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首页 > 产品 > 机械部件及定制加工 > 电机附件 > 直线电机

New Land High Performance Halbach Magnet Array Multi-axis Linear Motor Motion Platform components

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Ningbo Newland International Trade Co., Ltd

China - Ningbo

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11-50 people

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产品属性 Product Description

产品属性

Product Description

Overview

Quick Details

Place of Origin:: Zhejiang, China

Brand Name:: Newland

Model Number:: N35-N52,N35M-N52M,N35H-N52H

Type:: Permanent

Composite:: Neodymium Magnet

Shape:: ALL

Application:: Moto Magnet

Tolerance:: ±1%, 0.05mm ~ 0.1mm

Processing Service:: Bending, Welding, Decoiling, Cutting, Moulding

Grade:: NdFeB, N35-N52 (M.H.SH.UH.EH.AH)

Material:: Permanent Neodymium Magnet

Coating:: Epoxy.Black Epoxy. Nickel.Silver.etc

Magnetism direction:: Customzied Specific Requirements

Certification:: ISO 9001:2015 ROHS IATF 16949

Supply Ability

Supply Ability:: 1000000 Piece/Pieces per Month

Packaging & Delivery

New Land High Performance Halbach Magnet Array Multi-axis Linear Motor Motion Platform components来自中国供应商

Product Description

HALBACH MAGNET ARRAY

Name	Halbach Array, a new permanent magnet arrangement
Material	Magnet: sintered neodymium magnet Hardware: 20 # steel, martensitic stainless steel
Advantage	High power density Fixed rotor no longer, requires chute Rotor can use non-core, material High permanent magnet, utilization Can use, centralized winding
Application	Brushless AC motor, voice coil, Torsion pendulum magnet of particle accelerator, free electron laser,Permanent magnetic coupling and high magnetic field cylinder

What is the Halbach array?

A Halbach Array is a magnetic array that produces a high magnetic field utilizing permanent magnets, arranged with a spatially rotating magnetic field vector which has the effect of focusing and augmenting the magnetic field on one side, while cancelling it out on the other.

Halbach Arrays are able to achieve very high and uniform flux densities without necessitating any power input or cooling, which an electromagnet would require.

The form and application of Halbach array

1, Linear (Planar) Halbach Array

Linear Halbach arrays consist of discrete, rectangular permanent magnets mounted on a ferromagnetic backplate with varying magnetic orientations that serve to focus the field on one side of the array, producing a uniform and powerful semi-sinusoidal magnetic field. Linear (planar) arrays can also be used in a yoke configuration to produce a very powerful sinusoidal field in the gap.

Linear Motor Parts

We produce various types of linear (planar) Halbach arrays which are used in particle accelerators, free-electron lasers,extremely powerful linear motors and more for industrial, life science, R & D and medical applications.

2，Halbach Cylinder - Circular Halbach Arrays

A Halbach cylinder is a circular Halbach array consisting of several trapezoidal or arc-shaped magnet segments with magnetic orientation vectors that rotate in order to focus the field. They are routinely built in quadrupole, hexapole, sextupole, octupole and other magnet configurations. Generally, the larger the number of discrete magnets with a corresponding number of magnetic vector angles, the more uniform the field across the inside diameter of the Halbach assembly.

Magnetic Coupling Parts

Halbach cylinders are used in NMR devices, sophisticated high-torque motors, beam focusing, research and magnetic particle separation equipment for industrial, life science, R & D and medical applications.

Halbach linear array:

The Halbach linear array combines the radial and parallel arrangement of magnets to form a one-sided magnetic field (one-sided field), which is a significant feature of Halbach. This characteristic indicates that Halbach magnets have very good application value in linear motors (linear motors).

Halbach circular array:

The Halbach circular array is generally used in brushless AC motors and magnetic couplings to enhance the unidirectional magnetic force, and can obtain a nearly perfect sinusoidal magnetic force release. Because it is a unidirectional magnetic force release, non-ferromagnetic materials can be used as the central axis (such as aluminum), which can greatly reduce the overall weight and improve efficiency.

How do we assemble the Halbach array?

Method 1: According to the topology of the array, use magnet glue to bond the magnetized magnet segments together. Because the mutual repulsion between the magnet segments is very strong, the mold should be used for clamping during adhesion. This method has low manufacturing efficiency, but is easier to implement, and is more suitable for laboratory research.

Method 2: First use the method of filling or pressing to make a complete magnet, and then magnetize in a special fixture. The array structure processed by this method is similar to the figure below. This method has high processing efficiency and comparison It is easy to realize mass production. However, it is necessary to specially design magnetizing fixture and formulate magnetizing process.

Method 3: Use a special-shaped winding array to realize the Halbach-type magnetic field distribution.

As shown in the figure below.

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