Mirco SmCo Ring Magnets – This kind of product, made of high-performance material of Sm2Co17, is mainly applied in optical isolators, following accuracy abrasive lapping process. Our product, with stable and reliable quality, is adapted by several world-known enterprises, and we can produce according to the requirements of customers.
SmCo magnet is suitable for machines with high magnetic requirement and good for strict working environment requirement.
SmCo is a high performance, low temperature coefficient permanent magnet with its high working temperature-350 degree centigrade. When working above 180 degree centigrade, its maximum energy product BH and steady temperature are superior than NdFeB magnetic materials. Sintered SmCo needn’t to be coated because it is difficult to be eroded and oxidized.
Features
1. SmCo magnet, permanent magnet, rare earth magnet.
2. High working temperature.
3. Excellent resistance to corrosion, no coating is needed for the surface protecting.
4. SmCo magnet is suitable for machines with high magnetic requirement and good for strict working environment requirement.
5. Common uses in different fields.
Surface Treatments
The corrosion resistance of SmCo magnets is considered good. Although Surface coating or plating is not generally required for SmCo magnets, all kinds of surface coating are also available, like Nickel, Zn, Ni-Cu-Ni, Gold, Silver, Sn,Chrome, ABS coating, Rubber coating, PTFE(Telfon) coating, stainless steel case, etc.
mirco-smco-ring-optical-isolators-magnets-drawing
Standard Sizes and Tolerances
|
Item
|
External Diameter. mm
|
Internal Diameter. mm
|
Height. mm
|
|
|
|
Size Range
|
Min:1.6 |
Min:0.8 |
Min:0.8 |
Axial
|
|
|
Limits of Deviation
|
±0.005—±0.05
|
+0.01—+0.1
|
±0.005—±0.05
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±1
|
Standard Sizes
|
External Diameter. mm
|
Internal Diameter. mm
|
Height. mm
|
External Diameter. mm
|
Internal Diameter. mm
|
Height. mm
|
|
|
1.6
|
1.0
|
3.2
|
3.00
|
1.80
|
2.54
|
|
|
1.8
|
1.1
|
0.9
|
3.00
|
1.80
|
4.00
|
|
|
1.8
|
1.25
|
1.7
|
2.00
|
1.40
|
3.00
|
|
|
2.0
|
1.03
|
3.8
|
2.00
|
1.40
|
3.50
|
|
|
2.1
|
1.4
|
1.25
|
2.40
|
1.80
|
3.50
|
|
|
2.2
|
1.6
|
1.4
|
2.20
|
0.90
|
1.10
|
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