Magnet wire is inexpensively available in a variety of gauges, and the integral insulation allows wires to be packed more densely than possible in flex circuit board manufacturing. For instance, in the planar lorentz force actuators below, the 80 micron copper wire has 10 micron insulation thickness, and so is packed with 20 micron spacing.
Magnet wire is inexpensively available in a variety of gauges, and the integral insulation allows wires to be packed more densely than possible in flex circuit board manufacturing. For instance, in the planar lorentz force actuators below, the 80 micron copper wire has 10 micron insulation thickness, and so is packed with 20 micron spacing. The coils can be laminated to a variety of substrates including polymer films like Kapton and PET, as well as composite prepregs like Carbon, Fiberglass, etc.
Three phase actuators in Y and Delta configurations:
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Planar magnetic speakers:
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plotting speakers:
plotting:
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Three phase actuators in Y and Delta configurations:
driving:
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The head is designed to press the wire down with as little friction as possible, while constraining the wire position as close to the application point as possible without interfering with already-placed wires. It mounts kinematically to the tool head suspension via a dowel pin and four ball-ended 100 TPI micro-adjustment screws, allowing the wire application point to be precisely aligned with the tool's rotational axis.
