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Rare Earth SmCo Axial Turbine Rotor Magnets YX-26 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
Application: SmCo rare earth permanent magnets are widel
y applied in Auto, energy-efficient Motors and Generators, Machinery, Audio/Video and Communication Equipment, Medical Device(MRI), Office Automation, Magnetic Separator, etc.
An axial turbine is a turbine in which the flow of the working fluid is parallel to the shaft, as opposed to radial turbines, where the fluid runs around a shaft, as in a watermill. An axial turbine has a similar construction as an axial compressor, but it operates in the reverse, converting flow of the fluid into rotating mechanical energy.
A set of static guide vanes or nozzle vanes accelerates and adds swirl to the fluid and directs it to the next row of turbine blades mounted on a turbine rotor.
When the pressure drop available is large, it cannot all be used in one turbine stage. A single-stage utilizing a large pressure drop will have an impractically high peripheral speed of its rotor. This would lead to either a larger diameter or a very high rotational speed. Therefore, machines with large pressure drops employ more than one stage.
One of the methods to employ multi-stage expansion in impulse turbines is to generate high-velocity of the fluid by causing it to expand through a large pressure drop in the nozzle blade row. This high-velocity fluid then transfers its energy in a number of stages by employing many rotor blade rows separated by rows of fixed guide blades.
Samarium Cobalt was the first rare-earth transition-metal magnet to be developed. Samarium Cobalt (SmCo) magnets are made by a sintering process and exist in two forms. The first is Sm1Co5 (SmCo 1:5) and this has a maximum energy product of between 14 and 24 MGOe. The second, and more common, a form is Sm2Co17 (SmCo 2:17) and this has a maximum energy product of between 22 and 32 MGOe. The main Sm2Co17 alloy is around 35% Samarium (Sm) and 60% Cobalt (Co) with the balance being from varying amounts of Iron (Fe), Copper (Cu), Hafnium (Hf) and Zirconium (Zr). Praseodymium (Pr) may also be used. Sm1Co5 is made of only Sm and Co and has excellent corrosion resistance. Strong Rare Earth Samarium Cobalt Radial Turbine Magnets