeB Ring Magnet
The radially ring magnet family includes sintered rare earth magnet, sintered ferrite magnet, hot-pressed/hot-deformed magnet and bonded magnet. Different kinds of magnet have its own mode to make radially oriented ring magnet.
Magnetization Patterns of Radially Oriented Ring Magnet
The grade of Radial oriented NdFeB Ring Magnet we can offer
| Grade | Br (kGs) | Hcb (kOe) | Hcj (kOe) | (BH)max (MGOe) |
| N35R | 11.8-12.9 | ≥9.5 | ≥12.0 | 31-37 |
| N38R | 12.0-13.2 | ≥9.6 | ≥12.0 | 32-40 |
| N42R | 12.2-13.5 | ≥9.7 | ≥12.0 | 34-42 |
| N35MR | 11.8-12.9 | ≥9.5 | ≥13.0 | 31-37 |
| N38MR | 12.0-13.2 | ≥9.6 | ≥13.0 | 32-40 |
| N42MR | 12.2-13.5 | ≥9.7 | ≥13.0 | 34-42 |
| N35HR | 11.8-12.9 | ≥9.6 | ≥14.0 | 31-37 |
| N38HR | 12.0-13.2 | ≥9.7 | ≥14.0 | 32-40 |
| N40HR | 12.1-13.3 | ≥9.7 | ≥14.0 | 33-41 |
| N42HR | 12.2-13.5 | ≥9.8 | ≥14.0 | 34-42 |
| N45HR | 12.5-13.9 | ≥9.9 | ≥14.0 | 36-45 |
| N35SHR | 11.8-12.9 | ≥9.7 | ≥16.0 | 31-37 |
| N38SHR | 12.0-13.2 | ≥9.8 | ≥16.0 | 32-40 |
| N40SHR | 12.1-13.3 | ≥9.8 | ≥16.0 | 33-41 |
| N42SHR | 12.2-13.5 | ≥10.0 | ≥16.0 | 34-42 |
| N35UHR | 11.8-12.9 | ≥9.8 | ≥19.0 | 31-37 |
| N38UHR | 12.0-13.2 | ≥10.0 | ≥19.0 | 32-40 |
The application of Radial oriented NdFeB Ring Magnet
• Actuators
• Magnetic bearings
• Magnetic clutch
• Peripheral motors
• Spindle motors
• Steering control motors
• Stepper motors
The advantage of Radial oriented NdFeB Ring Magnet
• Motor assembly is made much easier. Installation of one or more rings versus gluing arcs into place.
• Radial sintering assures no "weak spots".
• Magnets are multi-poled--thus the ring does not compromise the magnetic properties.
• The radial orientation results in a super strong magnet by virtue of superior metallurgy developed specifically to BE radially oriented.
The difference between diametrical magnetized and radially magnetized
Radial oriented NdFeB Ring Magnet are Customized with fast delivery time of 7 days.
SDM Reliability & Certificates
• Demagnetization Curves & Outgoing Inspection Report for each shipment.
• ISO9001, ISO14001, ISO/TS16949, TUV, SGS, RoHS.
Standard Packaging & Factory
• Vacuum packaging for all Neodymium magnets and Neodymium magetic assemblies.
• Shielding box and wooden box to protect the Neodymium magnets during shipping.
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Exhibitions
• CWIEME BERLIN every year, Germany.
• HANNOVER MESSE every year, Germany.
• CWIEME CHICAGO every year, USA.
You are more than welcome to visit us at above exhibitions every year, we look forward to a face to face meeting with you.
Looking forward to receiving your enquiry
Company Information
SDM Magnetics Co., Ltd. is a leading Chinese manufacturer of high performance permanent magnets and magnetic assemblies with ISO9001:2008, ISO/TS 16949 and ISO14001 certificates. SDM serves a variety of markets from consumer electronics, industrial automation, automotive, green energy, household appliances, medical, aerospace and telecommunications. SDM's magnets are used in motors, speakers, generators, sensors, compressors, MRI, magnetic chucks and separators etc.
To meet the more and more demanding markets, SDM has been concentrating on manufacturing technologies for quality stability and cost reduction. Since 2010 the company has been supplying magnets to General Motors' OEM with 0 PPM. With Dysprosium infiltration technology, we are able to offer competitive prices for high grade Neodymium magnets. The company has also built up a strategic cooperation with China's No.1 rare earth miner CHINALCO, which gives us strong and safe backup for rare earth raw materials.
SDM Magnetics now manufactures a comprehensive range of magnetic products including:
·Neodymium Magnet
·Injection Molding Magnets
·Samarium Cobalt
·AlNiCo (Aluminum Nickel Cobalt)
·Magnetic Assemblies
Over the last ten years SDM export 85% of its products to American, European, Asian and African countries.With such wide range of magnetic material options, our professional technicians are available to help solve your magnetic needs and choose the most cost effective material for you.
How to Find us ?
Our manufacturing plants are located in Tonglu, Hangzhou which are only one hour by car from Hangzhou airport or railway station.
We are also only one hour by train from Shanghai or Ningbo, pickup and drop off at Hangzhou Air/Train stations are available if you are traveling to Hangzhou from other cities in China.
FAQ
1: How fast can I get a reply?
You will receive our reply within 15 minutes during our work time 08:00 - 18:00(UTC-8).
2: Can I get free samples?
Free samples are available at SDM warehouse. However it may take minimum 7 days for production if your size is not on our stock list.
3: Are you able to offer best prices?
Magnets are functional products, the costs depend on how strong the materials you need. We believe the most suitable is the best, therefore SDM is keen to offer best prices to meet your target.
4: Are you able to provide best quality?
At SDM you receive products under guarantee of ISO9001, ISO/TS16949 systems.
5: What are your best lead-times?
Immediately shipments are available for stock magnets. For fresh materials, we need 7-15 days for production.
6: How can you make sure that my money is safe with you?
As an Alibaba Trade Assurance member, your funds are under protection of Alibaba group. Payment will not be released to vendor until buyer confirms receipt and good material of delivery.
Suppliers with verified business licenses
Audited Supplier 
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