Multipole Ring Magnet | Custom Magnetic Solutions - Sen Long Magnetic Technologies

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Multi-pole Magnet Ring

Multi-pole magnetic rings typically consist of rubber magnets assembled on metal brackets with a hollow shape (thickness 0.6mm) as the magnetic assembly;

The rubber magnet part is magnetized, typically in the form of two rows of magnetic tracks with different pole pairs (combinations of N and S poles).;

Multi-pole magnetic rings need to be used together with magnetic encoder chips, enabling the detection of absolute angles and rotational speed. For magnetic encoder chips, we recommend using iC-Haus' iC-MU series products.

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Multi-pole Magnet Ring Advantages

Light and thin: saving equipment space, compared with other companies: about 1/10 of the weight can be achieved;
Excellent environmental adaptability: adapt to harsh environments such as dust, vibration, high temperature, oil mist, etc.;
Hollow Large Diameter: Suitable for the large diameter of hollow shafts, allowing internal wiring within the hollow shafts of robot joints.
Selectable Measurement Output Modes: Compatible with the iC-MU series products, offering the option to choose between incremental or absolute measurement output modes;
High Resolution: When used with the iC-MU series products, in the case of 64 pole logarithms, angles can be measured up to 20 bits (1,048,576 divisions per revolution).

Multi-pole Magnet Ring Application Fields

Mainly used for the measurement of robot joint’s rotation angle and the motor’s rotation angle

: Industrial Automation

Absolute Angle Measurement

The iC-MU series products are equipped with built-in sensor detection units 1 and 2, each of which detects a corresponding magnetic track on the magnetic ring. When the magnetic ring rotates one circle, these two detection units detect a 360° phase difference in the magnetic field generated.