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Magcam MiniCube3D

Magcam's MiniCube3D three-axis magnetic field camera provides quantitative 3D (Bx,By,Bz) magnetic field mapping in a 12.7mm x 12.7mm 2D plane  with 0.1mm spatial resolution, measured at high speed. The camera is based on Magcam’s unique integrated 2D Hall sensor array technology.

The fully digital and compact measurement system connects to a computer via a single USB cable, making the measurement data directly digitally available. The Magcam maps are analyzed in real time by the MagScope measurement & analysis software and its optional add-on software modules, which provide powerful measurement and analysis capabilities for a complete quality control and characterization of permanent magnets and magnet assemblies.

The MiniCube3D can be integrated in a Magcam MiniTable working platform for inspection of small magnets, in a Magcam Portal Scanner for measuring large magnets and assemblies, or in a Magcam Rotor Scanner for testing PM rotors.

Features

  • Quantitative digital 3-axis magnetic field mapping (Bx, By, Bz)
  • On-chip integrated 2D array of Hall sensors
  • Number of measurement points:128 x 128 = 16 384
  • Spatial resolution: 0.1 x 0.1 mm²
  • Field of view: 12.7 x 12.7 mm²
  • Magnetic field range (Bx,By,Bz):   +/- 1000 mTesla
  • Magnetic field resolution: (Bx,By,Bz): 0.1mT (0.01mT for certain applications)
  • Single measurement for full magnet analysis
  • High speed measurements: <1 second per image (=16384 pixels)
  • No moving sensor parts
  • Size: 24 x 24 x 24 mm
  • Includes MagScope measurement & analysis software
  • Suitable for automation

MiniTable demo video

Typical applications

  • Magnetic vector field direction inspection (e.g. azimuth angle)
  • Total B and In-plane (Bxy) field distribution inspection 
  • Volume vector field distribution measurement 
  • Sensor magnets (e.g. rotary encoder magnets) 
  • Motor magnets
  • Halbach array assembly inspection 
  • PM rotor assembly inspection

3D software plug-in for MagScope

The 3D plug-in for MagScope adds the functionality for analyzing the full three-component magnetic field distribution recorded with the MiniCube3D magnetic field camera. This includes: 

  • Plotting color graphs and cross-sections of following magnetic field components:
Bx, By, Bz, B (ful field), Bxy, Byz, Bxz, azimuth angle (in-plane field direction), polar angle (out-of-plane field direction)
  • Converting the magnetic field vector to spherical coordinates (azimuth and polar angles, field strength)
  • Converting the measured data to cylindrical coordinates, resulting in following magnetic field components:
Bradial, Btangential, Bz, B (full field) and any combination of 2 components.
  • Generating vector plots of the field distribution

Can be combined with

Magcam Portal/Combi Scanner

The Magcam Portal Scanner is a high-speed 3-axis motorized mapper with an integrated MiniCube1D or MiniCube3D magnetic field camera for measuring large magnets and magnet assemblies.

Magcam Rotor Scanner

The Magcam Rotor Scanner is a 3-axis motorized scan stage with an integrated MiniCube1D or MiniCube3D magnetic field camera for measuring the magnetic field distribution of permanent magnet rotors.

Magcam MiniTable Working Platform

The MiniTable is a working platform for measuring small magnets, to be combined with the MiniCube1D or MiniCube3D magnetic field camera.

Software features

3D analysis elements

In MagScope, most of the analysis elements have additional functionality for analyzing 3-component data. It not only contains the measured Bx, By and Bz components, but also derived components in the used coordinate system.

Most of the analysis elements have additional functionality for analyzing 3-component data. Generally, the component to be analyzed can be selected in a dropdown menu at the top left of the element window. This window not only contains the measured Bx, By and Bz components, but also derived components in the used coordinate system. 

For the Cartesian coordinate system the available components are: 

Read more

Applications

2-pole rotary encoder magnet image

2-Pole Rotary Encoder Magnets

For this application the in-plane Bxy field component is important and can be measured with the Magcam MiniCube3D camera.

permanent magnet rotor.jpg

Permanent Magnet Rotors

Both small electric rotors and larger rotors for e.g. electric vehicle (EV) drives are measured with Magcam’s Rotor or Combi Scanner.

Multipole rotary encoder ring magnet.jpg

Multipole Rotary Encoder Magnets

It is important in this application to measure and analyze if the zero crossings and pole peaks are equal.

Product finder

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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Events

03.12.2019 to 04.12.2019

Electric Drives Production Conference EDPC 2019

Esslingen Germany

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