Custom Design Sintered SmCo Magnets for Transducers YXG-30 Item No. MPCO-SMOS series
Customzied Specific Requirements
OEM or ODM service: Accept
Dimension: Customized size
Custom Grade: SmCo5, Sm2Co17
Magnetization direction: Thickness, Length, Axially, Diametre, Radially, Multipolar
Surface Treatment: UNCOATED, Silver, Gold, Zinc, Ni-cu-Ni. Epoxy etc.
Tolerance: +/-0.02 – 0.05mm
Material: Sintered SmCo
Grade: SmCo26,SmCo28, SmCo30, SmCo32
Dimensions: Per Drawing
Tolerance: +/-0.13
Coating: N/M
Magnetized direction.
Applications of Samarium Cobalt Magnets
Computer disc drives
Sensors
Traveling wave tubes
Linear actuators
Satellite systems
Motors where temporary stability is vita
Servo-Motors
Transducers
Watch
Positional detector
Generators
Attributes of Samarium Cobalt Material
High resistance to demagnetization
High energy (magnetic strength is strong for its size)
Good temperature stability
Expensive material (cobalt is market price sensitive)
Excellent corrosion resistance
SmCo Magnets are second generation of rare earth magnets, specified into SmCo5 and Sm2Co17 . It is made of samarium, cobalt and other rare earth metal, processed through smashing, pressing and sintering. It has high energy product and extremely low temperature coefficient. Due to strong magnetic property and excellent temperature performance, its working temperature can reach 250-300°C. When working in temperature over 180°C, its energy product, temperature stability chemical stability all surpass that of neodymium magnet material. Special Ring Magnet
Customizable Magnetic Transducer Motor Samarium Cobalt Magnets Assembly
Comparing with neodymium magnets, samarium cobalt magnets are far more appropriated to work in high temperature. Therefore, it is great for manufacturing permanent magnet motor with high performance and products used very complicated working environments. In addition, it has very strong resistance to rust, so commonly, it does not need electroplating. Customized Sintered SmCo Super Strong Magnets
Key Specifications/Special Features:
Made of SmCo, Fe and other rare-earth elements
Samarium cobalt magnets will produce to all kinds of shape, there are disc, ring, cube, fan-shaped, arc-segment and others with highest remanence and the highest temperature stability, maximum operating temperature up to 250 to 350°C
Samarium cobalt magnets are suitable for producing high-performance motors and complex working environment, with highest magnetic performance and good stability. Perfect Customizable Samarium Cobalt Motor Magnet
It strictly implements ISO/TS16949:2009 and ISO9001:2008 quality management systems to monitor quality in each process, and implement monitoring, preventing and immediately correcting potential failure modes in the whole production line. In each inspection process, products must be inspected so as to avoid nonconforming products going to next processes. In order to avoid nonconforming products being shipped, we perform 100% inspection or sampling inspection for the dimension and magnetic properties as customer’s requirement before shipment. Good Stability Special Ring Shape Samarium Cobalt Magnet, Custom Ring Square Hole SmCo Magnets
| Property | Neodymium | Sm-Co |
|---|---|---|
| Remanence (T) | 1–1.5 | 0.8–1.16 |
| Coercivity (MA/m) | 0.875–2.79 | 0.493–2.79 |
| Relative permeability | 1.05 | 1.05–1.1 |
| Temperature coefficient of remanence (%/K) | –0.09..–0.12 | −0.03..–0.05 |
| Temperature coefficient of coercivity (%/K) | −0.40..–0.65 | −0.15..–0.30 |
| Curie temperature (°C) | 310–370 | 700–850 |
| Density (g/cm3) | 7.3–7.7 | 8.2–8.5 |
| CTE, magnetizing direction (1/K) | (3–4)×10−6 | (5–9)×10−6 |
| CTE, normal to magnetizing direction (1/K) | (1–3)×10−6 | (10–13)×10−6 |
| Flexural strength (N/mm2) | 200–400 | 150–180 |
| Compressive strength (N/mm2) | 1000–1100 | 800–1000 |
| Tensile strength (N/mm2) | 80–90 | 35–40 |
| Vickers hardness (HV) | 500–650 | 400–650 |
| Electrical resistivity (Ω·cm) | (110–170)×10−6 | (50–90)×10−6 |
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