FAQ

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What is an Ironless motor?

Ironless motors

Answer: In contrast to iron core motors, these motors feature an ironless coil unit, so there is no attraction force or cogging between the coil unit and the magnet track. This is what gives ironless motors their light weight, superior precision, a linear force constant and extremely dynamic velocity, acceleration and deceleration. Continuous force ranges from 10N all the way up to 846N with peak force of up to 4200N.

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Where does the name Ironless come from?

Ironless motors

Answer: Ironless linear motors are constructed, as their name suggests, without iron in the primary part (coil unit). The coils of the primary are embedded in a nonmagnetic core, and the secondary is typically u-shaped, with two magnet plates facing each other (also called a magnet yoke). The ironless coil unit moves in the space between the plates.

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Why choose a Ironless motor?

Ironless motors

Answer: The absence of iron in the coil unit provides several advantages over Iron Core linear motors. First, when an ironless linear motor is integrated into a linear motor system, the supporting bearings do not have to withstand attractive forces between the primary and secondary parts. The relatively low forces on the bearings result in a much longer bearing life.

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What are typical applications for Ironless motors?

Ironless motors

Answer: Individual Ironless motors within one series and with the same motor constant can be coupled. This can be done on two separate magnet tracks for gantry type applications or on a single magnet track to yield more force. This last option is especially interesting for cost reduction in long stroke applications. By coupling two coils a smaller series coil and magnet yoke can be used.

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News, events & insights

Powerhouse in flat design

Tecnotion introduces a new series of torque motors at the SPS Smart Production Solutions fair. The QTL-A… Read more

Direct Drive Motor Selection & Simulation Tool

Tecnotion launched its new online simulation tool. This new online tool replaces our offline tool. With… Read more