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Permanent Magnet Rotor Assembly on Non-magnetic Shaft

/Permanent Magnet Rotor Assembly on Non-magnetic Shaft
  • Permanent Magnet Rotor Assembly on Non-magnetic Shaft

Permanent Magnet Rotor Assembly on Non-magnetic Shaft, High Performance Magnet Rotor Assemblies, Strong neodymium iron boron permanent magnet motor parts, Custom Magnet Gears Magnetic Wheels, linear magnetic rotor assemblies, coaxial and axial magnetic rotor parts, Magnetic Rotor Starter, STATOR ROTOR MAGNET FLYWHEEL ALTERNATOR, China Magnets Supplier

Permanent Magnet Rotor Assembly on Non-magnetic Shaft Features:
Core Components: Rotor Assembly
Material: Permanent Ndfeb magnet + Steel
Product Name: Permanent Magnet Rotor
Application: All kinds of industrial machine
Type: Magnet Flat Rotor Assembly
Color: Silver and Black
Tolerance: Custom Drawing

Custom Rotor Assemblies
HSMAG Magnets can produce high performance rotor assemblies for aerospace, defense, industrial, automotive, and many other industries. If you have a question, please contact us to speak with a magnet specialist.

1. Materials
Magnet: Neodymium Magnet
Main part: 20# steel, martensitic stainless steel

2.Application
Flat rotor assembly is mainly used in aerospace, automobile drive system, Unique in design and aerospace composite components. Can provide technical requirements for big torsional torque can be used for high temperature and high-speed and high-strength environment provide application requirements.

In a dynamoelectric machine in which a rotor shaft carries a permanent magnet rotor assembly, the rotor shaft has a pair of bearing portions which are spaced-apart by a central portion of nonmagnetic material. The bearing portions are secured to the central portion, which carries the permanent magnet rotor assembly.

We are mainly produce magnetic components in permanent magnet motor field, especially NdFeB permanent magnet motor accessories which can match all kinds of medium and small permanent magnet motor. Besides, in order to reduce the damage of electromagnetic eddy current to magnets, we make multi splice magnets.
We supply pre-assembled magnetic motor parts with glued permanent magnets and metal body according to customers’requirements. And we have modern magnetic assembly line and first rate machining equipments, including CNC lathe, internal grinder, plain grinder, milling machine,etc. Modern inspecting techniques and stricted quality management system ensure us to supply high quality products to you.We will supply a complete motor parts or magnetic coupling that is ready for the fine finishing by you. It is a cost-saving MAGNETIC SOLUTION for clients. Watertight Drive Motor Magnetic Crawler Wheels

Generally, a permanent-magnet rotor assembly comprises a rotor shaft, a plurality of yokes extending along the axis of the rotor shaft; and arranged around the rotor shaft at circumferential intervals, permanent magnets each being held is between the two adjacent yokes, and a pair of end plates attached to the opposite ends of the yokes and fastened to the rotor shaft, respectively. In such a permanent magnet rotor assembly, the end plates are placed in contact with the yokes 20 and the permanent magnets, and are fastened to the opposite ends of the yokes, respectively, with stud bolts or fastening bolts penetrating the yokes. Therefore, the end plates must be formed of a nonmagnetic material, such as a stainless 25 steel, to prevent a short-circuiting of the magnetic paths through the end plates.

On the other hand, the end plates must be firmly secured to the rotor shaft. Accordingly, it has been a conventional practice (see for example 30 JP— A— 58— 139665) to form an end plate integrally with a boss having a large wall thickness, by casting and/or machining and to secure the end plate to a rotor shaft by fitting the rotor shaft in the boss by a shrinkage fit. However, 35 since nonmagnetic materials, in general, are expensive, forming and end plate integrally with a boss having a large wall thickness of a nonmagnetic material is very costly.

A rotor shaft for a dynamoelectric machine having a permanent magnet rotor assembly, comprising a pair of bearing portions which are spaced-apart by a separate central portion of nonmagnetic material, said being portion being secured to said central portion, and said central portion carrying said permanent magnet rotor assembly without the interposition of a nonmagnetic sleeve.

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