Miki Pulley’s Magnetic Couplings transmit torque from one shaft to another using a magnetic field rather than a mechanical connection. These Magnetic Couplings are another new class of power transmission solutions from Miki Pulley. The coupling design incorporates rare earth neodymium magnets in the assembly to transmit torque. This model simply transmits torque by pairing opposite magnetic poles via the input and output hubs, without physical engagement.
These magnetic couplings have an intended engineered torque limit at a specific air gap. The transmittable maximum torque may be adjusted by increasing / decreasing distance between coupling hubs. Depending on model, size, and installed air-gap, the magnetic couplings’ upper torque limit may be exceeded without mechanical damage. The hub simply slips to the next magnetic pole, without noise or mechanical wear. This magnetically engaged, physically separated coupling is an ideal torque limiting device.
The Magnetic Couplings non-contact design is clean and quiet operating with no vibration. It has a “softer” start/stop function compared to conventional, general purpose couplings. Applications include automation including certain types of assembly systems, pumps, compressors and transmissions in closed containers.
Basic Miki Pulley Magnetic Coupling specifications are:
•4 different models in multiple sizes available
•Torque: 2.66 in-lbs. to 1610 in-lbs. (0.3 Nm to 182 Nm)
•Bore size range: 8 mm - 55 mm on butt shaft configurations
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