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MagScope software

  • MagScope basics
  • Extracting a 1D cross-section
  • Zero crossing detection on a circle
  • Opening a data file
  • Creating plots and graphs
  • Saving measurement data

MagFit plug-in

  • Residual image
  • Magnetization vector and angle measurement
  • MagFit introduction

3D plug-in

  • 3D analysis elements
  • 3-Component plug-in

Portal Scanner plug-in

  • Image stitching
  • Portal Scanner introduction

Rotor Inspector plug-in

  • Rotor Scanner introduction
  • Rotor scan volume

Python Scripting

  • Pass/fail quality control
  • Python scripting introduction
  1. Software
  2. Magnetization vector and angle measurement

Magnetization vector and angle measurement

The MagFit magnet analysis software module offers advanced Magcam data analysis capabilities for a complete characterization of uniaxial permanent magnets. By comparing the measured data with theoretical magnet models, MagFit can extracts the magnet’s full magnetization vector (Mx, My and Mz components) and its deviation angle from the main axis.

 

The first step in making a MagFit analysis is the measurement of a magnetic field image of the magnet under test using the Magcam magnetic field camera. 

 

What MagFit essentially does, is reproducing the measured magnetic field distribution, using a theoretical model of a magnet with a homogeneous magnetization, from which the magnetic field distribution can be calculated. This is done by optimizing a set of model parameters. 

Currently, magnet models are available for block, cylinder and ring magnets. The input parameters for the magnet model are the following:

  •  Geometry of the magnet (block, cylinder, ring) 
  •  Dimensions of the magnet (a,b,c dimensions for blocks, diameter and height for a cylinde, ring) 
  •  Three Cartesian components of the magnetization vector of the magnet (Mx, My, Mz) 
  •  Lateral position of the magnet on the Magcam sensor (measured relative to the sensor pixels; (6.4mm,6.4mm) is the center) 
  •  Lateral angular position of the magnet, i.e. the angle the magnet axes make to the sensor’s X- and Y- axes 
  •  Measurement height, i.e. how far from the magnet the Magcam sensor is located 

Using the above input parameters, MagFit is able to calculate a magnetic field distribution for the theoretical magnet. The user is required to provide initial parameters for the model and indicate which parameters should be kept fixed during optimization and which parameters are variable and can thus be optimized.

The MagFit element is located under the ‘Analysis’ submenu. 

​

 

The components of the magnetization vector are automatically converted to spherical coordinates and displayed in the table at the bottom left. This table displays following magnetization properties: 

  •  Main magnetization direction 
  •  ‘M’: Remanence magnetization vector size 
  •  ‘Theta’: Angle of the magnetization vector with respect to the main magnetization direction (‘angle deviation’) 
  •  ‘Phi’: Orientation of the magnetization vector projection on the plane perpendicular to the main magnetization direction 

A compass plot also shows the magnetization vector graphically.

  • Faulhaber magnet
  • Jacket Technology Group
  • Sercel magnetic sensors
  • Sodecia magnetic sensors
  • Bourns magnet sensors
  • Bomatec automotive magnet sensors
  • Sensata Technologies magnetic rotors
  • EM Motive PMM
  • Arago Technologies magnetic sensors
  • Intea Engineering magnetic solutions
  • TDK Micronas precision magnetic sensors
  • Bakker Magnetics high quality
  • elobau magnetic sensors
  • Focke&Co magnetic positioning
  • RLS magnetic sensors
  • ASM Assembly systems magnetic assemblies
  • Festo automation permanent magnets
  • TE Connectivity magnetic rotors
  • Newcastle University precision magnetic field measurements
  • ifm magnet sensors
  • Hengstler magnets
  • Infineon permanent magnet
  • Purepower Technologies permanent magnets
  • Hartmann magnetic sensors
  • Audemars micro magnets
  • Melexis magnetic sensors
  • Swatch Group magnets
  • Dr Johannes Heidenhain magnets
  • Magna Auteca magnets
  • GWF MessSysteme permanent magnets
  • Sura Magnets high end permanent magnets
  • Knowles Electronics magnets for audio applications
  • SRAM magnets
  • Merry Electronics permanent magnets
  • Kendrion magnets
  • Donaldson Filtration Solutions magnetic analysis
  • Siemens permanent magnets
  • JL Mag high end magnets
  • AAC Technologies high end permanent magnets
  • ResMed permanent magnet measurement
  • permanent magnet in hearing aid
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  • American axle magnet rotors motors
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  • Sierra Nevada Corporation magnets
  • Samsung permanent magnet
  • Maxon Motor magnet rotor
  • Dexter magnetic technologies
  • Hilti magnet measurement
  • Allegro Logo
  • Brose permanent magnet

Technology

At the core of the magnetic field camera is a patented sensor CMOS chip containing an integrated two-dimensional array of 16.384 microscopic Hall sensors

Downloads

Download documents on the Magcam products and technology

Contact

Researchpark Haasrode
Romeinse straat 18
B-3001 Leuven
Tel. +32 16 79 53 22
Fax. +32 16 70 01 87 
email: info@magcam.com
VAT BE0820.600.204
 
For support, please contact support@magcam.com
 
 

Service measurement

The Magcam measurement and analysis service allows you to have the Magcam experts measure and analyze your magnets and assemblies using the Magcam measurement platform.

Get full access to the Magcam knowledge center.

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